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| author | Allen Byrne <50328838+byrnHDF@users.noreply.github.com> | 2023-11-27 21:30:15 (GMT) |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2023-11-27 21:30:15 (GMT) |
| commit | fc88fcde1091cf12c1e88c783a14ee0f1cffe31c (patch) | |
| tree | 91b88b62cd30ed37ee9227e43989e95035be43c3 /HDF5Examples/JAVA/H5T | |
| parent | a067bf71f57723d2dfca7dfe2ffd9ea502eccd4f (diff) | |
| download | hdf5-fc88fcde1091cf12c1e88c783a14ee0f1cffe31c.zip hdf5-fc88fcde1091cf12c1e88c783a14ee0f1cffe31c.tar.gz hdf5-fc88fcde1091cf12c1e88c783a14ee0f1cffe31c.tar.bz2 | |
Develop merge examples (#3851)
* Merge examples repo into library
* Change grepTest to be more fault-tolerant
* Update examples macro file
* Exclude all Fortran examples from doxygen
Diffstat (limited to 'HDF5Examples/JAVA/H5T')
46 files changed, 7522 insertions, 0 deletions
diff --git a/HDF5Examples/JAVA/H5T/110/H5Ex_T_ObjectReference.java b/HDF5Examples/JAVA/H5T/110/H5Ex_T_ObjectReference.java new file mode 100644 index 0000000..0e147d8 --- /dev/null +++ b/HDF5Examples/JAVA/H5T/110/H5Ex_T_ObjectReference.java @@ -0,0 +1,341 @@ +/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * + * Copyright by The HDF Group. * + * All rights reserved. * + * * + * This file is part of HDF5. The full HDF5 copyright notice, including * + * terms governing use, modification, and redistribution, is contained in * + * the COPYING file, which can be found at the root of the source code * + * distribution tree, or in https://www.hdfgroup.org/licenses. * + * If you do not have access to either file, you may request a copy from * + * help@hdfgroup.org. * + * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */ + +/************************************************************ + This example shows how to read and write object references + to a dataset. The program first creates objects in the + file and writes references to those objects to a dataset + with a dataspace of DIM0, then closes the file. Next, it + reopens the file, dereferences the references, and outputs + the names of their targets to the screen. + ************************************************************/ + +import java.util.EnumSet; +import java.util.HashMap; +import java.util.Map; + +import hdf.hdf5lib.H5; +import hdf.hdf5lib.HDF5Constants; + +public class H5Ex_T_ObjectReference { + private static String FILENAME = "H5Ex_T_ObjectReference.h5"; + private static String DATASETNAME = "DS1"; + private static String DATASETNAME2 = "DS2"; + private static String GROUPNAME = "G1"; + private static final int DIM0 = 2; + private static final int RANK = 1; + + // Values for the status of space allocation + enum H5G_obj { + H5G_UNKNOWN(HDF5Constants.H5O_TYPE_UNKNOWN), /* Unknown object type */ + H5G_GROUP(HDF5Constants.H5O_TYPE_GROUP), /* Object is a group */ + H5G_DATASET(HDF5Constants.H5O_TYPE_DATASET), /* Object is a dataset */ + H5G_TYPE(HDF5Constants.H5O_TYPE_NAMED_DATATYPE); /* Object is a named data type */ + private static final Map<Integer, H5G_obj> lookup = new HashMap<Integer, H5G_obj>(); + + static + { + for (H5G_obj s : EnumSet.allOf(H5G_obj.class)) + lookup.put(s.getCode(), s); + } + + private int code; + + H5G_obj(int layout_type) { this.code = layout_type; } + + public int getCode() { return this.code; } + + public static H5G_obj get(int code) { return lookup.get(code); } + } + + private static void writeObjRef() + { + long file_id = HDF5Constants.H5I_INVALID_HID; + long dataspace_id = HDF5Constants.H5I_INVALID_HID; + long filespace_id = HDF5Constants.H5I_INVALID_HID; + long group_id = HDF5Constants.H5I_INVALID_HID; + long dataset_id = HDF5Constants.H5I_INVALID_HID; + long[] dims = {DIM0}; + byte[][] dset_data = new byte[DIM0][8]; + + // Create a new file using default properties. + try { + file_id = H5.H5Fcreate(FILENAME, HDF5Constants.H5F_ACC_TRUNC, HDF5Constants.H5P_DEFAULT, + HDF5Constants.H5P_DEFAULT); + } + catch (Exception e) { + e.printStackTrace(); + } + + // Create dataset with a scalar dataspace. + try { + dataspace_id = H5.H5Screate(HDF5Constants.H5S_SCALAR); + if ((file_id >= 0) && (dataspace_id >= 0)) { + dataset_id = H5.H5Dcreate(file_id, DATASETNAME2, HDF5Constants.H5T_STD_I32LE, dataspace_id, + HDF5Constants.H5P_DEFAULT, HDF5Constants.H5P_DEFAULT, + HDF5Constants.H5P_DEFAULT); + if (dataset_id >= 0) + H5.H5Dclose(dataset_id); + dataset_id = HDF5Constants.H5I_INVALID_HID; + H5.H5Sclose(dataspace_id); + dataspace_id = HDF5Constants.H5I_INVALID_HID; + } + } + catch (Exception e) { + e.printStackTrace(); + } + + // Create a group in the file. + try { + if (file_id >= 0) + group_id = H5.H5Gcreate(file_id, GROUPNAME, HDF5Constants.H5P_DEFAULT, + HDF5Constants.H5P_DEFAULT, HDF5Constants.H5P_DEFAULT); + if (group_id >= 0) + H5.H5Gclose(group_id); + group_id = HDF5Constants.H5I_INVALID_HID; + } + catch (Exception e) { + e.printStackTrace(); + } + + // Create references to the previously created objects. Passing -1 + // as space_id causes this parameter to be ignored. Other values + // besides valid dataspaces result in an error. + try { + if (file_id >= 0) { + byte rbuf0[] = H5.H5Rcreate(file_id, GROUPNAME, HDF5Constants.H5R_OBJECT, -1); + byte rbuf1[] = H5.H5Rcreate(file_id, DATASETNAME2, HDF5Constants.H5R_OBJECT, -1); + for (int indx = 0; indx < 8; indx++) { + dset_data[0][indx] = rbuf0[indx]; + dset_data[1][indx] = rbuf1[indx]; + } + } + } + catch (Exception e) { + e.printStackTrace(); + } + + // Create dataspace. Setting maximum size to NULL sets the maximum + // size to be the current size. + try { + filespace_id = H5.H5Screate_simple(RANK, dims, null); + } + catch (Exception e) { + e.printStackTrace(); + } + + // Create the dataset. + try { + if ((file_id >= 0) && (filespace_id >= 0)) + dataset_id = H5.H5Dcreate(file_id, DATASETNAME, HDF5Constants.H5T_STD_REF_OBJ, filespace_id, + HDF5Constants.H5P_DEFAULT, HDF5Constants.H5P_DEFAULT, + HDF5Constants.H5P_DEFAULT); + } + catch (Exception e) { + e.printStackTrace(); + } + + // Write the object references to it. + try { + if (dataset_id >= 0) + H5.H5Dwrite(dataset_id, HDF5Constants.H5T_STD_REF_OBJ, HDF5Constants.H5S_ALL, + HDF5Constants.H5S_ALL, HDF5Constants.H5P_DEFAULT, dset_data); + } + catch (Exception e) { + e.printStackTrace(); + } + + // End access to the dataset and release resources used by it. + + try { + if (dataset_id >= 0) + H5.H5Dclose(dataset_id); + } + catch (Exception e) { + e.printStackTrace(); + } + + try { + if (filespace_id >= 0) + H5.H5Sclose(filespace_id); + } + catch (Exception e) { + e.printStackTrace(); + } + + // Close the file. + try { + if (file_id >= 0) + H5.H5Fclose(file_id); + } + catch (Exception e) { + e.printStackTrace(); + } + } + + private static void readObjRef() + { + long file_id = HDF5Constants.H5I_INVALID_HID; + long dataset_id = HDF5Constants.H5I_INVALID_HID; + long dataspace_id = HDF5Constants.H5I_INVALID_HID; + int object_type = -1; + long object_id = HDF5Constants.H5I_INVALID_HID; + long[] dims = {DIM0}; + byte[][] dset_data; + + // Open an existing file. + try { + file_id = H5.H5Fopen(FILENAME, HDF5Constants.H5F_ACC_RDONLY, HDF5Constants.H5P_DEFAULT); + } + catch (Exception e) { + e.printStackTrace(); + } + + // Open an existing dataset. + try { + if (file_id >= 0) + dataset_id = H5.H5Dopen(file_id, DATASETNAME, HDF5Constants.H5P_DEFAULT); + } + catch (Exception e) { + e.printStackTrace(); + } + + // Get dataspace and allocate memory for read buffer. + try { + if (dataset_id >= 0) + dataspace_id = H5.H5Dget_space(dataset_id); + } + catch (Exception e) { + e.printStackTrace(); + } + + try { + if (dataspace_id >= 0) + H5.H5Sget_simple_extent_dims(dataspace_id, dims, null); + } + catch (Exception e) { + e.printStackTrace(); + } + + // Allocate array of pointers to two-dimensional arrays (the + // elements of the dataset. + dset_data = new byte[(int)dims[0]][8]; + + // Read the data using the default properties. + try { + if (dataset_id >= 0) { + H5.H5Dread(dataset_id, HDF5Constants.H5T_STD_REF_OBJ, HDF5Constants.H5S_ALL, + HDF5Constants.H5S_ALL, HDF5Constants.H5P_DEFAULT, dset_data); + } + } + catch (Exception e) { + e.printStackTrace(); + } + + // Output the data to the screen. + for (int indx = 0; indx < dims[0]; indx++) { + System.out.println(DATASETNAME + "[" + indx + "]:"); + System.out.print(" ->"); + // Open the referenced object, get its name and type. + try { + if (dataset_id >= 0) { + object_id = H5.H5Rdereference(dataset_id, HDF5Constants.H5P_DEFAULT, + HDF5Constants.H5R_OBJECT, dset_data[indx]); + object_type = H5.H5Rget_obj_type(dataset_id, HDF5Constants.H5R_OBJECT, dset_data[indx]); + } + String obj_name = null; + if (object_type >= 0) { + // Get the length of the name and retrieve the name. + obj_name = H5.H5Iget_name(object_id); + } + if ((object_id >= 0) && (object_type >= -1)) { + switch (H5G_obj.get(object_type)) { + case H5G_GROUP: + System.out.print("H5G_GROUP"); + try { + if (object_id >= 0) + H5.H5Gclose(object_id); + } + catch (Exception e) { + e.printStackTrace(); + } + break; + case H5G_DATASET: + System.out.print("H5G_DATASET"); + try { + if (object_id >= 0) + H5.H5Dclose(object_id); + } + catch (Exception e) { + e.printStackTrace(); + } + break; + case H5G_TYPE: + System.out.print("H5G_TYPE"); + try { + if (object_id >= 0) + H5.H5Tclose(object_id); + } + catch (Exception e) { + e.printStackTrace(); + } + break; + default: + System.out.print("UNHANDLED"); + } + } + // Print the name. + System.out.println(": " + obj_name); + } + catch (Exception e) { + e.printStackTrace(); + } + } + + // End access to the dataset and release resources used by it. + try { + if (dataspace_id >= 0) + H5.H5Sclose(dataspace_id); + } + catch (Exception e) { + e.printStackTrace(); + } + + try { + if (dataset_id >= 0) + H5.H5Dclose(dataset_id); + } + catch (Exception e) { + e.printStackTrace(); + } + + // Close the file. + try { + if (file_id >= 0) + H5.H5Fclose(file_id); + } + catch (Exception e) { + e.printStackTrace(); + } + } + + public static void main(String[] args) + { + // Check if gzip compression is available and can be used for both + // compression and decompression. Normally we do not perform error + // checking in these examples for the sake of clarity, but in this + // case we will make an exception because this filter is an + // optional part of the hdf5 library. + H5Ex_T_ObjectReference.writeObjRef(); + H5Ex_T_ObjectReference.readObjRef(); + } +} diff --git a/HDF5Examples/JAVA/H5T/110/H5Ex_T_ObjectReferenceAttribute.java b/HDF5Examples/JAVA/H5T/110/H5Ex_T_ObjectReferenceAttribute.java new file mode 100644 index 0000000..9818dba --- /dev/null +++ b/HDF5Examples/JAVA/H5T/110/H5Ex_T_ObjectReferenceAttribute.java @@ -0,0 +1,381 @@ +/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * + * Copyright by The HDF Group. * + * All rights reserved. * + * * + * This file is part of HDF5. The full HDF5 copyright notice, including * + * terms governing use, modification, and redistribution, is contained in * + * the COPYING file, which can be found at the root of the source code * + * distribution tree, or in https://www.hdfgroup.org/licenses. * + * If you do not have access to either file, you may request a copy from * + * help@hdfgroup.org. * + * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */ + +/************************************************************ + This example shows how to read and write object references + to an attribute. The program first creates objects in the + file and writes references to those objects to an + attribute with a dataspace of DIM0, then closes the file. + Next, it reopens the file, dereferences the references, + and outputs the names of their targets to the screen. + ************************************************************/ + +import java.util.EnumSet; +import java.util.HashMap; +import java.util.Map; + +import hdf.hdf5lib.H5; +import hdf.hdf5lib.HDF5Constants; + +public class H5Ex_T_ObjectReferenceAttribute { + private static String FILENAME = "H5Ex_T_ObjectReferenceAttribute.h5"; + private static String DATASETNAME = "DS1"; + private static String ATTRIBUTENAME = "A1"; + private static String DATASETNAME2 = "DS2"; + private static String GROUPNAME = "G1"; + private static final int DIM0 = 2; + private static final int RANK = 1; + + // Values for the status of space allocation + enum H5G_obj { + H5G_UNKNOWN(HDF5Constants.H5O_TYPE_UNKNOWN), /* Unknown object type */ + H5G_GROUP(HDF5Constants.H5O_TYPE_GROUP), /* Object is a group */ + H5G_DATASET(HDF5Constants.H5O_TYPE_DATASET), /* Object is a dataset */ + H5G_TYPE(HDF5Constants.H5O_TYPE_NAMED_DATATYPE); /* Object is a named data type */ + private static final Map<Integer, H5G_obj> lookup = new HashMap<Integer, H5G_obj>(); + + static + { + for (H5G_obj s : EnumSet.allOf(H5G_obj.class)) + lookup.put(s.getCode(), s); + } + + private int code; + + H5G_obj(int layout_type) { this.code = layout_type; } + + public int getCode() { return this.code; } + + public static H5G_obj get(int code) { return lookup.get(code); } + } + + private static void CreateDataset() + { + long file_id = HDF5Constants.H5I_INVALID_HID; + long dataspace_id = HDF5Constants.H5I_INVALID_HID; + long group_id = HDF5Constants.H5I_INVALID_HID; + long dataset_id = HDF5Constants.H5I_INVALID_HID; + long attribute_id = HDF5Constants.H5I_INVALID_HID; + long[] dims = {DIM0}; + byte[][] dset_data = new byte[DIM0][8]; + + // Create a new file using default properties. + try { + file_id = H5.H5Fcreate(FILENAME, HDF5Constants.H5F_ACC_TRUNC, HDF5Constants.H5P_DEFAULT, + HDF5Constants.H5P_DEFAULT); + } + catch (Exception e) { + e.printStackTrace(); + } + + // Create dataset with a scalar dataspace. + try { + dataspace_id = H5.H5Screate(HDF5Constants.H5S_SCALAR); + if (dataspace_id >= 0) { + dataset_id = H5.H5Dcreate(file_id, DATASETNAME2, HDF5Constants.H5T_STD_I32LE, dataspace_id, + HDF5Constants.H5P_DEFAULT, HDF5Constants.H5P_DEFAULT, + HDF5Constants.H5P_DEFAULT); + if (dataset_id >= 0) + H5.H5Dclose(dataset_id); + dataset_id = HDF5Constants.H5I_INVALID_HID; + H5.H5Sclose(dataspace_id); + dataspace_id = HDF5Constants.H5I_INVALID_HID; + } + } + catch (Exception e) { + e.printStackTrace(); + } + + // Create a group in the file. + try { + if (file_id >= 0) + group_id = H5.H5Gcreate(file_id, GROUPNAME, HDF5Constants.H5P_DEFAULT, + HDF5Constants.H5P_DEFAULT, HDF5Constants.H5P_DEFAULT); + if (group_id >= 0) + H5.H5Gclose(group_id); + group_id = HDF5Constants.H5I_INVALID_HID; + } + catch (Exception e) { + e.printStackTrace(); + } + + // Create references to the previously created objects. Passing -1 + // as space_id causes this parameter to be ignored. Other values + // besides valid dataspaces result in an error. + try { + if (file_id >= 0) { + byte rbuf0[] = H5.H5Rcreate(file_id, GROUPNAME, HDF5Constants.H5R_OBJECT, -1); + byte rbuf1[] = H5.H5Rcreate(file_id, DATASETNAME2, HDF5Constants.H5R_OBJECT, -1); + for (int indx = 0; indx < 8; indx++) { + dset_data[0][indx] = rbuf0[indx]; + dset_data[1][indx] = rbuf1[indx]; + } + } + } + catch (Exception e) { + e.printStackTrace(); + } + + // Create dataset with a scalar dataspace to serve as the parent + // for the attribute. + try { + dataspace_id = H5.H5Screate(HDF5Constants.H5S_SCALAR); + if (dataspace_id >= 0) { + dataset_id = H5.H5Dcreate(file_id, DATASETNAME, HDF5Constants.H5T_STD_I32LE, dataspace_id, + HDF5Constants.H5P_DEFAULT, HDF5Constants.H5P_DEFAULT, + HDF5Constants.H5P_DEFAULT); + H5.H5Sclose(dataspace_id); + dataspace_id = HDF5Constants.H5I_INVALID_HID; + } + } + catch (Exception e) { + e.printStackTrace(); + } + + // Create dataspace. Setting maximum size to NULL sets the maximum + // size to be the current size. + try { + dataspace_id = H5.H5Screate_simple(RANK, dims, null); + } + catch (Exception e) { + e.printStackTrace(); + } + + // Create the attribute and write the array data to it. + try { + if ((dataset_id >= 0) && (dataspace_id >= 0)) + attribute_id = + H5.H5Acreate(dataset_id, ATTRIBUTENAME, HDF5Constants.H5T_STD_REF_OBJ, dataspace_id, + HDF5Constants.H5P_DEFAULT, HDF5Constants.H5P_DEFAULT); + } + catch (Exception e) { + e.printStackTrace(); + } + + // Write the dataset. + try { + if (attribute_id >= 0) + H5.H5Awrite(attribute_id, HDF5Constants.H5T_STD_REF_OBJ, dset_data); + } + catch (Exception e) { + e.printStackTrace(); + } + + // End access to the dataset and release resources used by it. + try { + if (attribute_id >= 0) + H5.H5Aclose(attribute_id); + } + catch (Exception e) { + e.printStackTrace(); + } + + try { + if (dataset_id >= 0) + H5.H5Dclose(dataset_id); + } + catch (Exception e) { + e.printStackTrace(); + } + + // Terminate access to the data space. + try { + if (dataspace_id >= 0) + H5.H5Sclose(dataspace_id); + } + catch (Exception e) { + e.printStackTrace(); + } + + // Close the file. + try { + if (file_id >= 0) + H5.H5Fclose(file_id); + } + catch (Exception e) { + e.printStackTrace(); + } + } + + private static void ReadDataset() + { + long file_id = HDF5Constants.H5I_INVALID_HID; + long dataspace_id = HDF5Constants.H5I_INVALID_HID; + long dataset_id = HDF5Constants.H5I_INVALID_HID; + long attribute_id = HDF5Constants.H5I_INVALID_HID; + int object_type = -1; + long object_id = HDF5Constants.H5I_INVALID_HID; + long[] dims = {DIM0}; + byte[][] dset_data; + + // Open an existing file. + try { + file_id = H5.H5Fopen(FILENAME, HDF5Constants.H5F_ACC_RDONLY, HDF5Constants.H5P_DEFAULT); + } + catch (Exception e) { + e.printStackTrace(); + } + + // Open an existing dataset. + try { + if (file_id >= 0) + dataset_id = H5.H5Dopen(file_id, DATASETNAME, HDF5Constants.H5P_DEFAULT); + } + catch (Exception e) { + e.printStackTrace(); + } + + try { + if (dataset_id >= 0) + attribute_id = H5.H5Aopen_by_name(dataset_id, ".", ATTRIBUTENAME, HDF5Constants.H5P_DEFAULT, + HDF5Constants.H5P_DEFAULT); + } + catch (Exception e) { + e.printStackTrace(); + } + + // Get dataspace and allocate memory for read buffer. + try { + if (attribute_id >= 0) + dataspace_id = H5.H5Aget_space(attribute_id); + } + catch (Exception e) { + e.printStackTrace(); + } + + try { + if (dataspace_id >= 0) + H5.H5Sget_simple_extent_dims(dataspace_id, dims, null); + } + catch (Exception e) { + e.printStackTrace(); + } + + // Allocate array of pointers to two-dimensional arrays (the + // elements of the dataset. + dset_data = new byte[(int)dims[0]][8]; + + // Read data. + try { + if (attribute_id >= 0) + H5.H5Aread(attribute_id, HDF5Constants.H5T_STD_REF_OBJ, dset_data); + } + catch (Exception e) { + e.printStackTrace(); + } + + // Output the data to the screen. + for (int indx = 0; indx < dims[0]; indx++) { + System.out.println(ATTRIBUTENAME + "[" + indx + "]:"); + System.out.print(" ->"); + // Open the referenced object, get its name and type. + try { + if (dataset_id >= 0) { + object_id = H5.H5Rdereference(dataset_id, HDF5Constants.H5P_DEFAULT, + HDF5Constants.H5R_OBJECT, dset_data[indx]); + object_type = H5.H5Rget_obj_type(dataset_id, HDF5Constants.H5R_OBJECT, dset_data[indx]); + } + String obj_name = null; + if (object_type >= 0) { + // Get the length of the name and retrieve the name. + obj_name = H5.H5Iget_name(object_id); + } + if ((object_id >= 0) && (object_type >= -1)) { + switch (H5G_obj.get(object_type)) { + case H5G_GROUP: + System.out.print("H5G_GROUP"); + try { + if (object_id >= 0) + H5.H5Gclose(object_id); + } + catch (Exception e) { + e.printStackTrace(); + } + break; + case H5G_DATASET: + System.out.print("H5G_DATASET"); + try { + if (object_id >= 0) + H5.H5Dclose(object_id); + } + catch (Exception e) { + e.printStackTrace(); + } + break; + case H5G_TYPE: + System.out.print("H5G_TYPE"); + try { + if (object_id >= 0) + H5.H5Tclose(object_id); + } + catch (Exception e) { + e.printStackTrace(); + } + break; + default: + System.out.print("UNHANDLED"); + } + } + // Print the name. + System.out.println(": " + obj_name); + } + catch (Exception e) { + e.printStackTrace(); + } + } + + // End access to the dataset and release resources used by it. + try { + if (attribute_id >= 0) + H5.H5Aclose(attribute_id); + } + catch (Exception e) { + e.printStackTrace(); + } + + try { + if (dataset_id >= 0) + H5.H5Dclose(dataset_id); + } + catch (Exception e) { + e.printStackTrace(); + } + + // Terminate access to the data space. + try { + if (dataspace_id >= 0) + H5.H5Sclose(dataspace_id); + } + catch (Exception e) { + e.printStackTrace(); + } + + // Close the file. + try { + if (file_id >= 0) + H5.H5Fclose(file_id); + } + catch (Exception e) { + e.printStackTrace(); + } + } + + public static void main(String[] args) + { + H5Ex_T_ObjectReferenceAttribute.CreateDataset(); + // Now we begin the read section of this example. Here we assume + // the dataset and array have the same name and rank, but can have + // any size. Therefore we must allocate a new array to read in + // data using malloc(). + H5Ex_T_ObjectReferenceAttribute.ReadDataset(); + } +} diff --git a/HDF5Examples/JAVA/H5T/CMakeLists.txt b/HDF5Examples/JAVA/H5T/CMakeLists.txt new file mode 100644 index 0000000..a779a53 --- /dev/null +++ b/HDF5Examples/JAVA/H5T/CMakeLists.txt @@ -0,0 +1,92 @@ +cmake_minimum_required (VERSION 3.18) +project (HDF5Examples_JAVA_H5T Java) + +set (CMAKE_VERBOSE_MAKEFILE 1) + +INCLUDE_DIRECTORIES ( + ${HDFJAVA_LIB_DIR} + ${JAVA_INCLUDE_PATH} + ${JAVA_INCLUDE_PATH2} +) + +#----------------------------------------------------------------------------- +# Define Sources +#----------------------------------------------------------------------------- +include (Java_sourcefiles.cmake) + +if (WIN32) + set (CMAKE_JAVA_INCLUDE_FLAG_SEP ";") +else () + set (CMAKE_JAVA_INCLUDE_FLAG_SEP ":") +endif () + +set (CMAKE_JAVA_CLASSPATH ".") +foreach (CMAKE_INCLUDE_PATH ${CMAKE_JAVA_INCLUDE_PATH}) + set (CMAKE_JAVA_CLASSPATH "${CMAKE_JAVA_CLASSPATH}${CMAKE_JAVA_INCLUDE_FLAG_SEP}${CMAKE_INCLUDE_PATH}") +endforeach () + +foreach (HCP_JAR ${CMAKE_JAVA_INCLUDE_PATH}) + get_filename_component (_HCP_FILE ${HCP_JAR} NAME) + set (HDFJAVA_CLASSJARS "${_HCP_FILE} ${HDFJAVA_CLASSJARS}") +endforeach () + +foreach (example ${HDF_JAVA_EXAMPLES}) + get_filename_component (example_name ${example} NAME_WE) + file (WRITE ${PROJECT_BINARY_DIR}/Manifest.txt + "Main-Class: ${example_name} +Class-Path: ${HDFJAVA_CLASSJARS} +" + ) + add_jar (${EXAMPLE_VARNAME}_${example_name} SOURCES ${example} MANIFEST ${PROJECT_BINARY_DIR}/Manifest.txt) + get_target_property (${EXAMPLE_VARNAME}_${example_name}_JAR_FILE ${EXAMPLE_VARNAME}_${example_name} JAR_FILE) +endforeach () + +if (H5EX_BUILD_TESTING) + macro (ADD_H5_TEST resultfile resultcode) + add_test ( + NAME ${EXAMPLE_VARNAME}_jnative-h5-${resultfile} + COMMAND "${CMAKE_COMMAND}" + -D "TEST_TESTER=${CMAKE_Java_RUNTIME}" + -D "TEST_PROGRAM=${resultfile}" + -D "TEST_ARGS:STRING=${ARGN}" + -D "TEST_CLASSPATH:STRING=${CMAKE_JAVA_CLASSPATH}${CMAKE_JAVA_INCLUDE_FLAG_SEP}${${EXAMPLE_VARNAME}_${resultfile}_JAR_FILE}" + -D "TEST_LIBRARY_DIRECTORY=${CMAKE_TEST_LIB_DIRECTORY}" + -D "TEST_FOLDER=${PROJECT_BINARY_DIR}" + -D "TEST_OUTPUT=${PROJECT_BINARY_DIR}/${resultfile}.out" + -D "TEST_REFERENCE=${resultfile}.txt" + -D "TEST_EXPECT=${resultcode}" + -D "TEST_SKIP_COMPARE=TRUE" + -P "${${EXAMPLE_PACKAGE_NAME}_RESOURCES_DIR}/jrunTest.cmake" + ) + if (NOT "${last_test}" STREQUAL "") + set_tests_properties (${EXAMPLE_VARNAME}_jnative-h5-${resultfile} PROPERTIES DEPENDS ${last_test}) + endif () + set (last_test "${EXAMPLE_VARNAME}_jnative-h5-${resultfile}") + endmacro () + + foreach (example ${HDF_JAVA_EXAMPLES}) + get_filename_component (example_name ${example} NAME_WE) + add_test ( + NAME ${EXAMPLE_VARNAME}_jnative-h5-${example_name}-clearall-objects + COMMAND ${CMAKE_COMMAND} + -E remove + ${PROJECT_BINARY_DIR}/${example_name}.h5 + ${example_name}.out + ${example_name}.out.err + ) + if (NOT "${last_test}" STREQUAL "") + set_tests_properties (${EXAMPLE_VARNAME}_jnative-h5-${example_name}-clearall-objects PROPERTIES DEPENDS ${last_test}) + endif () + add_test ( + NAME ${EXAMPLE_VARNAME}_jnative-h5-${example_name}-copy-objects + COMMAND ${CMAKE_COMMAND} + -E copy_if_different + ${PROJECT_SOURCE_DIR}/tfiles/110/${example_name}.txt + ${PROJECT_BINARY_DIR}/${example_name}.txt + ) + set_tests_properties (${EXAMPLE_VARNAME}_jnative-h5-${example_name}-copy-objects PROPERTIES DEPENDS ${EXAMPLE_VARNAME}_jnative-h5-${example_name}-clearall-objects) + set (last_test "${EXAMPLE_VARNAME}_jnative-h5-${example_name}-copy-objects") + ADD_H5_TEST (${example_name} 0) + endforeach () + +endif () diff --git a/HDF5Examples/JAVA/H5T/H5Ex_T_Array.java b/HDF5Examples/JAVA/H5T/H5Ex_T_Array.java new file mode 100644 index 0000000..489367b --- /dev/null +++ b/HDF5Examples/JAVA/H5T/H5Ex_T_Array.java @@ -0,0 +1,278 @@ +/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * + * Copyright by The HDF Group. * + * All rights reserved. * + * * + * This file is part of HDF5. The full HDF5 copyright notice, including * + * terms governing use, modification, and redistribution, is contained in * + * the COPYING file, which can be found at the root of the source code * + * distribution tree, or in https://www.hdfgroup.org/licenses. * + * If you do not have access to either file, you may request a copy from * + * help@hdfgroup.org. * + * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */ + +/************************************************************ + This example shows how to read and write array datatypes + to a dataset. The program first writes integers arrays of + dimension ADIM0xADIM1 to a dataset with a dataspace of + DIM0, then closes the file. Next, it reopens the file, + reads back the data, and outputs it to the screen. + ************************************************************/ + +import hdf.hdf5lib.H5; +import hdf.hdf5lib.HDF5Constants; + +public class H5Ex_T_Array { + private static String FILENAME = "H5Ex_T_Array.h5"; + private static String DATASETNAME = "DS1"; + private static final int DIM0 = 4; + private static final int ADIM0 = 3; + private static final int ADIM1 = 5; + private static final int RANK = 1; + private static final int NDIMS = 2; + + private static void CreateDataset() + { + long file_id = HDF5Constants.H5I_INVALID_HID; + long filetype_id = HDF5Constants.H5I_INVALID_HID; + long memtype_id = HDF5Constants.H5I_INVALID_HID; + long dataspace_id = HDF5Constants.H5I_INVALID_HID; + long dataset_id = HDF5Constants.H5I_INVALID_HID; + long[] dims = {DIM0}; + long[] adims = {ADIM0, ADIM1}; + int[][][] dset_data = new int[DIM0][ADIM0][ADIM1]; + + // Initialize data. indx is the element in the dataspace, jndx and kndx the + // elements within the array datatype. + for (int indx = 0; indx < DIM0; indx++) + for (int jndx = 0; jndx < ADIM0; jndx++) + for (int kndx = 0; kndx < ADIM1; kndx++) + dset_data[indx][jndx][kndx] = indx * jndx - jndx * kndx + indx * kndx; + + // Create a new file using default properties. + try { + file_id = H5.H5Fcreate(FILENAME, HDF5Constants.H5F_ACC_TRUNC, HDF5Constants.H5P_DEFAULT, + HDF5Constants.H5P_DEFAULT); + } + catch (Exception e) { + e.printStackTrace(); + } + + // Create array datatypes for file. + try { + filetype_id = H5.H5Tarray_create(HDF5Constants.H5T_STD_I64LE, NDIMS, adims); + } + catch (Exception e) { + e.printStackTrace(); + } + + // Create array datatypes for memory. + try { + memtype_id = H5.H5Tarray_create(HDF5Constants.H5T_NATIVE_INT, NDIMS, adims); + } + catch (Exception e) { + e.printStackTrace(); + } + + // Create dataspace. Setting maximum size to NULL sets the maximum + // size to be the current size. + try { + dataspace_id = H5.H5Screate_simple(RANK, dims, null); + } + catch (Exception e) { + e.printStackTrace(); + } + + // Create the dataset. + try { + if ((file_id >= 0) && (dataspace_id >= 0) && (filetype_id >= 0)) + dataset_id = + H5.H5Dcreate(file_id, DATASETNAME, filetype_id, dataspace_id, HDF5Constants.H5P_DEFAULT, + HDF5Constants.H5P_DEFAULT, HDF5Constants.H5P_DEFAULT); + } + catch (Exception e) { + e.printStackTrace(); + } + + // Write the dataset. + try { + if ((dataset_id >= 0) && (memtype_id >= 0)) + H5.H5Dwrite(dataset_id, memtype_id, HDF5Constants.H5S_ALL, HDF5Constants.H5S_ALL, + HDF5Constants.H5P_DEFAULT, dset_data); + } + catch (Exception e) { + e.printStackTrace(); + } + + // End access to the dataset and release resources used by it. + try { + if (dataset_id >= 0) + H5.H5Dclose(dataset_id); + } + catch (Exception e) { + e.printStackTrace(); + } + + // Terminate access to the data space. + try { + if (dataspace_id >= 0) + H5.H5Sclose(dataspace_id); + } + catch (Exception e) { + e.printStackTrace(); + } + + // Terminate access to the file type. + try { + if (filetype_id >= 0) + H5.H5Tclose(filetype_id); + } + catch (Exception e) { + e.printStackTrace(); + } + + // Terminate access to the mem type. + try { + if (memtype_id >= 0) + H5.H5Tclose(memtype_id); + } + catch (Exception e) { + e.printStackTrace(); + } + + // Close the file. + try { + if (file_id >= 0) + H5.H5Fclose(file_id); + } + catch (Exception e) { + e.printStackTrace(); + } + } + + private static void ReadDataset() + { + long file_id = HDF5Constants.H5I_INVALID_HID; + long filetype_id = HDF5Constants.H5I_INVALID_HID; + long memtype_id = HDF5Constants.H5I_INVALID_HID; + long dataset_id = HDF5Constants.H5I_INVALID_HID; + long[] dims = {DIM0}; + long[] adims = {ADIM0, ADIM1}; + int[][][] dset_data; + + // Open an existing file. + try { + file_id = H5.H5Fopen(FILENAME, HDF5Constants.H5F_ACC_RDONLY, HDF5Constants.H5P_DEFAULT); + } + catch (Exception e) { + e.printStackTrace(); + } + + // Open an existing dataset. + try { + if (file_id >= 0) + dataset_id = H5.H5Dopen(file_id, DATASETNAME, HDF5Constants.H5P_DEFAULT); + } + catch (Exception e) { + e.printStackTrace(); + } + + // Get the datatype. + try { + if (dataset_id >= 0) + filetype_id = H5.H5Dget_type(dataset_id); + } + catch (Exception e) { + e.printStackTrace(); + } + + // Get the datatype's dimensions. + try { + if (filetype_id >= 0) + H5.H5Tget_array_dims(filetype_id, adims); + } + catch (Exception e) { + e.printStackTrace(); + } + + // Allocate array of pointers to two-dimensional arrays (the + // elements of the dataset. + dset_data = new int[(int)dims[0]][(int)(adims[0])][(int)(adims[1])]; + + // Create array datatypes for memory. + try { + memtype_id = H5.H5Tarray_create(HDF5Constants.H5T_NATIVE_INT, 2, adims); + } + catch (Exception e) { + e.printStackTrace(); + } + + // Read data. + try { + if ((dataset_id >= 0) && (memtype_id >= 0)) + H5.H5Dread(dataset_id, memtype_id, HDF5Constants.H5S_ALL, HDF5Constants.H5S_ALL, + HDF5Constants.H5P_DEFAULT, dset_data); + } + catch (Exception e) { + e.printStackTrace(); + } + + // Output the data to the screen. + for (int indx = 0; indx < dims[0]; indx++) { + System.out.println(DATASETNAME + " [" + indx + "]:"); + for (int jndx = 0; jndx < adims[0]; jndx++) { + System.out.print(" ["); + for (int kndx = 0; kndx < adims[1]; kndx++) + System.out.print(dset_data[indx][jndx][kndx] + " "); + System.out.println("]"); + } + System.out.println(); + } + System.out.println(); + + // End access to the dataset and release resources used by it. + try { + if (dataset_id >= 0) + H5.H5Dclose(dataset_id); + } + catch (Exception e) { + e.printStackTrace(); + } + + // Terminate access to the file type. + try { + if (filetype_id >= 0) + H5.H5Tclose(filetype_id); + } + catch (Exception e) { + e.printStackTrace(); + } + + // Terminate access to the mem type. + try { + if (memtype_id >= 0) + H5.H5Tclose(memtype_id); + } + catch (Exception e) { + e.printStackTrace(); + } + + // Close the file. + try { + if (file_id >= 0) + H5.H5Fclose(file_id); + } + catch (Exception e) { + e.printStackTrace(); + } + } + + public static void main(String[] args) + { + H5Ex_T_Array.CreateDataset(); + // Now we begin the read section of this example. Here we assume + // the dataset and array have the same name and rank, but can have + // any size. Therefore we must allocate a new array to read in + // data using malloc(). + H5Ex_T_Array.ReadDataset(); + } +} diff --git a/HDF5Examples/JAVA/H5T/H5Ex_T_ArrayAttribute.java b/HDF5Examples/JAVA/H5T/H5Ex_T_ArrayAttribute.java new file mode 100644 index 0000000..9a2aca5 --- /dev/null +++ b/HDF5Examples/JAVA/H5T/H5Ex_T_ArrayAttribute.java @@ -0,0 +1,318 @@ +/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * + * Copyright by The HDF Group. * + * All rights reserved. * + * * + * This file is part of HDF5. The full HDF5 copyright notice, including * + * terms governing use, modification, and redistribution, is contained in * + * the COPYING file, which can be found at the root of the source code * + * distribution tree, or in https://www.hdfgroup.org/licenses. * + * If you do not have access to either file, you may request a copy from * + * help@hdfgroup.org. * + * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */ + +/************************************************************ + This example shows how to read and write array datatypes + to an attribute. The program first writes integers arrays + of dimension ADIM0xADIM1 to an attribute with a dataspace + of DIM0, then closes the file. Next, it reopens the + file, reads back the data, and outputs it to the screen. + ************************************************************/ + +import hdf.hdf5lib.H5; +import hdf.hdf5lib.HDF5Constants; + +public class H5Ex_T_ArrayAttribute { + private static String FILENAME = "H5Ex_T_ArrayAttribute.h5"; + private static String DATASETNAME = "DS1"; + private static String ATTRIBUTENAME = "A1"; + private static final int DIM0 = 4; + private static final int ADIM0 = 3; + private static final int ADIM1 = 5; + private static final int RANK = 1; + private static final int NDIMS = 2; + + private static void CreateDataset() + { + long file_id = HDF5Constants.H5I_INVALID_HID; + long filetype_id = HDF5Constants.H5I_INVALID_HID; + long memtype_id = HDF5Constants.H5I_INVALID_HID; + long dataspace_id = HDF5Constants.H5I_INVALID_HID; + long dataset_id = HDF5Constants.H5I_INVALID_HID; + long attribute_id = HDF5Constants.H5I_INVALID_HID; + long[] dims = {DIM0}; + long[] adims = {ADIM0, ADIM1}; + int[][][] dset_data = new int[DIM0][ADIM0][ADIM1]; + + // Initialize data. indx is the element in the dataspace, jndx and kndx the + // elements within the array datatype. + for (int indx = 0; indx < DIM0; indx++) + for (int jndx = 0; jndx < ADIM0; jndx++) + for (int kndx = 0; kndx < ADIM1; kndx++) + dset_data[indx][jndx][kndx] = indx * jndx - jndx * kndx + indx * kndx; + + // Create a new file using default properties. + try { + file_id = H5.H5Fcreate(FILENAME, HDF5Constants.H5F_ACC_TRUNC, HDF5Constants.H5P_DEFAULT, + HDF5Constants.H5P_DEFAULT); + } + catch (Exception e) { + e.printStackTrace(); + } + + // Create array datatypes for file. + try { + filetype_id = H5.H5Tarray_create(HDF5Constants.H5T_STD_I64LE, NDIMS, adims); + } + catch (Exception e) { + e.printStackTrace(); + } + + // Create array datatypes for memory. + try { + memtype_id = H5.H5Tarray_create(HDF5Constants.H5T_NATIVE_INT, NDIMS, adims); + } + catch (Exception e) { + e.printStackTrace(); + } + + // Create dataset with a scalar dataspace. + try { + dataspace_id = H5.H5Screate(HDF5Constants.H5S_SCALAR); + if (dataspace_id >= 0) { + dataset_id = H5.H5Dcreate(file_id, DATASETNAME, HDF5Constants.H5T_STD_I32LE, dataspace_id, + HDF5Constants.H5P_DEFAULT, HDF5Constants.H5P_DEFAULT, + HDF5Constants.H5P_DEFAULT); + H5.H5Sclose(dataspace_id); + dataspace_id = HDF5Constants.H5I_INVALID_HID; + } + } + catch (Exception e) { + e.printStackTrace(); + } + + // Create dataspace. Setting maximum size to NULL sets the maximum + // size to be the current size. + try { + dataspace_id = H5.H5Screate_simple(RANK, dims, null); + } + catch (Exception e) { + e.printStackTrace(); + } + + // Create the attribute and write the array data to it. + try { + if ((dataset_id >= 0) && (dataspace_id >= 0) && (filetype_id >= 0)) + attribute_id = H5.H5Acreate(dataset_id, ATTRIBUTENAME, filetype_id, dataspace_id, + HDF5Constants.H5P_DEFAULT, HDF5Constants.H5P_DEFAULT); + } + catch (Exception e) { + e.printStackTrace(); + } + + // Write the dataset. + try { + if ((attribute_id >= 0) && (memtype_id >= 0)) + H5.H5Awrite(attribute_id, memtype_id, dset_data); + } + catch (Exception e) { + e.printStackTrace(); + } + + // End access to the dataset and release resources used by it. + try { + if (attribute_id >= 0) + H5.H5Aclose(attribute_id); + } + catch (Exception e) { + e.printStackTrace(); + } + + try { + if (dataset_id >= 0) + H5.H5Dclose(dataset_id); + } + catch (Exception e) { + e.printStackTrace(); + } + + // Terminate access to the data space. + try { + if (dataspace_id >= 0) + H5.H5Sclose(dataspace_id); + } + catch (Exception e) { + e.printStackTrace(); + } + + // Terminate access to the file type. + try { + if (filetype_id >= 0) + H5.H5Tclose(filetype_id); + } + catch (Exception e) { + e.printStackTrace(); + } + + // Terminate access to the mem type. + try { + if (memtype_id >= 0) + H5.H5Tclose(memtype_id); + } + catch (Exception e) { + e.printStackTrace(); + } + + // Close the file. + try { + if (file_id >= 0) + H5.H5Fclose(file_id); + } + catch (Exception e) { + e.printStackTrace(); + } + } + + private static void ReadDataset() + { + long file_id = HDF5Constants.H5I_INVALID_HID; + long filetype_id = HDF5Constants.H5I_INVALID_HID; + long memtype_id = HDF5Constants.H5I_INVALID_HID; + long dataset_id = HDF5Constants.H5I_INVALID_HID; + long attribute_id = HDF5Constants.H5I_INVALID_HID; + long[] dims = {DIM0}; + long[] adims = {ADIM0, ADIM1}; + int[][][] dset_data; + + // Open an existing file. + try { + file_id = H5.H5Fopen(FILENAME, HDF5Constants.H5F_ACC_RDONLY, HDF5Constants.H5P_DEFAULT); + } + catch (Exception e) { + e.printStackTrace(); + } + + // Open an existing dataset. + try { + if (file_id >= 0) + dataset_id = H5.H5Dopen(file_id, DATASETNAME, HDF5Constants.H5P_DEFAULT); + } + catch (Exception e) { + e.printStackTrace(); + } + + try { + if (dataset_id >= 0) + attribute_id = H5.H5Aopen_by_name(dataset_id, ".", ATTRIBUTENAME, HDF5Constants.H5P_DEFAULT, + HDF5Constants.H5P_DEFAULT); + } + catch (Exception e) { + e.printStackTrace(); + } + + // Get the datatype. + try { + if (attribute_id >= 0) + filetype_id = H5.H5Aget_type(attribute_id); + } + catch (Exception e) { + e.printStackTrace(); + } + + // Get the datatype's dimensions. + try { + if (filetype_id >= 0) + H5.H5Tget_array_dims(filetype_id, adims); + } + catch (Exception e) { + e.printStackTrace(); + } + + // Allocate array of pointers to two-dimensional arrays (the + // elements of the dataset. + dset_data = new int[(int)dims[0]][(int)(adims[0])][(int)(adims[1])]; + + // Create array datatypes for memory. + try { + memtype_id = H5.H5Tarray_create(HDF5Constants.H5T_NATIVE_INT, 2, adims); + } + catch (Exception e) { + e.printStackTrace(); + } + + // Read data. + try { + if ((attribute_id >= 0) && (memtype_id >= 0)) + H5.H5Aread(attribute_id, memtype_id, dset_data); + } + catch (Exception e) { + e.printStackTrace(); + } + + // Output the data to the screen. + for (int indx = 0; indx < dims[0]; indx++) { + System.out.println(ATTRIBUTENAME + " [" + indx + "]:"); + for (int jndx = 0; jndx < adims[0]; jndx++) { + System.out.print(" ["); + for (int kndx = 0; kndx < adims[1]; kndx++) + System.out.print(dset_data[indx][jndx][kndx] + " "); + System.out.println("]"); + } + System.out.println(); + } + System.out.println(); + + // End access to the dataset and release resources used by it. + try { + if (attribute_id >= 0) + H5.H5Aclose(attribute_id); + } + catch (Exception e) { + e.printStackTrace(); + } + + try { + if (dataset_id >= 0) + H5.H5Dclose(dataset_id); + } + catch (Exception e) { + e.printStackTrace(); + } + + // Terminate access to the file type. + try { + if (filetype_id >= 0) + H5.H5Tclose(filetype_id); + } + catch (Exception e) { + e.printStackTrace(); + } + + // Terminate access to the mem type. + try { + if (memtype_id >= 0) + H5.H5Tclose(memtype_id); + } + catch (Exception e) { + e.printStackTrace(); + } + + // Close the file. + try { + if (file_id >= 0) + H5.H5Fclose(file_id); + } + catch (Exception e) { + e.printStackTrace(); + } + } + + public static void main(String[] args) + { + H5Ex_T_ArrayAttribute.CreateDataset(); + // Now we begin the read section of this example. Here we assume + // the dataset and array have the same name and rank, but can have + // any size. Therefore we must allocate a new array to read in + // data using malloc(). + H5Ex_T_ArrayAttribute.ReadDataset(); + } +} diff --git a/HDF5Examples/JAVA/H5T/H5Ex_T_Bit.java b/HDF5Examples/JAVA/H5T/H5Ex_T_Bit.java new file mode 100644 index 0000000..54a467e --- /dev/null +++ b/HDF5Examples/JAVA/H5T/H5Ex_T_Bit.java @@ -0,0 +1,223 @@ +/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * + * Copyright by The HDF Group. * + * All rights reserved. * + * * + * This file is part of HDF5. The full HDF5 copyright notice, including * + * terms governing use, modification, and redistribution, is contained in * + * the COPYING file, which can be found at the root of the source code * + * distribution tree, or in https://www.hdfgroup.org/licenses. * + * If you do not have access to either file, you may request a copy from * + * help@hdfgroup.org. * + * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */ + +/************************************************************ + This example shows how to read and write bitfield + datatypes to a dataset. The program first writes bit + fields to a dataset with a dataspace of DIM0xDIM1, then + closes the file. Next, it reopens the file, reads back + the data, and outputs it to the screen. + ************************************************************/ + +import hdf.hdf5lib.H5; +import hdf.hdf5lib.HDF5Constants; + +public class H5Ex_T_Bit { + private static String FILENAME = "H5Ex_T_Bit.h5"; + private static String DATASETNAME = "DS1"; + private static final int DIM0 = 4; + private static final int DIM1 = 7; + private static final int RANK = 2; + + private static void CreateDataset() + { + long file_id = HDF5Constants.H5I_INVALID_HID; + long dataspace_id = HDF5Constants.H5I_INVALID_HID; + long dataset_id = HDF5Constants.H5I_INVALID_HID; + long[] dims = {DIM0, DIM1}; + int[][] dset_data = new int[DIM0][DIM1]; + + // Initialize data. + for (int indx = 0; indx < DIM0; indx++) + for (int jndx = 0; jndx < DIM1; jndx++) { + dset_data[indx][jndx] = 0; + dset_data[indx][jndx] |= (indx * jndx - jndx) & 0x03; /* Field "A" */ + dset_data[indx][jndx] |= (indx & 0x03) << 2; /* Field "B" */ + dset_data[indx][jndx] |= (jndx & 0x03) << 4; /* Field "C" */ + dset_data[indx][jndx] |= ((indx + jndx) & 0x03) << 6; /* Field "D" */ + } + + // Create a new file using default properties. + try { + file_id = H5.H5Fcreate(FILENAME, HDF5Constants.H5F_ACC_TRUNC, HDF5Constants.H5P_DEFAULT, + HDF5Constants.H5P_DEFAULT); + } + catch (Exception e) { + e.printStackTrace(); + } + + // Create dataspace. Setting maximum size to NULL sets the maximum + // size to be the current size. + try { + dataspace_id = H5.H5Screate_simple(RANK, dims, null); + } + catch (Exception e) { + e.printStackTrace(); + } + + // Create the dataset. + try { + if ((file_id >= 0) && (dataspace_id >= 0)) + dataset_id = H5.H5Dcreate(file_id, DATASETNAME, HDF5Constants.H5T_STD_B8BE, dataspace_id, + HDF5Constants.H5P_DEFAULT, HDF5Constants.H5P_DEFAULT, + HDF5Constants.H5P_DEFAULT); + } + catch (Exception e) { + e.printStackTrace(); + } + + // Write the bitfield data to the dataset. + try { + if (dataset_id >= 0) + H5.H5Dwrite(dataset_id, HDF5Constants.H5T_NATIVE_B8, HDF5Constants.H5S_ALL, + HDF5Constants.H5S_ALL, HDF5Constants.H5P_DEFAULT, dset_data); + } + catch (Exception e) { + e.printStackTrace(); + } + + // End access to the dataset and release resources used by it. + try { + if (dataset_id >= 0) + H5.H5Dclose(dataset_id); + } + catch (Exception e) { + e.printStackTrace(); + } + + // Terminate access to the data space. + try { + if (dataspace_id >= 0) + H5.H5Sclose(dataspace_id); + } + catch (Exception e) { + e.printStackTrace(); + } + + // Close the file. + try { + if (file_id >= 0) + H5.H5Fclose(file_id); + } + catch (Exception e) { + e.printStackTrace(); + } + } + + private static void ReadDataset() + { + long file_id = HDF5Constants.H5I_INVALID_HID; + long dataspace_id = HDF5Constants.H5I_INVALID_HID; + long dataset_id = HDF5Constants.H5I_INVALID_HID; + long[] dims = {DIM0, DIM1}; + int[][] dset_data; + + // Open an existing file. + try { + file_id = H5.H5Fopen(FILENAME, HDF5Constants.H5F_ACC_RDONLY, HDF5Constants.H5P_DEFAULT); + } + catch (Exception e) { + e.printStackTrace(); + } + + // Open an existing dataset. + try { + if (file_id >= 0) + dataset_id = H5.H5Dopen(file_id, DATASETNAME, HDF5Constants.H5P_DEFAULT); + } + catch (Exception e) { + e.printStackTrace(); + } + + // Get dataspace and allocate memory for read buffer. + try { + if (dataset_id >= 0) + dataspace_id = H5.H5Dget_space(dataset_id); + } + catch (Exception e) { + e.printStackTrace(); + } + + try { + if (dataspace_id >= 0) + H5.H5Sget_simple_extent_dims(dataspace_id, dims, null); + } + catch (Exception e) { + e.printStackTrace(); + } + + // Allocate array of pointers to two-dimensional arrays (the + // elements of the dataset. + dset_data = new int[(int)dims[0]][(int)(dims[1])]; + + // Read data. + try { + if (dataset_id >= 0) + H5.H5Dread(dataset_id, HDF5Constants.H5T_NATIVE_B8, HDF5Constants.H5S_ALL, + HDF5Constants.H5S_ALL, HDF5Constants.H5P_DEFAULT, dset_data); + } + catch (Exception e) { + e.printStackTrace(); + } + + // Output the data to the screen. + System.out.println(DATASETNAME + ":"); + for (int indx = 0; indx < dims[0]; indx++) { + System.out.print(" ["); + for (int jndx = 0; jndx < dims[1]; jndx++) { + System.out.print("{" + (dset_data[indx][jndx] & 0x03) + ", "); + System.out.print(((dset_data[indx][jndx] >> 2) & 0x03) + ", "); + System.out.print(((dset_data[indx][jndx] >> 4) & 0x03) + ", "); + System.out.print(((dset_data[indx][jndx] >> 6) & 0x03) + "}"); + } + System.out.println("]"); + } + System.out.println(); + + // End access to the dataset and release resources used by it. + try { + if (dataset_id >= 0) + H5.H5Dclose(dataset_id); + } + catch (Exception e) { + e.printStackTrace(); + } + + // Terminate access to the data space. + try { + if (dataspace_id >= 0) + H5.H5Sclose(dataspace_id); + } + catch (Exception e) { + e.printStackTrace(); + } + + // Close the file. + try { + if (file_id >= 0) + H5.H5Fclose(file_id); + } + catch (Exception e) { + e.printStackTrace(); + } + } + + public static void main(String[] args) + { + H5Ex_T_Bit.CreateDataset(); + // Now we begin the read section of this example. Here we assume + // the dataset and array have the same name and rank, but can have + // any size. Therefore we must allocate a new array to read in + // data using malloc(). + H5Ex_T_Bit.ReadDataset(); + } +} diff --git a/HDF5Examples/JAVA/H5T/H5Ex_T_BitAttribute.java b/HDF5Examples/JAVA/H5T/H5Ex_T_BitAttribute.java new file mode 100644 index 0000000..5be1b91 --- /dev/null +++ b/HDF5Examples/JAVA/H5T/H5Ex_T_BitAttribute.java @@ -0,0 +1,264 @@ +/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * + * Copyright by The HDF Group. * + * All rights reserved. * + * * + * This file is part of HDF5. The full HDF5 copyright notice, including * + * terms governing use, modification, and redistribution, is contained in * + * the COPYING file, which can be found at the root of the source code * + * distribution tree, or in https://www.hdfgroup.org/licenses. * + * If you do not have access to either file, you may request a copy from * + * help@hdfgroup.org. * + * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */ + +/************************************************************ + This example shows how to read and write bitfield + datatypes to an attribute. The program first writes bit + fields to an attribute with a dataspace of DIM0xDIM1, then + closes the file. Next, it reopens the file, reads back + the data, and outputs it to the screen. + ************************************************************/ + +import hdf.hdf5lib.H5; +import hdf.hdf5lib.HDF5Constants; + +public class H5Ex_T_BitAttribute { + private static String FILENAME = "H5Ex_T_BitAttribute.h5"; + private static String DATASETNAME = "DS1"; + private static String ATTRIBUTENAME = "A1"; + private static final int DIM0 = 4; + private static final int DIM1 = 7; + private static final int RANK = 2; + + private static void CreateDataset() + { + long file_id = HDF5Constants.H5I_INVALID_HID; + long dataspace_id = HDF5Constants.H5I_INVALID_HID; + long dataset_id = HDF5Constants.H5I_INVALID_HID; + long attribute_id = HDF5Constants.H5I_INVALID_HID; + long[] dims = {DIM0, DIM1}; + int[][] dset_data = new int[DIM0][DIM1]; + + // Initialize data. + for (int indx = 0; indx < DIM0; indx++) + for (int jndx = 0; jndx < DIM1; jndx++) { + dset_data[indx][jndx] = 0; + dset_data[indx][jndx] |= (indx * jndx - jndx) & 0x03; /* Field "A" */ + dset_data[indx][jndx] |= (indx & 0x03) << 2; /* Field "B" */ + dset_data[indx][jndx] |= (jndx & 0x03) << 4; /* Field "C" */ + dset_data[indx][jndx] |= ((indx + jndx) & 0x03) << 6; /* Field "D" */ + } + + // Create a new file using default properties. + try { + file_id = H5.H5Fcreate(FILENAME, HDF5Constants.H5F_ACC_TRUNC, HDF5Constants.H5P_DEFAULT, + HDF5Constants.H5P_DEFAULT); + } + catch (Exception e) { + e.printStackTrace(); + } + + // Create dataset with a scalar dataspace. + try { + dataspace_id = H5.H5Screate(HDF5Constants.H5S_SCALAR); + if (dataspace_id >= 0) { + dataset_id = H5.H5Dcreate(file_id, DATASETNAME, HDF5Constants.H5T_STD_I32LE, dataspace_id, + HDF5Constants.H5P_DEFAULT, HDF5Constants.H5P_DEFAULT, + HDF5Constants.H5P_DEFAULT); + H5.H5Sclose(dataspace_id); + dataspace_id = HDF5Constants.H5I_INVALID_HID; + } + } + catch (Exception e) { + e.printStackTrace(); + } + + // Create dataspace. Setting maximum size to NULL sets the maximum + // size to be the current size. + try { + dataspace_id = H5.H5Screate_simple(RANK, dims, null); + } + catch (Exception e) { + e.printStackTrace(); + } + + // Create the attribute and write the array data to it. + try { + if ((dataset_id >= 0) && (dataspace_id >= 0)) + attribute_id = + H5.H5Acreate(dataset_id, ATTRIBUTENAME, HDF5Constants.H5T_STD_B8BE, dataspace_id, + HDF5Constants.H5P_DEFAULT, HDF5Constants.H5P_DEFAULT); + } + catch (Exception e) { + e.printStackTrace(); + } + + // Write the dataset. + try { + if (attribute_id >= 0) + H5.H5Awrite(attribute_id, HDF5Constants.H5T_NATIVE_B8, dset_data); + } + catch (Exception e) { + e.printStackTrace(); + } + + // End access to the dataset and release resources used by it. + try { + if (attribute_id >= 0) + H5.H5Aclose(attribute_id); + } + catch (Exception e) { + e.printStackTrace(); + } + + try { + if (dataset_id >= 0) + H5.H5Dclose(dataset_id); + } + catch (Exception e) { + e.printStackTrace(); + } + + // Terminate access to the data space. + try { + if (dataspace_id >= 0) + H5.H5Sclose(dataspace_id); + } + catch (Exception e) { + e.printStackTrace(); + } + + // Close the file. + try { + if (file_id >= 0) + H5.H5Fclose(file_id); + } + catch (Exception e) { + e.printStackTrace(); + } + } + + private static void ReadDataset() + { + long file_id = HDF5Constants.H5I_INVALID_HID; + long dataspace_id = HDF5Constants.H5I_INVALID_HID; + long dataset_id = HDF5Constants.H5I_INVALID_HID; + long attribute_id = HDF5Constants.H5I_INVALID_HID; + long[] dims = {DIM0, DIM1}; + int[][] dset_data; + + // Open an existing file. + try { + file_id = H5.H5Fopen(FILENAME, HDF5Constants.H5F_ACC_RDONLY, HDF5Constants.H5P_DEFAULT); + } + catch (Exception e) { + e.printStackTrace(); + } + + // Open an existing dataset. + try { + if (file_id >= 0) + dataset_id = H5.H5Dopen(file_id, DATASETNAME, HDF5Constants.H5P_DEFAULT); + } + catch (Exception e) { + e.printStackTrace(); + } + + try { + if (dataset_id >= 0) + attribute_id = H5.H5Aopen_by_name(dataset_id, ".", ATTRIBUTENAME, HDF5Constants.H5P_DEFAULT, + HDF5Constants.H5P_DEFAULT); + } + catch (Exception e) { + e.printStackTrace(); + } + + // Get dataspace and allocate memory for read buffer. + try { + if (attribute_id >= 0) + dataspace_id = H5.H5Aget_space(attribute_id); + } + catch (Exception e) { + e.printStackTrace(); + } + + try { + if (dataspace_id >= 0) + H5.H5Sget_simple_extent_dims(dataspace_id, dims, null); + } + catch (Exception e) { + e.printStackTrace(); + } + + // Allocate array of pointers to two-dimensional arrays (the + // elements of the dataset. + dset_data = new int[(int)dims[0]][(int)(dims[1])]; + + // Read data. + try { + if (attribute_id >= 0) + H5.H5Aread(attribute_id, HDF5Constants.H5T_NATIVE_B8, dset_data); + } + catch (Exception e) { + e.printStackTrace(); + } + + // Output the data to the screen. + System.out.println(ATTRIBUTENAME + ":"); + for (int indx = 0; indx < dims[0]; indx++) { + System.out.print(" ["); + for (int jndx = 0; jndx < dims[1]; jndx++) { + System.out.print("{" + (dset_data[indx][jndx] & 0x03) + ", "); + System.out.print(((dset_data[indx][jndx] >> 2) & 0x03) + ", "); + System.out.print(((dset_data[indx][jndx] >> 4) & 0x03) + ", "); + System.out.print(((dset_data[indx][jndx] >> 6) & 0x03) + "}"); + } + System.out.println("]"); + } + System.out.println(); + + // End access to the dataset and release resources used by it. + try { + if (attribute_id >= 0) + H5.H5Aclose(attribute_id); + } + catch (Exception e) { + e.printStackTrace(); + } + + try { + if (dataset_id >= 0) + H5.H5Dclose(dataset_id); + } + catch (Exception e) { + e.printStackTrace(); + } + + // Terminate access to the data space. + try { + if (dataspace_id >= 0) + H5.H5Sclose(dataspace_id); + } + catch (Exception e) { + e.printStackTrace(); + } + + // Close the file. + try { + if (file_id >= 0) + H5.H5Fclose(file_id); + } + catch (Exception e) { + e.printStackTrace(); + } + } + + public static void main(String[] args) + { + H5Ex_T_BitAttribute.CreateDataset(); + // Now we begin the read section of this example. Here we assume + // the dataset and array have the same name and rank, but can have + // any size. Therefore we must allocate a new array to read in + // data using malloc(). + H5Ex_T_BitAttribute.ReadDataset(); + } +} diff --git a/HDF5Examples/JAVA/H5T/H5Ex_T_Commit.java b/HDF5Examples/JAVA/H5T/H5Ex_T_Commit.java new file mode 100644 index 0000000..cd26a96 --- /dev/null +++ b/HDF5Examples/JAVA/H5T/H5Ex_T_Commit.java @@ -0,0 +1,258 @@ +/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * + * Copyright by The HDF Group. * + * All rights reserved. * + * * + * This file is part of HDF5. The full HDF5 copyright notice, including * + * terms governing use, modification, and redistribution, is contained in * + * the COPYING file, which can be found at the root of the source code * + * distribution tree, or in https://www.hdfgroup.org/licenses. * + * If you do not have access to either file, you may request a copy from * + * help@hdfgroup.org. * + * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */ + +/************************************************************ + This example shows how to commit a named datatype to a + file, and read back that datatype. The program first + defines a compound datatype, commits it to a file, then + closes the file. Next, it reopens the file, opens the + datatype, and outputs the names of its fields to the + screen. + ************************************************************/ + +import java.util.EnumSet; +import java.util.HashMap; +import java.util.Map; + +import hdf.hdf5lib.H5; +import hdf.hdf5lib.HDF5Constants; + +public class H5Ex_T_Commit { + private static String FILENAME = "H5Ex_T_Commit.h5"; + private static String DATATYPENAME = "Sensor_Type"; + protected static final int INTEGERSIZE = 4; + protected static final int DOUBLESIZE = 8; + protected final static int MAXSTRINGSIZE = 80; + + // Values for the various classes of datatypes + enum H5T_class { + H5T_NO_CLASS(HDF5Constants.H5T_NO_CLASS), // error + H5T_INTEGER(HDF5Constants.H5T_INTEGER), // integer types + H5T_FLOAT(HDF5Constants.H5T_FLOAT), // floating-point types + H5T_TIME(HDF5Constants.H5T_TIME), // date and time types + H5T_STRING(HDF5Constants.H5T_STRING), // character string types + H5T_BITFIELD(HDF5Constants.H5T_BITFIELD), // bit field types + H5T_OPAQUE(HDF5Constants.H5T_OPAQUE), // opaque types + H5T_COMPOUND(HDF5Constants.H5T_COMPOUND), // compound types + H5T_REFERENCE(HDF5Constants.H5T_REFERENCE), // reference types + H5T_ENUM(HDF5Constants.H5T_ENUM), // enumeration types + H5T_VLEN(HDF5Constants.H5T_VLEN), // Variable-Length types + H5T_ARRAY(HDF5Constants.H5T_ARRAY), // Array types + H5T_NCLASSES(11); // this must be last + + private static final Map<Long, H5T_class> lookup = new HashMap<Long, H5T_class>(); + + static + { + for (H5T_class s : EnumSet.allOf(H5T_class.class)) + lookup.put(s.getCode(), s); + } + + private long code; + + H5T_class(long layout_type) { this.code = layout_type; } + + public long getCode() { return this.code; } + + public static H5T_class get(long typeclass_id) { return lookup.get(typeclass_id); } + } + + // The supporting Sensor_Datatype class. + private static class Sensor_Datatype { + static int numberMembers = 4; + static int[] memberDims = {1, 1, 1, 1}; + + String[] memberNames = {"Serial number", "Location", "Temperature (F)", "Pressure (inHg)"}; + long[] memberFileTypes = {HDF5Constants.H5T_STD_I32BE, HDF5Constants.H5T_C_S1, + HDF5Constants.H5T_IEEE_F64BE, HDF5Constants.H5T_IEEE_F64BE}; + static int[] memberStorage = {INTEGERSIZE, MAXSTRINGSIZE, DOUBLESIZE, DOUBLESIZE}; + + // Data size is the storage size for the members not the object. + static long getDataSize() + { + long data_size = 0; + for (int indx = 0; indx < numberMembers; indx++) + data_size += memberStorage[indx] * memberDims[indx]; + return data_size; + } + + static int getOffset(int memberItem) + { + int data_offset = 0; + for (int indx = 0; indx < memberItem; indx++) + data_offset += memberStorage[indx]; + return data_offset; + } + } + + private static void CreateDataType() + { + long file_id = HDF5Constants.H5I_INVALID_HID; + long strtype_id = HDF5Constants.H5I_INVALID_HID; + long filetype_id = HDF5Constants.H5I_INVALID_HID; + Sensor_Datatype datatypes = new Sensor_Datatype(); + // Create a new file using default properties. + try { + file_id = H5.H5Fcreate(FILENAME, HDF5Constants.H5F_ACC_TRUNC, HDF5Constants.H5P_DEFAULT, + HDF5Constants.H5P_DEFAULT); + } + catch (Exception e) { + e.printStackTrace(); + } + + // Create string datatype. + try { + strtype_id = H5.H5Tcopy(HDF5Constants.H5T_C_S1); + if (strtype_id >= 0) + H5.H5Tset_size(strtype_id, MAXSTRINGSIZE); + } + catch (Exception e) { + e.printStackTrace(); + } + + // Create the compound datatype for the file. Because the standard + // types we are using for the file may have different sizes than + // the corresponding native types, we must manually calculate the + // offset of each member. + try { + filetype_id = H5.H5Tcreate(HDF5Constants.H5T_COMPOUND, Sensor_Datatype.getDataSize()); + if (filetype_id >= 0) { + for (int indx = 0; indx < Sensor_Datatype.numberMembers; indx++) { + long type_id = datatypes.memberFileTypes[indx]; + if (type_id == HDF5Constants.H5T_C_S1) + type_id = strtype_id; + H5.H5Tinsert(filetype_id, datatypes.memberNames[indx], Sensor_Datatype.getOffset(indx), + type_id); + } + } + } + catch (Exception e) { + e.printStackTrace(); + } + + // Commit the compound datatype to the file, creating a named datatype. + try { + if ((file_id >= 0) && (filetype_id >= 0)) + H5.H5Tcommit(file_id, DATATYPENAME, filetype_id, HDF5Constants.H5P_DEFAULT, + HDF5Constants.H5P_DEFAULT, HDF5Constants.H5P_DEFAULT); + } + catch (Exception e) { + e.printStackTrace(); + } + + // Terminate access to the file type. + try { + if (filetype_id >= 0) + H5.H5Tclose(filetype_id); + } + catch (Exception e) { + e.printStackTrace(); + } + + // Terminate access to the str type. + try { + if (strtype_id >= 0) + H5.H5Tclose(strtype_id); + } + catch (Exception e) { + e.printStackTrace(); + } + + // Close the file. + try { + if (file_id >= 0) + H5.H5Fclose(file_id); + } + catch (Exception e) { + e.printStackTrace(); + } + } + + private static void ReadDataType() + { + long file_id = HDF5Constants.H5I_INVALID_HID; + long typeclass_id = HDF5Constants.H5I_INVALID_HID; + long filetype_id = HDF5Constants.H5I_INVALID_HID; + + // Open an existing file. + try { + file_id = H5.H5Fopen(FILENAME, HDF5Constants.H5F_ACC_RDONLY, HDF5Constants.H5P_DEFAULT); + } + catch (Exception e) { + e.printStackTrace(); + } + + // Open named datatype. + try { + if (file_id >= 0) + filetype_id = H5.H5Topen(file_id, DATATYPENAME, HDF5Constants.H5P_DEFAULT); + } + catch (Exception e) { + e.printStackTrace(); + } + + // Output the data to the screen. + System.out.println("Named datatype: " + DATATYPENAME + ":"); + + // Get datatype class. If it isn't compound, we won't print anything. + try { + if (filetype_id >= 0) + typeclass_id = H5.H5Tget_class(filetype_id); + } + catch (Exception e) { + e.printStackTrace(); + } + // Read data. + try { + if (H5T_class.get(typeclass_id) == H5T_class.H5T_COMPOUND) { + System.out.println(" Class: H5T_COMPOUND"); + int nmembs = H5.H5Tget_nmembers(filetype_id); + // Iterate over compound datatype members. + for (int indx = 0; indx < nmembs; indx++) { + String member_name = H5.H5Tget_member_name(filetype_id, indx); + System.out.println(" " + member_name); + } + } + } + catch (Exception e) { + e.printStackTrace(); + } + + // Terminate access to the mem type. + try { + if (filetype_id >= 0) + H5.H5Tclose(filetype_id); + } + catch (Exception e) { + e.printStackTrace(); + } + + // Close the file. + try { + if (file_id >= 0) + H5.H5Fclose(file_id); + } + catch (Exception e) { + e.printStackTrace(); + } + } + + public static void main(String[] args) + { + H5Ex_T_Commit.CreateDataType(); + // Now we begin the read section of this example. Here we assume + // the dataset and array have the same name and rank, but can have + // any size. Therefore we must allocate a new array to read in + // data using malloc(). + H5Ex_T_Commit.ReadDataType(); + } +} diff --git a/HDF5Examples/JAVA/H5T/H5Ex_T_Compound.java b/HDF5Examples/JAVA/H5T/H5Ex_T_Compound.java new file mode 100644 index 0000000..21aeabc --- /dev/null +++ b/HDF5Examples/JAVA/H5T/H5Ex_T_Compound.java @@ -0,0 +1,460 @@ +/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * + * Copyright by The HDF Group. * + * All rights reserved. * + * * + * This file is part of HDF5. The full HDF5 copyright notice, including * + * terms governing use, modification, and redistribution, is contained in * + * the COPYING file, which can be found at the root of the source code * + * distribution tree, or in https://www.hdfgroup.org/licenses. * + * If you do not have access to either file, you may request a copy from * + * help@hdfgroup.org. * + * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */ + +/************************************************************ + This example shows how to read and write compound + datatypes to a dataset. The program first writes + compound structures to a dataset with a dataspace of DIM0, + then closes the file. Next, it reopens the file, reads + back the data, and outputs it to the screen. + ************************************************************/ + +import java.nio.ByteBuffer; +import java.nio.ByteOrder; +import java.nio.charset.Charset; +import java.util.ArrayList; +import java.util.Arrays; +import java.util.List; + +import hdf.hdf5lib.H5; +import hdf.hdf5lib.HDF5Constants; + +public class H5Ex_T_Compound { + private static String FILENAME = "H5Ex_T_Compound.h5"; + private static String DATASETNAME = "DS1"; + private static final int DIM0 = 4; + private static final int RANK = 1; + protected static final int INTEGERSIZE = 4; + protected static final int DOUBLESIZE = 8; + protected final static int MAXSTRINGSIZE = 80; + + static class Sensor_Datatype { + static int numberMembers = 4; + static int[] memberDims = {1, 1, 1, 1}; + + static String[] memberNames = {"Serial number", "Location", "Temperature (F)", "Pressure (inHg)"}; + static long[] memberMemTypes = {HDF5Constants.H5T_NATIVE_INT, HDF5Constants.H5T_C_S1, + HDF5Constants.H5T_NATIVE_DOUBLE, HDF5Constants.H5T_NATIVE_DOUBLE}; + static long[] memberFileTypes = {HDF5Constants.H5T_STD_I32BE, HDF5Constants.H5T_C_S1, + HDF5Constants.H5T_IEEE_F64BE, HDF5Constants.H5T_IEEE_F64BE}; + static int[] memberStorage = {INTEGERSIZE, MAXSTRINGSIZE, DOUBLESIZE, DOUBLESIZE}; + + // Data size is the storage size for the members. + static long getTotalDataSize() + { + long data_size = 0; + for (int indx = 0; indx < numberMembers; indx++) + data_size += memberStorage[indx] * memberDims[indx]; + return DIM0 * data_size; + } + + static long getDataSize() + { + long data_size = 0; + for (int indx = 0; indx < numberMembers; indx++) + data_size += memberStorage[indx] * memberDims[indx]; + return data_size; + } + + static int getOffset(int memberItem) + { + int data_offset = 0; + for (int indx = 0; indx < memberItem; indx++) + data_offset += memberStorage[indx]; + return data_offset; + } + } + + static class Sensor { + public int serial_no; + public String location; + public double temperature; + public double pressure; + + Sensor(int serial_no, String location, double temperature, double pressure) + { + this.serial_no = serial_no; + this.location = location; + this.temperature = temperature; + this.pressure = pressure; + } + + Sensor(List data) + { + this.serial_no = (int)data.get(0); + this.location = (String)data.get(1); + this.temperature = (double)data.get(2); + this.pressure = (double)data.get(3); + } + + Sensor(ByteBuffer databuf, int dbposition) { readBuffer(databuf, dbposition); } + + void writeBuffer(ByteBuffer databuf, int dbposition) + { + databuf.putInt(dbposition + Sensor_Datatype.getOffset(0), serial_no); + byte[] temp_str = location.getBytes(Charset.forName("UTF-8")); + int arraylen = (temp_str.length > MAXSTRINGSIZE) ? MAXSTRINGSIZE : temp_str.length; + for (int ndx = 0; ndx < arraylen; ndx++) + databuf.put(dbposition + Sensor_Datatype.getOffset(1) + ndx, temp_str[ndx]); + for (int ndx = arraylen; ndx < MAXSTRINGSIZE; ndx++) + databuf.put(dbposition + Sensor_Datatype.getOffset(1) + arraylen, (byte)0); + databuf.putDouble(dbposition + Sensor_Datatype.getOffset(2), temperature); + databuf.putDouble(dbposition + Sensor_Datatype.getOffset(3), pressure); + } + + void readBuffer(ByteBuffer databuf, int dbposition) + { + this.serial_no = databuf.getInt(dbposition + Sensor_Datatype.getOffset(0)); + ByteBuffer stringbuf = databuf.duplicate(); + stringbuf.position(dbposition + Sensor_Datatype.getOffset(1)); + stringbuf.limit(dbposition + Sensor_Datatype.getOffset(1) + MAXSTRINGSIZE); + byte[] bytearr = new byte[stringbuf.remaining()]; + stringbuf.get(bytearr); + this.location = new String(bytearr, Charset.forName("UTF-8")).trim(); + this.temperature = databuf.getDouble(dbposition + Sensor_Datatype.getOffset(2)); + this.pressure = databuf.getDouble(dbposition + Sensor_Datatype.getOffset(3)); + } + + List get() + { + List data = new ArrayList<>(); + data.add(this.serial_no); + data.add(this.location); + data.add(this.temperature); + data.add(this.pressure); + return data; + } + + void put(List data) + { + this.serial_no = (int)data.get(0); + this.location = (String)data.get(1); + this.temperature = (double)data.get(2); + this.pressure = (double)data.get(3); + } + + @Override + public String toString() + { + return String.format("Serial number : " + serial_no + "%n" + + "Location : " + location + "%n" + + "Temperature (F) : " + temperature + "%n" + + "Pressure (inHg) : " + pressure + "%n"); + } + } + + private static void CreateDataset() + { + long file_id = HDF5Constants.H5I_INVALID_HID; + long strtype_id = HDF5Constants.H5I_INVALID_HID; + long memtype_id = HDF5Constants.H5I_INVALID_HID; + long filetype_id = HDF5Constants.H5I_INVALID_HID; + long dataspace_id = HDF5Constants.H5I_INVALID_HID; + long dataset_id = HDF5Constants.H5I_INVALID_HID; + long[] dims = {DIM0}; + ArrayList[] object_data = new ArrayList[DIM0]; + byte[] dset_data = null; + + // Initialize data. + object_data[0] = (ArrayList) new Sensor(1153, new String("Exterior (static)"), 53.23, 24.57).get(); + object_data[1] = (ArrayList) new Sensor(1184, new String("Intake"), 55.12, 22.95).get(); + object_data[2] = (ArrayList) new Sensor(1027, new String("Intake manifold"), 103.55, 31.23).get(); + object_data[3] = (ArrayList) new Sensor(1313, new String("Exhaust manifold"), 1252.89, 84.11).get(); + + // Create a new file using default properties. + try { + file_id = H5.H5Fcreate(FILENAME, HDF5Constants.H5F_ACC_TRUNC, HDF5Constants.H5P_DEFAULT, + HDF5Constants.H5P_DEFAULT); + } + catch (Exception e) { + e.printStackTrace(); + } + + // Create string datatype. + try { + strtype_id = H5.H5Tcopy(HDF5Constants.H5T_C_S1); + if (strtype_id >= 0) + H5.H5Tset_size(strtype_id, MAXSTRINGSIZE); + } + catch (Exception e) { + e.printStackTrace(); + } + + // Create the compound datatype for memory. + try { + memtype_id = H5.H5Tcreate(HDF5Constants.H5T_COMPOUND, Sensor_Datatype.getDataSize()); + if (memtype_id >= 0) { + for (int indx = 0; indx < Sensor_Datatype.numberMembers; indx++) { + long type_id = Sensor_Datatype.memberMemTypes[indx]; + if (type_id == HDF5Constants.H5T_C_S1) + type_id = strtype_id; + H5.H5Tinsert(memtype_id, Sensor_Datatype.memberNames[indx], + Sensor_Datatype.getOffset(indx), type_id); + } + } + } + catch (Exception e) { + e.printStackTrace(); + } + + // Create the compound datatype for the file. Because the standard + // types we are using for the file may have different sizes than + // the corresponding native types, we must manually calculate the + // offset of each member. + try { + filetype_id = H5.H5Tcreate(HDF5Constants.H5T_COMPOUND, Sensor_Datatype.getDataSize()); + if (filetype_id >= 0) { + for (int indx = 0; indx < Sensor_Datatype.numberMembers; indx++) { + long type_id = Sensor_Datatype.memberFileTypes[indx]; + if (type_id == HDF5Constants.H5T_C_S1) + type_id = strtype_id; + H5.H5Tinsert(filetype_id, Sensor_Datatype.memberNames[indx], + Sensor_Datatype.getOffset(indx), type_id); + } + } + } + catch (Exception e) { + e.printStackTrace(); + } + + // Create dataspace. Setting maximum size to NULL sets the maximum + // size to be the current size. + try { + dataspace_id = H5.H5Screate_simple(RANK, dims, null); + } + catch (Exception e) { + e.printStackTrace(); + } + + // Create the dataset. + try { + if ((file_id >= 0) && (dataspace_id >= 0) && (filetype_id >= 0)) + dataset_id = + H5.H5Dcreate(file_id, DATASETNAME, filetype_id, dataspace_id, HDF5Constants.H5P_DEFAULT, + HDF5Constants.H5P_DEFAULT, HDF5Constants.H5P_DEFAULT); + } + catch (Exception e) { + e.printStackTrace(); + } + + // Write the compound data to the dataset. + try { + if ((dataset_id >= 0) && (memtype_id >= 0)) + H5.H5DwriteVL(dataset_id, memtype_id, HDF5Constants.H5S_ALL, HDF5Constants.H5S_ALL, + HDF5Constants.H5P_DEFAULT, (Object[])object_data); + } + catch (Exception e) { + e.printStackTrace(); + } + + // End access to the dataset and release resources used by it. + try { + if (dataset_id >= 0) + H5.H5Dclose(dataset_id); + } + catch (Exception e) { + e.printStackTrace(); + } + + // Terminate access to the data space. + try { + if (dataspace_id >= 0) + H5.H5Sclose(dataspace_id); + } + catch (Exception e) { + e.printStackTrace(); + } + + // Terminate access to the file type. + try { + if (filetype_id >= 0) + H5.H5Tclose(filetype_id); + } + catch (Exception e) { + e.printStackTrace(); + } + + // Terminate access to the mem type. + try { + if (memtype_id >= 0) + H5.H5Tclose(memtype_id); + } + catch (Exception e) { + e.printStackTrace(); + } + + try { + if (strtype_id >= 0) + H5.H5Tclose(strtype_id); + } + catch (Exception e) { + e.printStackTrace(); + } + + // Close the file. + try { + if (file_id >= 0) + H5.H5Fclose(file_id); + } + catch (Exception e) { + e.printStackTrace(); + } + } + + private static void ReadDataset() + { + long file_id = HDF5Constants.H5I_INVALID_HID; + long strtype_id = HDF5Constants.H5I_INVALID_HID; + long memtype_id = HDF5Constants.H5I_INVALID_HID; + long dataspace_id = HDF5Constants.H5I_INVALID_HID; + long dataset_id = HDF5Constants.H5I_INVALID_HID; + long[] dims = {DIM0}; + Sensor[] object_data2 = new Sensor[(int)dims[0]]; + + // Open an existing file. + try { + file_id = H5.H5Fopen(FILENAME, HDF5Constants.H5F_ACC_RDONLY, HDF5Constants.H5P_DEFAULT); + } + catch (Exception e) { + e.printStackTrace(); + } + + // Open an existing dataset. + try { + if (file_id >= 0) + dataset_id = H5.H5Dopen(file_id, DATASETNAME, HDF5Constants.H5P_DEFAULT); + } + catch (Exception e) { + e.printStackTrace(); + } + + // Get dataspace and allocate memory for read buffer. + try { + if (dataset_id >= 0) + dataspace_id = H5.H5Dget_space(dataset_id); + } + catch (Exception e) { + e.printStackTrace(); + } + + try { + if (dataspace_id >= 0) + H5.H5Sget_simple_extent_dims(dataspace_id, dims, null); + } + catch (Exception e) { + e.printStackTrace(); + } + + // Create string datatype. + try { + strtype_id = H5.H5Tcopy(HDF5Constants.H5T_C_S1); + if (strtype_id >= 0) + H5.H5Tset_size(strtype_id, MAXSTRINGSIZE); + } + catch (Exception e) { + e.printStackTrace(); + } + + // Create the compound datatype for memory. + try { + memtype_id = H5.H5Tcreate(HDF5Constants.H5T_COMPOUND, Sensor_Datatype.getDataSize()); + if (memtype_id >= 0) { + for (int indx = 0; indx < Sensor_Datatype.numberMembers; indx++) { + long type_id = Sensor_Datatype.memberMemTypes[indx]; + if (type_id == HDF5Constants.H5T_C_S1) + type_id = strtype_id; + H5.H5Tinsert(memtype_id, Sensor_Datatype.memberNames[indx], + Sensor_Datatype.getOffset(indx), type_id); + } + } + } + catch (Exception e) { + e.printStackTrace(); + } + + ArrayList[] object_data = new ArrayList[(int)dims[0]]; + + // Read data. + try { + if ((dataset_id >= 0) && (memtype_id >= 0)) + H5.H5DreadVL(dataset_id, memtype_id, HDF5Constants.H5S_ALL, HDF5Constants.H5S_ALL, + HDF5Constants.H5P_DEFAULT, (Object[])object_data); + + for (int indx = 0; indx < (int)dims[0]; indx++) { + object_data2[indx] = new Sensor(object_data[indx]); + } + } + catch (Exception e) { + e.printStackTrace(); + } + + // Output the data to the screen. + for (int indx = 0; indx < dims[0]; indx++) { + System.out.println(DATASETNAME + " [" + indx + "]:"); + System.out.println(object_data2[indx].toString()); + } + System.out.println(); + + try { + if (dataset_id >= 0) + H5.H5Dclose(dataset_id); + } + catch (Exception e) { + e.printStackTrace(); + } + + // Terminate access to the data space. + try { + if (dataspace_id >= 0) + H5.H5Sclose(dataspace_id); + } + catch (Exception e) { + e.printStackTrace(); + } + + // Terminate access to the mem type. + try { + if (memtype_id >= 0) + H5.H5Tclose(memtype_id); + } + catch (Exception e) { + e.printStackTrace(); + } + + try { + if (strtype_id >= 0) + H5.H5Tclose(strtype_id); + } + catch (Exception e) { + e.printStackTrace(); + } + + // Close the file. + try { + if (file_id >= 0) + H5.H5Fclose(file_id); + } + catch (Exception e) { + e.printStackTrace(); + } + } + + public static void main(String[] args) + { + H5Ex_T_Compound.CreateDataset(); + // Now we begin the read section of this example. Here we assume + // the dataset and array have the same name and rank, but can have + // any size. Therefore we must allocate a new array to read in + // data using malloc(). + H5Ex_T_Compound.ReadDataset(); + } +} diff --git a/HDF5Examples/JAVA/H5T/H5Ex_T_CompoundAttribute.java b/HDF5Examples/JAVA/H5T/H5Ex_T_CompoundAttribute.java new file mode 100644 index 0000000..a33faee --- /dev/null +++ b/HDF5Examples/JAVA/H5T/H5Ex_T_CompoundAttribute.java @@ -0,0 +1,502 @@ +/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * + * Copyright by The HDF Group. * + * All rights reserved. * + * * + * This file is part of HDF5. The full HDF5 copyright notice, including * + * terms governing use, modification, and redistribution, is contained in * + * the COPYING file, which can be found at the root of the source code * + * distribution tree, or in https://www.hdfgroup.org/licenses. * + * If you do not have access to either file, you may request a copy from * + * help@hdfgroup.org. * + * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */ + +/************************************************************ + This example shows how to read and write compound + datatypes to an attribute. The program first writes + compound structures to an attribute with a dataspace of + DIM0, then closes the file. Next, it reopens the file, + reads back the data, and outputs it to the screen. + ************************************************************/ + +import java.nio.ByteBuffer; +import java.nio.ByteOrder; +import java.nio.charset.Charset; +import java.util.ArrayList; +import java.util.Arrays; +import java.util.List; + +import hdf.hdf5lib.H5; +import hdf.hdf5lib.HDF5Constants; + +public class H5Ex_T_CompoundAttribute { + private static String FILENAME = "H5Ex_T_CompoundAttribute.h5"; + private static String DATASETNAME = "DS1"; + private static String ATTRIBUTENAME = "A1"; + private static final int DIM0 = 4; + private static final int RANK = 1; + protected static final int INTEGERSIZE = 4; + protected static final int DOUBLESIZE = 8; + protected final static int MAXSTRINGSIZE = 80; + + static class Sensor_Datatype { + static int numberMembers = 4; + static int[] memberDims = {1, 1, 1, 1}; + + static String[] memberNames = {"Serial number", "Location", "Temperature (F)", "Pressure (inHg)"}; + static long[] memberMemTypes = {HDF5Constants.H5T_NATIVE_INT, HDF5Constants.H5T_C_S1, + HDF5Constants.H5T_NATIVE_DOUBLE, HDF5Constants.H5T_NATIVE_DOUBLE}; + static long[] memberFileTypes = {HDF5Constants.H5T_STD_I32BE, HDF5Constants.H5T_C_S1, + HDF5Constants.H5T_IEEE_F64BE, HDF5Constants.H5T_IEEE_F64BE}; + static int[] memberStorage = {INTEGERSIZE, MAXSTRINGSIZE, DOUBLESIZE, DOUBLESIZE}; + + // Data size is the storage size for the members not the object. + static long getTotalDataSize() + { + long data_size = 0; + for (int indx = 0; indx < numberMembers; indx++) + data_size += memberStorage[indx] * memberDims[indx]; + return DIM0 * data_size; + } + + static long getDataSize() + { + long data_size = 0; + for (int indx = 0; indx < numberMembers; indx++) + data_size += memberStorage[indx] * memberDims[indx]; + return data_size; + } + + static int getOffset(int memberItem) + { + int data_offset = 0; + for (int indx = 0; indx < memberItem; indx++) + data_offset += memberStorage[indx]; + return data_offset; + } + } + + static class Sensor { + public int serial_no; + public String location; + public double temperature; + public double pressure; + + Sensor(int serial_no, String location, double temperature, double pressure) + { + this.serial_no = serial_no; + this.location = location; + this.temperature = temperature; + this.pressure = pressure; + } + + Sensor(List data) + { + this.serial_no = (int)data.get(0); + this.location = (String)data.get(1); + this.temperature = (double)data.get(2); + this.pressure = (double)data.get(3); + } + + Sensor(ByteBuffer databuf, int dbposition) { readBuffer(databuf, dbposition); } + + void writeBuffer(ByteBuffer databuf, int dbposition) + { + databuf.putInt(dbposition + Sensor_Datatype.getOffset(0), serial_no); + byte[] temp_str = location.getBytes(Charset.forName("UTF-8")); + int arraylen = (temp_str.length > MAXSTRINGSIZE) ? MAXSTRINGSIZE : temp_str.length; + for (int ndx = 0; ndx < arraylen; ndx++) + databuf.put(dbposition + Sensor_Datatype.getOffset(1) + ndx, temp_str[ndx]); + for (int ndx = arraylen; ndx < MAXSTRINGSIZE; ndx++) + databuf.put(dbposition + Sensor_Datatype.getOffset(1) + arraylen, (byte)0); + databuf.putDouble(dbposition + Sensor_Datatype.getOffset(2), temperature); + databuf.putDouble(dbposition + Sensor_Datatype.getOffset(3), pressure); + } + + void readBuffer(ByteBuffer databuf, int dbposition) + { + this.serial_no = databuf.getInt(dbposition + Sensor_Datatype.getOffset(0)); + ByteBuffer stringbuf = databuf.duplicate(); + stringbuf.position(dbposition + Sensor_Datatype.getOffset(1)); + stringbuf.limit(dbposition + Sensor_Datatype.getOffset(1) + MAXSTRINGSIZE); + byte[] bytearr = new byte[stringbuf.remaining()]; + stringbuf.get(bytearr); + this.location = new String(bytearr, Charset.forName("UTF-8")).trim(); + this.temperature = databuf.getDouble(dbposition + Sensor_Datatype.getOffset(2)); + this.pressure = databuf.getDouble(dbposition + Sensor_Datatype.getOffset(3)); + } + + List get() + { + List data = new ArrayList<>(); + data.add(this.serial_no); + data.add(this.location); + data.add(this.temperature); + data.add(this.pressure); + return data; + } + + void put(List data) + { + this.serial_no = (int)data.get(0); + this.location = (String)data.get(1); + this.temperature = (double)data.get(2); + this.pressure = (double)data.get(3); + } + + @Override + public String toString() + { + return String.format("Serial number : " + serial_no + "%n" + + "Location : " + location + "%n" + + "Temperature (F) : " + temperature + "%n" + + "Pressure (inHg) : " + pressure + "%n"); + } + } + + private static void CreateDataset() + { + long file_id = HDF5Constants.H5I_INVALID_HID; + long strtype_id = HDF5Constants.H5I_INVALID_HID; + long memtype_id = HDF5Constants.H5I_INVALID_HID; + long filetype_id = HDF5Constants.H5I_INVALID_HID; + long dataspace_id = HDF5Constants.H5I_INVALID_HID; + long dataset_id = HDF5Constants.H5I_INVALID_HID; + long attribute_id = HDF5Constants.H5I_INVALID_HID; + long[] dims = {DIM0}; + ArrayList[] object_data = new ArrayList[DIM0]; + byte[] dset_data = null; + + // Initialize data. + object_data[0] = (ArrayList) new Sensor(1153, new String("Exterior (static)"), 53.23, 24.57).get(); + object_data[1] = (ArrayList) new Sensor(1184, new String("Intake"), 55.12, 22.95).get(); + object_data[2] = (ArrayList) new Sensor(1027, new String("Intake manifold"), 103.55, 31.23).get(); + object_data[3] = (ArrayList) new Sensor(1313, new String("Exhaust manifold"), 1252.89, 84.11).get(); + + // Create a new file using default properties. + try { + file_id = H5.H5Fcreate(FILENAME, HDF5Constants.H5F_ACC_TRUNC, HDF5Constants.H5P_DEFAULT, + HDF5Constants.H5P_DEFAULT); + } + catch (Exception e) { + e.printStackTrace(); + } + + // Create string datatype. + try { + strtype_id = H5.H5Tcopy(HDF5Constants.H5T_C_S1); + if (strtype_id >= 0) + H5.H5Tset_size(strtype_id, MAXSTRINGSIZE); + } + catch (Exception e) { + e.printStackTrace(); + } + + // Create the compound datatype for memory. + try { + memtype_id = H5.H5Tcreate(HDF5Constants.H5T_COMPOUND, Sensor_Datatype.getDataSize()); + if (memtype_id >= 0) { + for (int indx = 0; indx < Sensor_Datatype.numberMembers; indx++) { + long type_id = Sensor_Datatype.memberMemTypes[indx]; + if (type_id == HDF5Constants.H5T_C_S1) + type_id = strtype_id; + H5.H5Tinsert(memtype_id, Sensor_Datatype.memberNames[indx], + Sensor_Datatype.getOffset(indx), type_id); + } + } + } + catch (Exception e) { + e.printStackTrace(); + } + + // Create the compound datatype for the file. Because the standard + // types we are using for the file may have different sizes than + // the corresponding native types, we must manually calculate the + // offset of each member. + try { + filetype_id = H5.H5Tcreate(HDF5Constants.H5T_COMPOUND, Sensor_Datatype.getDataSize()); + if (filetype_id >= 0) { + for (int indx = 0; indx < Sensor_Datatype.numberMembers; indx++) { + long type_id = Sensor_Datatype.memberFileTypes[indx]; + if (type_id == HDF5Constants.H5T_C_S1) + type_id = strtype_id; + H5.H5Tinsert(filetype_id, Sensor_Datatype.memberNames[indx], + Sensor_Datatype.getOffset(indx), type_id); + } + } + } + catch (Exception e) { + e.printStackTrace(); + } + + // Create dataset with a scalar dataspace. + try { + dataspace_id = H5.H5Screate(HDF5Constants.H5S_SCALAR); + if (dataspace_id >= 0) { + dataset_id = H5.H5Dcreate(file_id, DATASETNAME, HDF5Constants.H5T_STD_I32LE, dataspace_id, + HDF5Constants.H5P_DEFAULT, HDF5Constants.H5P_DEFAULT, + HDF5Constants.H5P_DEFAULT); + H5.H5Sclose(dataspace_id); + dataspace_id = HDF5Constants.H5I_INVALID_HID; + } + } + catch (Exception e) { + e.printStackTrace(); + } + + // Create dataspace. Setting maximum size to NULL sets the maximum + // size to be the current size. + try { + dataspace_id = H5.H5Screate_simple(RANK, dims, null); + } + catch (Exception e) { + e.printStackTrace(); + } + + // Create the attribute. + try { + if ((dataset_id >= 0) && (dataspace_id >= 0) && (filetype_id >= 0)) + attribute_id = H5.H5Acreate(dataset_id, ATTRIBUTENAME, filetype_id, dataspace_id, + HDF5Constants.H5P_DEFAULT, HDF5Constants.H5P_DEFAULT); + } + catch (Exception e) { + e.printStackTrace(); + } + + // Write the compound data. + try { + if ((attribute_id >= 0) && (memtype_id >= 0)) + H5.H5AwriteVL(attribute_id, memtype_id, (Object[])object_data); + } + catch (Exception e) { + e.printStackTrace(); + } + + // End access to the dataset and release resources used by it. + try { + if (attribute_id >= 0) + H5.H5Aclose(attribute_id); + } + catch (Exception e) { + e.printStackTrace(); + } + + try { + if (dataset_id >= 0) + H5.H5Dclose(dataset_id); + } + catch (Exception e) { + e.printStackTrace(); + } + + // Terminate access to the data space. + try { + if (dataspace_id >= 0) + H5.H5Sclose(dataspace_id); + } + catch (Exception e) { + e.printStackTrace(); + } + + // Terminate access to the file type. + try { + if (filetype_id >= 0) + H5.H5Tclose(filetype_id); + } + catch (Exception e) { + e.printStackTrace(); + } + + // Terminate access to the mem type. + try { + if (memtype_id >= 0) + H5.H5Tclose(memtype_id); + } + catch (Exception e) { + e.printStackTrace(); + } + + try { + if (strtype_id >= 0) + H5.H5Tclose(strtype_id); + } + catch (Exception e) { + e.printStackTrace(); + } + + // Close the file. + try { + if (file_id >= 0) + H5.H5Fclose(file_id); + } + catch (Exception e) { + e.printStackTrace(); + } + } + + private static void ReadDataset() + { + long file_id = HDF5Constants.H5I_INVALID_HID; + long strtype_id = HDF5Constants.H5I_INVALID_HID; + long memtype_id = HDF5Constants.H5I_INVALID_HID; + long dataspace_id = HDF5Constants.H5I_INVALID_HID; + long dataset_id = HDF5Constants.H5I_INVALID_HID; + long attribute_id = HDF5Constants.H5I_INVALID_HID; + long[] dims = {DIM0}; + Sensor[] object_data2 = new Sensor[(int)dims[0]]; + + // Open an existing file. + try { + file_id = H5.H5Fopen(FILENAME, HDF5Constants.H5F_ACC_RDONLY, HDF5Constants.H5P_DEFAULT); + } + catch (Exception e) { + e.printStackTrace(); + } + + // Open an existing dataset. + try { + if (file_id >= 0) + dataset_id = H5.H5Dopen(file_id, DATASETNAME, HDF5Constants.H5P_DEFAULT); + } + catch (Exception e) { + e.printStackTrace(); + } + + try { + if (dataset_id >= 0) + attribute_id = H5.H5Aopen_by_name(dataset_id, ".", ATTRIBUTENAME, HDF5Constants.H5P_DEFAULT, + HDF5Constants.H5P_DEFAULT); + } + catch (Exception e) { + e.printStackTrace(); + } + + // Get dataspace and allocate memory for read buffer. This is a + // three dimensional dataset when the array datatype is included so + // the dynamic allocation must be done in steps. + try { + if (attribute_id >= 0) + dataspace_id = H5.H5Aget_space(attribute_id); + } + catch (Exception e) { + e.printStackTrace(); + } + + try { + if (dataspace_id >= 0) + H5.H5Sget_simple_extent_dims(dataspace_id, dims, null); + } + catch (Exception e) { + e.printStackTrace(); + } + + // Create string datatype. + try { + strtype_id = H5.H5Tcopy(HDF5Constants.H5T_C_S1); + if (strtype_id >= 0) + H5.H5Tset_size(strtype_id, MAXSTRINGSIZE); + } + catch (Exception e) { + e.printStackTrace(); + } + + // Create the compound datatype for memory. + try { + memtype_id = H5.H5Tcreate(HDF5Constants.H5T_COMPOUND, Sensor_Datatype.getDataSize()); + if (memtype_id >= 0) { + for (int indx = 0; indx < Sensor_Datatype.numberMembers; indx++) { + long type_id = Sensor_Datatype.memberMemTypes[indx]; + if (type_id == HDF5Constants.H5T_C_S1) + type_id = strtype_id; + H5.H5Tinsert(memtype_id, Sensor_Datatype.memberNames[indx], + Sensor_Datatype.getOffset(indx), type_id); + } + } + } + catch (Exception e) { + e.printStackTrace(); + } + + ArrayList[] object_data = new ArrayList[(int)dims[0]]; + + // Read data. + try { + if ((attribute_id >= 0) && (memtype_id >= 0)) + H5.H5AreadVL(attribute_id, memtype_id, (Object[])object_data); + + for (int indx = 0; indx < (int)dims[0]; indx++) { + object_data2[indx] = new Sensor(object_data[indx]); + } + } + catch (Exception e) { + e.printStackTrace(); + } + + // Output the data to the screen. + for (int indx = 0; indx < dims[0]; indx++) { + System.out.println(ATTRIBUTENAME + " [" + indx + "]:"); + System.out.println(object_data2[indx].toString()); + } + System.out.println(); + + try { + if (attribute_id >= 0) + H5.H5Aclose(attribute_id); + } + catch (Exception e) { + e.printStackTrace(); + } + + try { + if (dataset_id >= 0) + H5.H5Dclose(dataset_id); + } + catch (Exception e) { + e.printStackTrace(); + } + + // Terminate access to the data space. + try { + if (dataspace_id >= 0) + H5.H5Sclose(dataspace_id); + } + catch (Exception e) { + e.printStackTrace(); + } + + // Terminate access to the mem type. + try { + if (memtype_id >= 0) + H5.H5Tclose(memtype_id); + } + catch (Exception e) { + e.printStackTrace(); + } + + try { + if (strtype_id >= 0) + H5.H5Tclose(strtype_id); + } + catch (Exception e) { + e.printStackTrace(); + } + + // Close the file. + try { + if (file_id >= 0) + H5.H5Fclose(file_id); + } + catch (Exception e) { + e.printStackTrace(); + } + } + + public static void main(String[] args) + { + H5Ex_T_CompoundAttribute.CreateDataset(); + // Now we begin the read section of this example. Here we assume + // the dataset and array have the same name and rank, but can have + // any size. Therefore we must allocate a new array to read in + // data using malloc(). + H5Ex_T_CompoundAttribute.ReadDataset(); + } +} diff --git a/HDF5Examples/JAVA/H5T/H5Ex_T_Float.java b/HDF5Examples/JAVA/H5T/H5Ex_T_Float.java new file mode 100644 index 0000000..e062588 --- /dev/null +++ b/HDF5Examples/JAVA/H5T/H5Ex_T_Float.java @@ -0,0 +1,225 @@ +/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * + * Copyright by The HDF Group. * + * All rights reserved. * + * * + * This file is part of HDF5. The full HDF5 copyright notice, including * + * terms governing use, modification, and redistribution, is contained in * + * the COPYING file, which can be found at the root of the source code * + * distribution tree, or in https://www.hdfgroup.org/licenses. * + * If you do not have access to either file, you may request a copy from * + * help@hdfgroup.org. * + * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */ + +/************************************************************ + This example shows how to read and write integer datatypes + to a dataset. The program first writes integers to a + dataset with a dataspace of DIM0xDIM1, then closes the + file. Next, it reopens the file, reads back the data, and + outputs it to the screen. + ************************************************************/ + +import java.text.DecimalFormat; +import java.text.DecimalFormatSymbols; +import java.util.Locale; + +import hdf.hdf5lib.H5; +import hdf.hdf5lib.HDF5Constants; + +public class H5Ex_T_Float { + private static String FILENAME = "H5Ex_T_Float.h5"; + private static String DATASETNAME = "DS1"; + private static final int DIM0 = 4; + private static final int DIM1 = 7; + private static final int RANK = 2; + + private static void CreateDataset() + { + long file_id = HDF5Constants.H5I_INVALID_HID; + long dataspace_id = HDF5Constants.H5I_INVALID_HID; + long dataset_id = HDF5Constants.H5I_INVALID_HID; + long[] dims = {DIM0, DIM1}; + double[][] dset_data = new double[DIM0][DIM1]; + + // Initialize data. + for (int indx = 0; indx < DIM0; indx++) + for (int jndx = 0; jndx < DIM1; jndx++) { + dset_data[indx][jndx] = indx / (jndx + 0.5) + jndx; + } + + // Create a new file using default properties. + try { + file_id = H5.H5Fcreate(FILENAME, HDF5Constants.H5F_ACC_TRUNC, HDF5Constants.H5P_DEFAULT, + HDF5Constants.H5P_DEFAULT); + } + catch (Exception e) { + e.printStackTrace(); + } + + // Create dataspace. Setting maximum size to NULL sets the maximum + // size to be the current size. + try { + dataspace_id = H5.H5Screate_simple(RANK, dims, null); + } + catch (Exception e) { + e.printStackTrace(); + } + + // Create the dataset and write the floating point data to it. In + // this example we will save the data as 64 bit little endian IEEE + // floating point numbers, regardless of the native type. The HDF5 + // library automatically converts between different floating point + // types. + try { + if ((file_id >= 0) && (dataspace_id >= 0)) + dataset_id = H5.H5Dcreate(file_id, DATASETNAME, HDF5Constants.H5T_IEEE_F64LE, dataspace_id, + HDF5Constants.H5P_DEFAULT, HDF5Constants.H5P_DEFAULT, + HDF5Constants.H5P_DEFAULT); + } + catch (Exception e) { + e.printStackTrace(); + } + + // Write the data to the dataset. + try { + if (dataset_id >= 0) + H5.H5Dwrite(dataset_id, HDF5Constants.H5T_NATIVE_DOUBLE, HDF5Constants.H5S_ALL, + HDF5Constants.H5S_ALL, HDF5Constants.H5P_DEFAULT, dset_data); + } + catch (Exception e) { + e.printStackTrace(); + } + + // End access to the dataset and release resources used by it. + try { + if (dataset_id >= 0) + H5.H5Dclose(dataset_id); + } + catch (Exception e) { + e.printStackTrace(); + } + + // Terminate access to the data space. + try { + if (dataspace_id >= 0) + H5.H5Sclose(dataspace_id); + } + catch (Exception e) { + e.printStackTrace(); + } + + // Close the file. + try { + if (file_id >= 0) + H5.H5Fclose(file_id); + } + catch (Exception e) { + e.printStackTrace(); + } + } + + private static void ReadDataset() + { + long file_id = HDF5Constants.H5I_INVALID_HID; + long dataspace_id = HDF5Constants.H5I_INVALID_HID; + long dataset_id = HDF5Constants.H5I_INVALID_HID; + long[] dims = {DIM0, DIM1}; + double[][] dset_data; + + // Open an existing file. + try { + file_id = H5.H5Fopen(FILENAME, HDF5Constants.H5F_ACC_RDONLY, HDF5Constants.H5P_DEFAULT); + } + catch (Exception e) { + e.printStackTrace(); + } + + // Open an existing dataset. + try { + if (file_id >= 0) + dataset_id = H5.H5Dopen(file_id, DATASETNAME, HDF5Constants.H5P_DEFAULT); + } + catch (Exception e) { + e.printStackTrace(); + } + + // Get dataspace and allocate memory for read buffer. + try { + if (dataset_id >= 0) + dataspace_id = H5.H5Dget_space(dataset_id); + } + catch (Exception e) { + e.printStackTrace(); + } + + try { + if (dataspace_id >= 0) + H5.H5Sget_simple_extent_dims(dataspace_id, dims, null); + } + catch (Exception e) { + e.printStackTrace(); + } + + // Allocate array of pointers to two-dimensional arrays (the + // elements of the dataset. + dset_data = new double[(int)dims[0]][(int)(dims[1])]; + + // Read data. + try { + if (dataset_id >= 0) + H5.H5Dread(dataset_id, HDF5Constants.H5T_NATIVE_DOUBLE, HDF5Constants.H5S_ALL, + HDF5Constants.H5S_ALL, HDF5Constants.H5P_DEFAULT, dset_data); + } + catch (Exception e) { + e.printStackTrace(); + } + + // Output the data to the screen. + DecimalFormat df = new DecimalFormat("#,##0.0000", new DecimalFormatSymbols(Locale.US)); + System.out.println(DATASETNAME + ":"); + for (int indx = 0; indx < dims[0]; indx++) { + System.out.print(" ["); + for (int jndx = 0; jndx < dims[1]; jndx++) { + System.out.print(" " + df.format(dset_data[indx][jndx])); + } + System.out.println("]"); + } + System.out.println(); + + // End access to the dataset and release resources used by it. + try { + if (dataset_id >= 0) + H5.H5Dclose(dataset_id); + } + catch (Exception e) { + e.printStackTrace(); + } + + // Terminate access to the data space. + try { + if (dataspace_id >= 0) + H5.H5Sclose(dataspace_id); + } + catch (Exception e) { + e.printStackTrace(); + } + + // Close the file. + try { + if (file_id >= 0) + H5.H5Fclose(file_id); + } + catch (Exception e) { + e.printStackTrace(); + } + } + + public static void main(String[] args) + { + H5Ex_T_Float.CreateDataset(); + // Now we begin the read section of this example. Here we assume + // the dataset and array have the same name and rank, but can have + // any size. Therefore we must allocate a new array to read in + // data using malloc(). + H5Ex_T_Float.ReadDataset(); + } +} diff --git a/HDF5Examples/JAVA/H5T/H5Ex_T_FloatAttribute.java b/HDF5Examples/JAVA/H5T/H5Ex_T_FloatAttribute.java new file mode 100644 index 0000000..ffb8467 --- /dev/null +++ b/HDF5Examples/JAVA/H5T/H5Ex_T_FloatAttribute.java @@ -0,0 +1,262 @@ +/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * + * Copyright by The HDF Group. * + * All rights reserved. * + * * + * This file is part of HDF5. The full HDF5 copyright notice, including * + * terms governing use, modification, and redistribution, is contained in * + * the COPYING file, which can be found at the root of the source code * + * distribution tree, or in https://www.hdfgroup.org/licenses. * + * If you do not have access to either file, you may request a copy from * + * help@hdfgroup.org. * + * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */ + +/************************************************************ + This example shows how to read and write floating point + datatypes to an attribute. The program first writes + floating point numbers to an attribute with a dataspace of + DIM0xDIM1, then closes the file. Next, it reopens the + file, reads back the data, and outputs it to the screen. + ************************************************************/ + +import java.text.DecimalFormat; +import java.text.DecimalFormatSymbols; +import java.util.Locale; + +import hdf.hdf5lib.H5; +import hdf.hdf5lib.HDF5Constants; + +public class H5Ex_T_FloatAttribute { + private static String FILENAME = "H5Ex_T_FloatAttribute.h5"; + private static String DATASETNAME = "DS1"; + private static String ATTRIBUTENAME = "A1"; + private static final int DIM0 = 4; + private static final int DIM1 = 7; + private static final int RANK = 2; + + private static void CreateDataset() + { + long file_id = HDF5Constants.H5I_INVALID_HID; + long dataspace_id = HDF5Constants.H5I_INVALID_HID; + long dataset_id = HDF5Constants.H5I_INVALID_HID; + long attribute_id = HDF5Constants.H5I_INVALID_HID; + long[] dims = {DIM0, DIM1}; + double[][] dset_data = new double[DIM0][DIM1]; + + // Initialize data. + for (int indx = 0; indx < DIM0; indx++) + for (int jndx = 0; jndx < DIM1; jndx++) { + dset_data[indx][jndx] = indx / (jndx + 0.5) + jndx; + } + + // Create a new file using default properties. + try { + file_id = H5.H5Fcreate(FILENAME, HDF5Constants.H5F_ACC_TRUNC, HDF5Constants.H5P_DEFAULT, + HDF5Constants.H5P_DEFAULT); + } + catch (Exception e) { + e.printStackTrace(); + } + + // Create dataset with a scalar dataspace. + try { + dataspace_id = H5.H5Screate(HDF5Constants.H5S_SCALAR); + if (dataspace_id >= 0) { + dataset_id = H5.H5Dcreate(file_id, DATASETNAME, HDF5Constants.H5T_STD_I32LE, dataspace_id, + HDF5Constants.H5P_DEFAULT, HDF5Constants.H5P_DEFAULT, + HDF5Constants.H5P_DEFAULT); + H5.H5Sclose(dataspace_id); + dataspace_id = HDF5Constants.H5I_INVALID_HID; + } + } + catch (Exception e) { + e.printStackTrace(); + } + + // Create dataspace. Setting maximum size to NULL sets the maximum + // size to be the current size. + try { + dataspace_id = H5.H5Screate_simple(RANK, dims, null); + } + catch (Exception e) { + e.printStackTrace(); + } + + // Create the attribute and write the array data to it. + try { + if ((dataset_id >= 0) && (dataspace_id >= 0)) + attribute_id = + H5.H5Acreate(dataset_id, ATTRIBUTENAME, HDF5Constants.H5T_IEEE_F64LE, dataspace_id, + HDF5Constants.H5P_DEFAULT, HDF5Constants.H5P_DEFAULT); + } + catch (Exception e) { + e.printStackTrace(); + } + + // Write the dataset. + try { + if (attribute_id >= 0) + H5.H5Awrite(attribute_id, HDF5Constants.H5T_NATIVE_DOUBLE, dset_data); + } + catch (Exception e) { + e.printStackTrace(); + } + + // End access to the dataset and release resources used by it. + try { + if (attribute_id >= 0) + H5.H5Aclose(attribute_id); + } + catch (Exception e) { + e.printStackTrace(); + } + + try { + if (dataset_id >= 0) + H5.H5Dclose(dataset_id); + } + catch (Exception e) { + e.printStackTrace(); + } + + // Terminate access to the data space. + try { + if (dataspace_id >= 0) + H5.H5Sclose(dataspace_id); + } + catch (Exception e) { + e.printStackTrace(); + } + + // Close the file. + try { + if (file_id >= 0) + H5.H5Fclose(file_id); + } + catch (Exception e) { + e.printStackTrace(); + } + } + + private static void ReadDataset() + { + long file_id = HDF5Constants.H5I_INVALID_HID; + long dataspace_id = HDF5Constants.H5I_INVALID_HID; + long dataset_id = HDF5Constants.H5I_INVALID_HID; + long attribute_id = HDF5Constants.H5I_INVALID_HID; + long[] dims = {DIM0, DIM1}; + double[][] dset_data; + + // Open an existing file. + try { + file_id = H5.H5Fopen(FILENAME, HDF5Constants.H5F_ACC_RDONLY, HDF5Constants.H5P_DEFAULT); + } + catch (Exception e) { + e.printStackTrace(); + } + + // Open an existing dataset. + try { + if (file_id >= 0) + dataset_id = H5.H5Dopen(file_id, DATASETNAME, HDF5Constants.H5P_DEFAULT); + } + catch (Exception e) { + e.printStackTrace(); + } + + try { + if (dataset_id >= 0) + attribute_id = H5.H5Aopen_by_name(dataset_id, ".", ATTRIBUTENAME, HDF5Constants.H5P_DEFAULT, + HDF5Constants.H5P_DEFAULT); + } + catch (Exception e) { + e.printStackTrace(); + } + + // Get dataspace and allocate memory for read buffer. + try { + if (attribute_id >= 0) + dataspace_id = H5.H5Aget_space(attribute_id); + } + catch (Exception e) { + e.printStackTrace(); + } + + try { + if (dataspace_id >= 0) + H5.H5Sget_simple_extent_dims(dataspace_id, dims, null); + } + catch (Exception e) { + e.printStackTrace(); + } + + // Allocate array of pointers to two-dimensional arrays (the + // elements of the dataset. + dset_data = new double[(int)dims[0]][(int)(dims[1])]; + + // Read data. + try { + if (attribute_id >= 0) + H5.H5Aread(attribute_id, HDF5Constants.H5T_NATIVE_DOUBLE, dset_data); + } + catch (Exception e) { + e.printStackTrace(); + } + + // Output the data to the screen. + DecimalFormat df = new DecimalFormat("#,##0.0000", new DecimalFormatSymbols(Locale.US)); + System.out.println(ATTRIBUTENAME + ":"); + for (int indx = 0; indx < dims[0]; indx++) { + System.out.print(" ["); + for (int jndx = 0; jndx < dims[1]; jndx++) { + System.out.print(" " + df.format(dset_data[indx][jndx])); + } + System.out.println("]"); + } + System.out.println(); + + // End access to the dataset and release resources used by it. + try { + if (attribute_id >= 0) + H5.H5Aclose(attribute_id); + } + catch (Exception e) { + e.printStackTrace(); + } + + try { + if (dataset_id >= 0) + H5.H5Dclose(dataset_id); + } + catch (Exception e) { + e.printStackTrace(); + } + + // Terminate access to the data space. + try { + if (dataspace_id >= 0) + H5.H5Sclose(dataspace_id); + } + catch (Exception e) { + e.printStackTrace(); + } + + // Close the file. + try { + if (file_id >= 0) + H5.H5Fclose(file_id); + } + catch (Exception e) { + e.printStackTrace(); + } + } + + public static void main(String[] args) + { + H5Ex_T_FloatAttribute.CreateDataset(); + // Now we begin the read section of this example. Here we assume + // the dataset and array have the same name and rank, but can have + // any size. Therefore we must allocate a new array to read in + // data using malloc(). + H5Ex_T_FloatAttribute.ReadDataset(); + } +} diff --git a/HDF5Examples/JAVA/H5T/H5Ex_T_Integer.java b/HDF5Examples/JAVA/H5T/H5Ex_T_Integer.java new file mode 100644 index 0000000..afae2b0 --- /dev/null +++ b/HDF5Examples/JAVA/H5T/H5Ex_T_Integer.java @@ -0,0 +1,222 @@ +/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * + * Copyright by The HDF Group. * + * All rights reserved. * + * * + * This file is part of HDF5. The full HDF5 copyright notice, including * + * terms governing use, modification, and redistribution, is contained in * + * the COPYING file, which can be found at the root of the source code * + * distribution tree, or in https://www.hdfgroup.org/licenses. * + * If you do not have access to either file, you may request a copy from * + * help@hdfgroup.org. * + * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */ + +/************************************************************ + This example shows how to read and write integer datatypes + to a dataset. The program first writes integers to a + dataset with a dataspace of DIM0xDIM1, then closes the + file. Next, it reopens the file, reads back the data, and + outputs it to the screen. + ************************************************************/ + +import java.text.DecimalFormat; + +import hdf.hdf5lib.H5; +import hdf.hdf5lib.HDF5Constants; + +public class H5Ex_T_Integer { + private static String FILENAME = "H5Ex_T_Integer.h5"; + private static String DATASETNAME = "DS1"; + private static final int DIM0 = 4; + private static final int DIM1 = 7; + private static final int RANK = 2; + + private static void CreateDataset() + { + long file_id = HDF5Constants.H5I_INVALID_HID; + long dataspace_id = HDF5Constants.H5I_INVALID_HID; + long dataset_id = HDF5Constants.H5I_INVALID_HID; + long[] dims = {DIM0, DIM1}; + int[][] dset_data = new int[DIM0][DIM1]; + + // Initialize data. + for (int indx = 0; indx < DIM0; indx++) + for (int jndx = 0; jndx < DIM1; jndx++) { + dset_data[indx][jndx] = indx * jndx - jndx; + } + + // Create a new file using default properties. + try { + file_id = H5.H5Fcreate(FILENAME, HDF5Constants.H5F_ACC_TRUNC, HDF5Constants.H5P_DEFAULT, + HDF5Constants.H5P_DEFAULT); + } + catch (Exception e) { + e.printStackTrace(); + } + + // Create dataspace. Setting maximum size to NULL sets the maximum + // size to be the current size. + try { + dataspace_id = H5.H5Screate_simple(RANK, dims, null); + } + catch (Exception e) { + e.printStackTrace(); + } + + // Create the dataset and write the integer data to it. In this + // example we will save the data as 64 bit big endian integers, + // regardless of the native integer type. The HDF5 library + // automatically converts between different integer types. + try { + if ((file_id >= 0) && (dataspace_id >= 0)) + dataset_id = H5.H5Dcreate(file_id, DATASETNAME, HDF5Constants.H5T_STD_I64BE, dataspace_id, + HDF5Constants.H5P_DEFAULT, HDF5Constants.H5P_DEFAULT, + HDF5Constants.H5P_DEFAULT); + } + catch (Exception e) { + e.printStackTrace(); + } + + // Write the data to the dataset. + try { + if (dataset_id >= 0) + H5.H5Dwrite(dataset_id, HDF5Constants.H5T_NATIVE_INT, HDF5Constants.H5S_ALL, + HDF5Constants.H5S_ALL, HDF5Constants.H5P_DEFAULT, dset_data); + } + catch (Exception e) { + e.printStackTrace(); + } + + // End access to the dataset and release resources used by it. + try { + if (dataset_id >= 0) + H5.H5Dclose(dataset_id); + } + catch (Exception e) { + e.printStackTrace(); + } + + // Terminate access to the data space. + try { + if (dataspace_id >= 0) + H5.H5Sclose(dataspace_id); + } + catch (Exception e) { + e.printStackTrace(); + } + + // Close the file. + try { + if (file_id >= 0) + H5.H5Fclose(file_id); + } + catch (Exception e) { + e.printStackTrace(); + } + } + + private static void ReadDataset() + { + long file_id = HDF5Constants.H5I_INVALID_HID; + long dataspace_id = HDF5Constants.H5I_INVALID_HID; + long dataset_id = HDF5Constants.H5I_INVALID_HID; + long[] dims = {DIM0, DIM1}; + int[][] dset_data; + + // Open an existing file. + try { + file_id = H5.H5Fopen(FILENAME, HDF5Constants.H5F_ACC_RDONLY, HDF5Constants.H5P_DEFAULT); + } + catch (Exception e) { + e.printStackTrace(); + } + + // Open an existing dataset. + try { + if (file_id >= 0) + dataset_id = H5.H5Dopen(file_id, DATASETNAME, HDF5Constants.H5P_DEFAULT); + } + catch (Exception e) { + e.printStackTrace(); + } + + // Get dataspace and allocate memory for read buffer. + try { + if (dataset_id >= 0) + dataspace_id = H5.H5Dget_space(dataset_id); + } + catch (Exception e) { + e.printStackTrace(); + } + + try { + if (dataspace_id >= 0) + H5.H5Sget_simple_extent_dims(dataspace_id, dims, null); + } + catch (Exception e) { + e.printStackTrace(); + } + + // Allocate array of pointers to two-dimensional arrays (the + // elements of the dataset. + dset_data = new int[(int)dims[0]][(int)(dims[1])]; + + // Read data. + try { + if (dataset_id >= 0) + H5.H5Dread(dataset_id, HDF5Constants.H5T_NATIVE_INT, HDF5Constants.H5S_ALL, + HDF5Constants.H5S_ALL, HDF5Constants.H5P_DEFAULT, dset_data); + } + catch (Exception e) { + e.printStackTrace(); + } + + // Output the data to the screen. + DecimalFormat df = new DecimalFormat("#,##0"); + System.out.println(DATASETNAME + ":"); + for (int indx = 0; indx < dims[0]; indx++) { + System.out.print(" ["); + for (int jndx = 0; jndx < dims[1]; jndx++) { + System.out.print(" " + df.format(dset_data[indx][jndx])); + } + System.out.println("]"); + } + System.out.println(); + + // End access to the dataset and release resources used by it. + try { + if (dataset_id >= 0) + H5.H5Dclose(dataset_id); + } + catch (Exception e) { + e.printStackTrace(); + } + + // Terminate access to the data space. + try { + if (dataspace_id >= 0) + H5.H5Sclose(dataspace_id); + } + catch (Exception e) { + e.printStackTrace(); + } + + // Close the file. + try { + if (file_id >= 0) + H5.H5Fclose(file_id); + } + catch (Exception e) { + e.printStackTrace(); + } + } + + public static void main(String[] args) + { + H5Ex_T_Integer.CreateDataset(); + // Now we begin the read section of this example. Here we assume + // the dataset and array have the same name and rank, but can have + // any size. Therefore we must allocate a new array to read in + // data using malloc(). + H5Ex_T_Integer.ReadDataset(); + } +} diff --git a/HDF5Examples/JAVA/H5T/H5Ex_T_IntegerAttribute.java b/HDF5Examples/JAVA/H5T/H5Ex_T_IntegerAttribute.java new file mode 100644 index 0000000..be4a878 --- /dev/null +++ b/HDF5Examples/JAVA/H5T/H5Ex_T_IntegerAttribute.java @@ -0,0 +1,260 @@ +/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * + * Copyright by The HDF Group. * + * All rights reserved. * + * * + * This file is part of HDF5. The full HDF5 copyright notice, including * + * terms governing use, modification, and redistribution, is contained in * + * the COPYING file, which can be found at the root of the source code * + * distribution tree, or in https://www.hdfgroup.org/licenses. * + * If you do not have access to either file, you may request a copy from * + * help@hdfgroup.org. * + * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */ + +/************************************************************ + This example shows how to read and write integer datatypes + to an attribute. The program first writes integers to an + attribute with a dataspace of DIM0xDIM1, then closes the + file. Next, it reopens the file, reads back the data, and + outputs it to the screen. + ************************************************************/ + +import java.text.DecimalFormat; + +import hdf.hdf5lib.H5; +import hdf.hdf5lib.HDF5Constants; + +public class H5Ex_T_IntegerAttribute { + private static String FILENAME = "H5Ex_T_IntegerAttribute.h5"; + private static String DATASETNAME = "DS1"; + private static String ATTRIBUTENAME = "A1"; + private static final int DIM0 = 4; + private static final int DIM1 = 7; + private static final int RANK = 2; + + private static void CreateDataset() + { + long file_id = HDF5Constants.H5I_INVALID_HID; + long dataspace_id = HDF5Constants.H5I_INVALID_HID; + long dataset_id = HDF5Constants.H5I_INVALID_HID; + long attribute_id = HDF5Constants.H5I_INVALID_HID; + long[] dims = {DIM0, DIM1}; + int[][] dset_data = new int[DIM0][DIM1]; + + // Initialize data. + for (int indx = 0; indx < DIM0; indx++) + for (int jndx = 0; jndx < DIM1; jndx++) { + dset_data[indx][jndx] = indx * jndx - jndx; + } + + // Create a new file using default properties. + try { + file_id = H5.H5Fcreate(FILENAME, HDF5Constants.H5F_ACC_TRUNC, HDF5Constants.H5P_DEFAULT, + HDF5Constants.H5P_DEFAULT); + } + catch (Exception e) { + e.printStackTrace(); + } + + // Create dataset with a scalar dataspace. + try { + dataspace_id = H5.H5Screate(HDF5Constants.H5S_SCALAR); + if (dataspace_id >= 0) { + dataset_id = H5.H5Dcreate(file_id, DATASETNAME, HDF5Constants.H5T_STD_I32LE, dataspace_id, + HDF5Constants.H5P_DEFAULT, HDF5Constants.H5P_DEFAULT, + HDF5Constants.H5P_DEFAULT); + H5.H5Sclose(dataspace_id); + dataspace_id = HDF5Constants.H5I_INVALID_HID; + } + } + catch (Exception e) { + e.printStackTrace(); + } + + // Create dataspace. Setting maximum size to NULL sets the maximum + // size to be the current size. + try { + dataspace_id = H5.H5Screate_simple(RANK, dims, null); + } + catch (Exception e) { + e.printStackTrace(); + } + + // Create the attribute and write the array data to it. + try { + if ((dataset_id >= 0) && (dataspace_id >= 0)) + attribute_id = + H5.H5Acreate(dataset_id, ATTRIBUTENAME, HDF5Constants.H5T_STD_I64BE, dataspace_id, + HDF5Constants.H5P_DEFAULT, HDF5Constants.H5P_DEFAULT); + } + catch (Exception e) { + e.printStackTrace(); + } + + // Write the dataset. + try { + if (attribute_id >= 0) + H5.H5Awrite(attribute_id, HDF5Constants.H5T_NATIVE_INT, dset_data); + } + catch (Exception e) { + e.printStackTrace(); + } + + // End access to the dataset and release resources used by it. + try { + if (attribute_id >= 0) + H5.H5Aclose(attribute_id); + } + catch (Exception e) { + e.printStackTrace(); + } + + try { + if (dataset_id >= 0) + H5.H5Dclose(dataset_id); + } + catch (Exception e) { + e.printStackTrace(); + } + + // Terminate access to the data space. + try { + if (dataspace_id >= 0) + H5.H5Sclose(dataspace_id); + } + catch (Exception e) { + e.printStackTrace(); + } + + // Close the file. + try { + if (file_id >= 0) + H5.H5Fclose(file_id); + } + catch (Exception e) { + e.printStackTrace(); + } + } + + private static void ReadDataset() + { + long file_id = HDF5Constants.H5I_INVALID_HID; + long dataspace_id = HDF5Constants.H5I_INVALID_HID; + long dataset_id = HDF5Constants.H5I_INVALID_HID; + long attribute_id = HDF5Constants.H5I_INVALID_HID; + long[] dims = {DIM0, DIM1}; + int[][] dset_data; + + // Open an existing file. + try { + file_id = H5.H5Fopen(FILENAME, HDF5Constants.H5F_ACC_RDONLY, HDF5Constants.H5P_DEFAULT); + } + catch (Exception e) { + e.printStackTrace(); + } + + // Open an existing dataset. + try { + if (file_id >= 0) + dataset_id = H5.H5Dopen(file_id, DATASETNAME, HDF5Constants.H5P_DEFAULT); + } + catch (Exception e) { + e.printStackTrace(); + } + + try { + if (dataset_id >= 0) + attribute_id = H5.H5Aopen_by_name(dataset_id, ".", ATTRIBUTENAME, HDF5Constants.H5P_DEFAULT, + HDF5Constants.H5P_DEFAULT); + } + catch (Exception e) { + e.printStackTrace(); + } + + // Get dataspace and allocate memory for read buffer. + try { + if (attribute_id >= 0) + dataspace_id = H5.H5Aget_space(attribute_id); + } + catch (Exception e) { + e.printStackTrace(); + } + + try { + if (dataspace_id >= 0) + H5.H5Sget_simple_extent_dims(dataspace_id, dims, null); + } + catch (Exception e) { + e.printStackTrace(); + } + + // Allocate array of pointers to two-dimensional arrays (the + // elements of the dataset. + dset_data = new int[(int)dims[0]][(int)(dims[1])]; + + // Read data. + try { + if (attribute_id >= 0) + H5.H5Aread(attribute_id, HDF5Constants.H5T_NATIVE_INT, dset_data); + } + catch (Exception e) { + e.printStackTrace(); + } + + // Output the data to the screen. + DecimalFormat df = new DecimalFormat("#,##0"); + System.out.println(ATTRIBUTENAME + ":"); + for (int indx = 0; indx < dims[0]; indx++) { + System.out.print(" ["); + for (int jndx = 0; jndx < dims[1]; jndx++) { + System.out.print(" " + df.format(dset_data[indx][jndx])); + } + System.out.println("]"); + } + System.out.println(); + + // End access to the dataset and release resources used by it. + try { + if (attribute_id >= 0) + H5.H5Aclose(attribute_id); + } + catch (Exception e) { + e.printStackTrace(); + } + + try { + if (dataset_id >= 0) + H5.H5Dclose(dataset_id); + } + catch (Exception e) { + e.printStackTrace(); + } + + // Terminate access to the data space. + try { + if (dataspace_id >= 0) + H5.H5Sclose(dataspace_id); + } + catch (Exception e) { + e.printStackTrace(); + } + + // Close the file. + try { + if (file_id >= 0) + H5.H5Fclose(file_id); + } + catch (Exception e) { + e.printStackTrace(); + } + } + + public static void main(String[] args) + { + H5Ex_T_IntegerAttribute.CreateDataset(); + // Now we begin the read section of this example. Here we assume + // the dataset and array have the same name and rank, but can have + // any size. Therefore we must allocate a new array to read in + // data using malloc(). + H5Ex_T_IntegerAttribute.ReadDataset(); + } +} diff --git a/HDF5Examples/JAVA/H5T/H5Ex_T_ObjectReference.java b/HDF5Examples/JAVA/H5T/H5Ex_T_ObjectReference.java new file mode 100644 index 0000000..2b61794 --- /dev/null +++ b/HDF5Examples/JAVA/H5T/H5Ex_T_ObjectReference.java @@ -0,0 +1,323 @@ +/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * + * Copyright by The HDF Group. * + * All rights reserved. * + * * + * This file is part of HDF5. The full HDF5 copyright notice, including * + * terms governing use, modification, and redistribution, is contained in * + * the COPYING file, which can be found at the root of the source code * + * distribution tree, or in https://www.hdfgroup.org/licenses. * + * If you do not have access to either file, you may request a copy from * + * help@hdfgroup.org. * + * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */ + +/************************************************************ + This example shows how to read and write object references + to a dataset. The program first creates objects in the + file and writes references to those objects to a dataset + with a dataspace of DIM0, then closes the file. Next, it + reopens the file, dereferences the references, and outputs + the names of their targets to the screen. + ************************************************************/ + +import java.util.EnumSet; +import java.util.HashMap; +import java.util.Map; + +import hdf.hdf5lib.H5; +import hdf.hdf5lib.HDF5Constants; + +public class H5Ex_T_ObjectReference { + private static String FILENAME = "H5Ex_T_ObjectReference.h5"; + private static String DATASETNAME = "DS1"; + private static String DATASETNAME2 = "DS2"; + private static String GROUPNAME = "G1"; + private static final int DIM0 = 2; + private static final int RANK = 1; + + // Values for the status of space allocation + enum H5G_obj { + H5G_UNKNOWN(HDF5Constants.H5O_TYPE_UNKNOWN), /* Unknown object type */ + H5G_GROUP(HDF5Constants.H5O_TYPE_GROUP), /* Object is a group */ + H5G_DATASET(HDF5Constants.H5O_TYPE_DATASET), /* Object is a dataset */ + H5G_TYPE(HDF5Constants.H5O_TYPE_NAMED_DATATYPE); /* Object is a named data type */ + private static final Map<Integer, H5G_obj> lookup = new HashMap<Integer, H5G_obj>(); + + static + { + for (H5G_obj s : EnumSet.allOf(H5G_obj.class)) + lookup.put(s.getCode(), s); + } + + private int code; + + H5G_obj(int layout_type) { this.code = layout_type; } + + public int getCode() { return this.code; } + + public static H5G_obj get(int code) { return lookup.get(code); } + } + + private static void writeObjRef() + { + long file_id = HDF5Constants.H5I_INVALID_HID; + long dataspace_id = HDF5Constants.H5I_INVALID_HID; + long filespace_id = HDF5Constants.H5I_INVALID_HID; + long group_id = HDF5Constants.H5I_INVALID_HID; + long dataset_id = HDF5Constants.H5I_INVALID_HID; + long[] dims = {DIM0}; + byte[][] dset_data = new byte[DIM0][HDF5Constants.H5R_REF_BUF_SIZE]; + + // Create a new file using default properties. + try { + file_id = H5.H5Fcreate(FILENAME, HDF5Constants.H5F_ACC_TRUNC, HDF5Constants.H5P_DEFAULT, + HDF5Constants.H5P_DEFAULT); + } + catch (Exception e) { + e.printStackTrace(); + } + + // Create dataset with a scalar dataspace. + try { + dataspace_id = H5.H5Screate(HDF5Constants.H5S_SCALAR); + if ((file_id >= 0) && (dataspace_id >= 0)) { + dataset_id = H5.H5Dcreate(file_id, DATASETNAME2, HDF5Constants.H5T_STD_I32LE, dataspace_id, + HDF5Constants.H5P_DEFAULT, HDF5Constants.H5P_DEFAULT, + HDF5Constants.H5P_DEFAULT); + if (dataset_id >= 0) + H5.H5Dclose(dataset_id); + dataset_id = HDF5Constants.H5I_INVALID_HID; + H5.H5Sclose(dataspace_id); + dataspace_id = HDF5Constants.H5I_INVALID_HID; + } + } + catch (Exception e) { + e.printStackTrace(); + } + + // Create a group in the file. + try { + if (file_id >= 0) + group_id = H5.H5Gcreate(file_id, GROUPNAME, HDF5Constants.H5P_DEFAULT, + HDF5Constants.H5P_DEFAULT, HDF5Constants.H5P_DEFAULT); + if (group_id >= 0) + H5.H5Gclose(group_id); + group_id = HDF5Constants.H5I_INVALID_HID; + } + catch (Exception e) { + e.printStackTrace(); + } + + try { + if (file_id >= 0) { + try { + dset_data[0] = H5.H5Rcreate_object(file_id, GROUPNAME, HDF5Constants.H5P_DEFAULT); + } + catch (Throwable err) { + err.printStackTrace(); + } + + try { + dset_data[1] = H5.H5Rcreate_object(file_id, DATASETNAME2, HDF5Constants.H5P_DEFAULT); + } + catch (Throwable err) { + err.printStackTrace(); + } + } + + // Create dataspace. Setting maximum size to NULL sets the maximum + // size to be the current size. + try { + filespace_id = H5.H5Screate_simple(RANK, dims, null); + } + catch (Exception e) { + e.printStackTrace(); + } + + // Create the dataset. + try { + if ((file_id >= 0) && (filespace_id >= 0)) + dataset_id = H5.H5Dcreate(file_id, DATASETNAME, HDF5Constants.H5T_STD_REF, filespace_id, + HDF5Constants.H5P_DEFAULT, HDF5Constants.H5P_DEFAULT, + HDF5Constants.H5P_DEFAULT); + } + catch (Exception e) { + e.printStackTrace(); + } + + // Write the object references to it. + try { + if (dataset_id >= 0) + H5.H5Dwrite(dataset_id, HDF5Constants.H5T_STD_REF, HDF5Constants.H5S_ALL, + HDF5Constants.H5S_ALL, HDF5Constants.H5P_DEFAULT, dset_data); + } + catch (Exception e) { + e.printStackTrace(); + } + } + catch (Exception ex) { + ex.printStackTrace(); + } + finally { + try { + H5.H5Rdestroy(dset_data[1]); + } + catch (Exception ex) { + } + try { + H5.H5Rdestroy(dset_data[0]); + } + catch (Exception ex) { + } + } + + // End access to the dataset and release resources used by it. + + try { + if (dataset_id >= 0) + H5.H5Dclose(dataset_id); + } + catch (Exception e) { + e.printStackTrace(); + } + + try { + if (filespace_id >= 0) + H5.H5Sclose(filespace_id); + } + catch (Exception e) { + e.printStackTrace(); + } + + // Close the file. + try { + if (file_id >= 0) + H5.H5Fclose(file_id); + } + catch (Exception e) { + e.printStackTrace(); + } + } + + private static void readObjRef() + { + long file_id = HDF5Constants.H5I_INVALID_HID; + long dataset_id = HDF5Constants.H5I_INVALID_HID; + long dataspace_id = HDF5Constants.H5I_INVALID_HID; + int object_type = -1; + long object_id = HDF5Constants.H5I_INVALID_HID; + long[] dims = {DIM0}; + byte[][] dset_data = new byte[DIM0][HDF5Constants.H5R_REF_BUF_SIZE]; + + // Open an existing file. + try { + file_id = H5.H5Fopen(FILENAME, HDF5Constants.H5F_ACC_RDONLY, HDF5Constants.H5P_DEFAULT); + + // Open an existing dataset. + try { + dataset_id = H5.H5Dopen(file_id, DATASETNAME, HDF5Constants.H5P_DEFAULT); + + try { + // Get dataspace and allocate memory for read buffer. + dataspace_id = H5.H5Dget_space(dataset_id); + H5.H5Sget_simple_extent_dims(dataspace_id, dims, null); + + // Read data. + H5.H5Dread(dataset_id, HDF5Constants.H5T_STD_REF, HDF5Constants.H5S_ALL, + HDF5Constants.H5S_ALL, HDF5Constants.H5P_DEFAULT, dset_data); + + // Output the data to the screen. + for (int indx = 0; indx < dims[0]; indx++) { + System.out.println(DATASETNAME + "[" + indx + "]:"); + System.out.print(" ->"); + // Open the referenced object, get its name and type. + try { + object_id = H5.H5Ropen_object(dset_data[indx], HDF5Constants.H5P_DEFAULT, + HDF5Constants.H5P_DEFAULT); + try { + object_type = H5.H5Rget_obj_type3(dset_data[indx], HDF5Constants.H5R_OBJECT); + String obj_name = null; + if (object_type >= 0) { + // Get the name. + obj_name = H5.H5Iget_name(object_id); + } + if ((object_id >= 0) && (object_type >= -1)) { + switch (H5G_obj.get(object_type)) { + case H5G_GROUP: + System.out.print("H5G_GROUP"); + break; + case H5G_DATASET: + System.out.print("H5G_DATASET"); + break; + case H5G_TYPE: + System.out.print("H5G_TYPE"); + break; + default: + System.out.print("UNHANDLED"); + } + } + // Print the name. + System.out.println(": " + obj_name); + } + catch (Exception e) { + e.printStackTrace(); + } + finally { + try { + H5.H5Oclose(object_id); + } + catch (Exception e) { + } + } + } + catch (Exception e4) { + e4.printStackTrace(); + } + finally { + try { + H5.H5Rdestroy(dset_data[indx]); + } + catch (Exception e4) { + } + } + } // end for + } + catch (Exception e3) { + e3.printStackTrace(); + } + finally { + try { + H5.H5Sclose(dataspace_id); + } + catch (Exception e3) { + } + } + } + catch (Exception e2) { + e2.printStackTrace(); + } + finally { + try { + H5.H5Dclose(dataset_id); + } + catch (Exception e2) { + } + } + } + catch (Exception e1) { + e1.printStackTrace(); + } + finally { + try { + H5.H5Fclose(file_id); + } + catch (Exception e1) { + } + } + } + + public static void main(String[] args) + { + H5Ex_T_ObjectReference.writeObjRef(); + H5Ex_T_ObjectReference.readObjRef(); + } +} diff --git a/HDF5Examples/JAVA/H5T/H5Ex_T_ObjectReferenceAttribute.java b/HDF5Examples/JAVA/H5T/H5Ex_T_ObjectReferenceAttribute.java new file mode 100644 index 0000000..d2117bd --- /dev/null +++ b/HDF5Examples/JAVA/H5T/H5Ex_T_ObjectReferenceAttribute.java @@ -0,0 +1,366 @@ +/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * + * Copyright by The HDF Group. * + * All rights reserved. * + * * + * This file is part of HDF5. The full HDF5 copyright notice, including * + * terms governing use, modification, and redistribution, is contained in * + * the COPYING file, which can be found at the root of the source code * + * distribution tree, or in https://www.hdfgroup.org/licenses. * + * If you do not have access to either file, you may request a copy from * + * help@hdfgroup.org. * + * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */ + +/************************************************************ + This example shows how to read and write object references + to an attribute. The program first creates objects in the + file and writes references to those objects to an + attribute with a dataspace of DIM0, then closes the file. + Next, it reopens the file, dereferences the references, + and outputs the names of their targets to the screen. + ************************************************************/ + +import java.util.EnumSet; +import java.util.HashMap; +import java.util.Map; + +import hdf.hdf5lib.H5; +import hdf.hdf5lib.HDF5Constants; + +public class H5Ex_T_ObjectReferenceAttribute { + private static String FILENAME = "H5Ex_T_ObjectReferenceAttribute.h5"; + private static String DATASETNAME = "DS1"; + private static String ATTRIBUTENAME = "A1"; + private static String DATASETNAME2 = "DS2"; + private static String GROUPNAME = "G1"; + private static final int DIM0 = 2; + private static final int RANK = 1; + + // Values for the status of space allocation + enum H5G_obj { + H5G_UNKNOWN(HDF5Constants.H5O_TYPE_UNKNOWN), /* Unknown object type */ + H5G_GROUP(HDF5Constants.H5O_TYPE_GROUP), /* Object is a group */ + H5G_DATASET(HDF5Constants.H5O_TYPE_DATASET), /* Object is a dataset */ + H5G_TYPE(HDF5Constants.H5O_TYPE_NAMED_DATATYPE); /* Object is a named data type */ + private static final Map<Integer, H5G_obj> lookup = new HashMap<Integer, H5G_obj>(); + + static + { + for (H5G_obj s : EnumSet.allOf(H5G_obj.class)) + lookup.put(s.getCode(), s); + } + + private int code; + + H5G_obj(int layout_type) { this.code = layout_type; } + + public int getCode() { return this.code; } + + public static H5G_obj get(int code) { return lookup.get(code); } + } + + private static void CreateDataset() + { + long file_id = HDF5Constants.H5I_INVALID_HID; + long dataspace_id = HDF5Constants.H5I_INVALID_HID; + long group_id = HDF5Constants.H5I_INVALID_HID; + long dataset_id = HDF5Constants.H5I_INVALID_HID; + long attribute_id = HDF5Constants.H5I_INVALID_HID; + long[] dims = {DIM0}; + byte[][] dset_data = new byte[DIM0][HDF5Constants.H5R_REF_BUF_SIZE]; + + // Create a new file using default properties. + try { + file_id = H5.H5Fcreate(FILENAME, HDF5Constants.H5F_ACC_TRUNC, HDF5Constants.H5P_DEFAULT, + HDF5Constants.H5P_DEFAULT); + } + catch (Exception e) { + e.printStackTrace(); + } + + // Create dataset with a scalar dataspace. + try { + dataspace_id = H5.H5Screate(HDF5Constants.H5S_SCALAR); + if ((file_id >= 0) && (dataspace_id >= 0)) { + dataset_id = H5.H5Dcreate(file_id, DATASETNAME2, HDF5Constants.H5T_STD_I32LE, dataspace_id, + HDF5Constants.H5P_DEFAULT, HDF5Constants.H5P_DEFAULT, + HDF5Constants.H5P_DEFAULT); + if (dataset_id >= 0) + H5.H5Dclose(dataset_id); + dataset_id = HDF5Constants.H5I_INVALID_HID; + H5.H5Sclose(dataspace_id); + dataspace_id = HDF5Constants.H5I_INVALID_HID; + } + } + catch (Exception e) { + e.printStackTrace(); + } + + // Create a group in the file. + try { + if (file_id >= 0) + group_id = H5.H5Gcreate(file_id, GROUPNAME, HDF5Constants.H5P_DEFAULT, + HDF5Constants.H5P_DEFAULT, HDF5Constants.H5P_DEFAULT); + if (group_id >= 0) + H5.H5Gclose(group_id); + group_id = HDF5Constants.H5I_INVALID_HID; + } + catch (Exception e) { + e.printStackTrace(); + } + + try { + if (file_id >= 0) { + try { + dset_data[0] = H5.H5Rcreate_object(file_id, GROUPNAME, HDF5Constants.H5P_DEFAULT); + } + catch (Throwable err) { + err.printStackTrace(); + } + + try { + dset_data[1] = H5.H5Rcreate_object(file_id, DATASETNAME2, HDF5Constants.H5P_DEFAULT); + } + catch (Throwable err) { + err.printStackTrace(); + } + } + + // Create dataset with a scalar dataspace to serve as the parent + // for the attribute. + try { + dataspace_id = H5.H5Screate(HDF5Constants.H5S_SCALAR); + if (dataspace_id >= 0) { + dataset_id = H5.H5Dcreate(file_id, DATASETNAME, HDF5Constants.H5T_STD_I32LE, dataspace_id, + HDF5Constants.H5P_DEFAULT, HDF5Constants.H5P_DEFAULT, + HDF5Constants.H5P_DEFAULT); + H5.H5Sclose(dataspace_id); + dataspace_id = HDF5Constants.H5I_INVALID_HID; + } + } + catch (Exception e) { + e.printStackTrace(); + } + + // Create dataspace. Setting maximum size to NULL sets the maximum + // size to be the current size. + try { + dataspace_id = H5.H5Screate_simple(RANK, dims, null); + } + catch (Exception e) { + e.printStackTrace(); + } + + // Create the attribute and write the array data to it. + try { + if ((dataset_id >= 0) && (dataspace_id >= 0)) + attribute_id = + H5.H5Acreate(dataset_id, ATTRIBUTENAME, HDF5Constants.H5T_STD_REF, dataspace_id, + HDF5Constants.H5P_DEFAULT, HDF5Constants.H5P_DEFAULT); + } + catch (Exception e) { + e.printStackTrace(); + } + + // Write the dataset. + try { + if (attribute_id >= 0) + H5.H5Awrite(attribute_id, HDF5Constants.H5T_STD_REF, dset_data); + } + catch (Exception e) { + e.printStackTrace(); + } + } + catch (Exception ex) { + ex.printStackTrace(); + } + finally { + try { + H5.H5Rdestroy(dset_data[1]); + } + catch (Exception ex) { + } + try { + H5.H5Rdestroy(dset_data[0]); + } + catch (Exception ex) { + } + } + + // End access to the dataset and release resources used by it. + try { + if (attribute_id >= 0) + H5.H5Aclose(attribute_id); + } + catch (Exception e) { + e.printStackTrace(); + } + + try { + if (dataset_id >= 0) + H5.H5Dclose(dataset_id); + } + catch (Exception e) { + e.printStackTrace(); + } + + try { + if (dataspace_id >= 0) + H5.H5Sclose(dataspace_id); + } + catch (Exception e) { + e.printStackTrace(); + } + + // Close the file. + try { + if (file_id >= 0) + H5.H5Fclose(file_id); + } + catch (Exception e) { + e.printStackTrace(); + } + } + + private static void ReadDataset() + { + long file_id = HDF5Constants.H5I_INVALID_HID; + long dataspace_id = HDF5Constants.H5I_INVALID_HID; + long dataset_id = HDF5Constants.H5I_INVALID_HID; + long attribute_id = HDF5Constants.H5I_INVALID_HID; + int object_type = -1; + long object_id = HDF5Constants.H5I_INVALID_HID; + long[] dims = {DIM0}; + byte[][] dset_data = new byte[DIM0][HDF5Constants.H5R_REF_BUF_SIZE]; + + // Open an existing file. + try { + file_id = H5.H5Fopen(FILENAME, HDF5Constants.H5F_ACC_RDONLY, HDF5Constants.H5P_DEFAULT); + + // Open an existing dataset. + try { + dataset_id = H5.H5Dopen(file_id, DATASETNAME, HDF5Constants.H5P_DEFAULT); + + try { + attribute_id = H5.H5Aopen_by_name(dataset_id, ".", ATTRIBUTENAME, + HDF5Constants.H5P_DEFAULT, HDF5Constants.H5P_DEFAULT); + + // Get dataspace and allocate memory for read buffer. + try { + dataspace_id = H5.H5Aget_space(attribute_id); + H5.H5Sget_simple_extent_dims(dataspace_id, dims, null); + + // Read data. + H5.H5Aread(attribute_id, HDF5Constants.H5T_STD_REF, dset_data); + + // Output the data to the screen. + for (int indx = 0; indx < dims[0]; indx++) { + System.out.println(ATTRIBUTENAME + "[" + indx + "]:"); + System.out.print(" ->"); + // Open the referenced object, get its name and type. + try { + object_id = H5.H5Ropen_object(dset_data[indx], HDF5Constants.H5P_DEFAULT, + HDF5Constants.H5P_DEFAULT); + try { + object_type = + H5.H5Rget_obj_type3(dset_data[indx], HDF5Constants.H5R_OBJECT); + String obj_name = null; + if (object_type >= 0) { + // Get the name. + obj_name = H5.H5Iget_name(object_id); + } + if ((object_id >= 0) && (object_type >= -1)) { + switch (H5G_obj.get(object_type)) { + case H5G_GROUP: + System.out.print("H5G_GROUP"); + break; + case H5G_DATASET: + System.out.print("H5G_DATASET"); + break; + case H5G_TYPE: + System.out.print("H5G_TYPE"); + break; + default: + System.out.print("UNHANDLED"); + } + } + // Print the name. + System.out.println(": " + obj_name); + } + catch (Exception e) { + e.printStackTrace(); + } + finally { + try { + H5.H5Oclose(object_id); + } + catch (Exception e) { + } + } + } + catch (Exception e5) { + e5.printStackTrace(); + } + finally { + try { + H5.H5Rdestroy(dset_data[indx]); + } + catch (Exception e5) { + } + } + } // end for + } + catch (Exception e4) { + e4.printStackTrace(); + } + finally { + try { + H5.H5Sclose(dataspace_id); + } + catch (Exception e3) { + } + } + } + catch (Exception e3) { + e3.printStackTrace(); + } + finally { + try { + H5.H5Aclose(attribute_id); + } + catch (Exception e4) { + } + } + } + catch (Exception e2) { + e2.printStackTrace(); + } + finally { + try { + H5.H5Dclose(dataset_id); + } + catch (Exception e2) { + } + } + } + catch (Exception e1) { + e1.printStackTrace(); + } + finally { + try { + H5.H5Fclose(file_id); + } + catch (Exception e1) { + } + } + } + + public static void main(String[] args) + { + H5Ex_T_ObjectReferenceAttribute.CreateDataset(); + // Now we begin the read section of this example. Here we assume + // the dataset and array have the same name and rank, but can have + // any size. Therefore we must allocate a new array to read in + // data using malloc(). + H5Ex_T_ObjectReferenceAttribute.ReadDataset(); + } +} diff --git a/HDF5Examples/JAVA/H5T/H5Ex_T_Opaque.java b/HDF5Examples/JAVA/H5T/H5Ex_T_Opaque.java new file mode 100644 index 0000000..c9628d6 --- /dev/null +++ b/HDF5Examples/JAVA/H5T/H5Ex_T_Opaque.java @@ -0,0 +1,266 @@ +/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * + * Copyright by The HDF Group. * + * All rights reserved. * + * * + * This file is part of HDF5. The full HDF5 copyright notice, including * + * terms governing use, modification, and redistribution, is contained in * + * the COPYING file, which can be found at the root of the source code * + * distribution tree, or in https://www.hdfgroup.org/licenses. * + * If you do not have access to either file, you may request a copy from * + * help@hdfgroup.org. * + * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */ + +/************************************************************ + This example shows how to read and write opaque datatypes + to a dataset. The program first writes opaque data to a + dataset with a dataspace of DIM0, then closes the file. + Next, it reopens the file, reads back the data, and + outputs it to the screen. + ************************************************************/ + +import hdf.hdf5lib.H5; +import hdf.hdf5lib.HDF5Constants; + +public class H5Ex_T_Opaque { + private static String FILENAME = "H5Ex_T_Opaque.h5"; + private static String DATASETNAME = "DS1"; + private static final int DIM0 = 4; + private static final int LEN = 7; + private static final int RANK = 1; + + private static void CreateDataset() + { + long file_id = HDF5Constants.H5I_INVALID_HID; + long dataspace_id = HDF5Constants.H5I_INVALID_HID; + long datatype_id = HDF5Constants.H5I_INVALID_HID; + long dataset_id = HDF5Constants.H5I_INVALID_HID; + long[] dims = {DIM0}; + byte[] dset_data = new byte[DIM0 * LEN]; + byte[] str_data = {'O', 'P', 'A', 'Q', 'U', 'E'}; + + // Initialize data. + for (int indx = 0; indx < DIM0; indx++) { + for (int jndx = 0; jndx < LEN - 1; jndx++) + dset_data[jndx + indx * LEN] = str_data[jndx]; + dset_data[LEN - 1 + indx * LEN] = (byte)(indx + '0'); + } + + // Create a new file using default properties. + try { + file_id = H5.H5Fcreate(FILENAME, HDF5Constants.H5F_ACC_TRUNC, HDF5Constants.H5P_DEFAULT, + HDF5Constants.H5P_DEFAULT); + } + catch (Exception e) { + e.printStackTrace(); + } + + // Create opaque datatype and set the tag to something appropriate. + // For this example we will write and view the data as a character + // array. + try { + datatype_id = H5.H5Tcreate(HDF5Constants.H5T_OPAQUE, (long)LEN); + if (datatype_id >= 0) + H5.H5Tset_tag(datatype_id, "Character array"); + } + catch (Exception e) { + e.printStackTrace(); + } + + // Create dataspace. Setting maximum size to NULL sets the maximum + // size to be the current size. + try { + dataspace_id = H5.H5Screate_simple(RANK, dims, null); + } + catch (Exception e) { + e.printStackTrace(); + } + + // Create the dataset and write the integer data to it. In this + // example we will save the data as 64 bit big endian integers, + // regardless of the native integer type. The HDF5 library + // automatically converts between different integer types. + try { + if ((file_id >= 0) && (datatype_id >= 0) && (dataspace_id >= 0)) + dataset_id = + H5.H5Dcreate(file_id, DATASETNAME, datatype_id, dataspace_id, HDF5Constants.H5P_DEFAULT, + HDF5Constants.H5P_DEFAULT, HDF5Constants.H5P_DEFAULT); + } + catch (Exception e) { + e.printStackTrace(); + } + + // Write the opaque data to the dataset. + try { + if ((dataset_id >= 0) && (datatype_id >= 0)) + H5.H5Dwrite(dataset_id, datatype_id, HDF5Constants.H5S_ALL, HDF5Constants.H5S_ALL, + HDF5Constants.H5P_DEFAULT, dset_data); + } + catch (Exception e) { + e.printStackTrace(); + } + + // End access to the dataset and release resources used by it. + try { + if (dataset_id >= 0) + H5.H5Dclose(dataset_id); + } + catch (Exception e) { + e.printStackTrace(); + } + + // Terminate access to the data space. + try { + if (dataspace_id >= 0) + H5.H5Sclose(dataspace_id); + } + catch (Exception e) { + e.printStackTrace(); + } + + try { + if (datatype_id >= 0) + H5.H5Tclose(datatype_id); + } + catch (Exception e) { + e.printStackTrace(); + } + + // Close the file. + try { + if (file_id >= 0) + H5.H5Fclose(file_id); + } + catch (Exception e) { + e.printStackTrace(); + } + } + + private static void ReadDataset() + { + long file_id = HDF5Constants.H5I_INVALID_HID; + long datatype_id = HDF5Constants.H5I_INVALID_HID; + long dataspace_id = HDF5Constants.H5I_INVALID_HID; + long dataset_id = HDF5Constants.H5I_INVALID_HID; + long type_len = HDF5Constants.H5I_INVALID_HID; + long[] dims = {DIM0}; + byte[] dset_data; + String tag_name = null; + + // Open an existing file. + try { + file_id = H5.H5Fopen(FILENAME, HDF5Constants.H5F_ACC_RDONLY, HDF5Constants.H5P_DEFAULT); + } + catch (Exception e) { + e.printStackTrace(); + } + + // Open an existing dataset. + try { + if (file_id >= 0) + dataset_id = H5.H5Dopen(file_id, DATASETNAME, HDF5Constants.H5P_DEFAULT); + } + catch (Exception e) { + e.printStackTrace(); + } + + // Get datatype and properties for the datatype. + try { + if (dataset_id >= 0) + datatype_id = H5.H5Dget_type(dataset_id); + if (datatype_id >= 0) { + type_len = H5.H5Tget_size(datatype_id); + tag_name = H5.H5Tget_tag(datatype_id); + } + } + catch (Exception e) { + e.printStackTrace(); + } + + // Get dataspace and allocate memory for read buffer. + try { + if (dataset_id >= 0) + dataspace_id = H5.H5Dget_space(dataset_id); + } + catch (Exception e) { + e.printStackTrace(); + } + + try { + if (dataspace_id >= 0) + H5.H5Sget_simple_extent_dims(dataspace_id, dims, null); + } + catch (Exception e) { + e.printStackTrace(); + } + + // Allocate buffer. + dset_data = new byte[(int)(dims[0] * type_len)]; + + // Read data. + try { + if ((dataset_id >= 0) && (datatype_id >= 0)) + H5.H5Dread(dataset_id, datatype_id, HDF5Constants.H5S_ALL, HDF5Constants.H5S_ALL, + HDF5Constants.H5P_DEFAULT, dset_data); + } + catch (Exception e) { + e.printStackTrace(); + } + + // Output the data to the screen. + System.out.println("Datatype tag for " + DATASETNAME + " is: \"" + tag_name + "\""); + for (int indx = 0; indx < dims[0]; indx++) { + System.out.print(DATASETNAME + "[" + indx + "]: "); + for (int jndx = 0; jndx < type_len; jndx++) { + char temp = (char)dset_data[jndx + indx * (int)type_len]; + System.out.print(temp); + } + System.out.println(""); + } + System.out.println(); + + // End access to the dataset and release resources used by it. + try { + if (dataset_id >= 0) + H5.H5Dclose(dataset_id); + } + catch (Exception e) { + e.printStackTrace(); + } + + // Terminate access to the data space. + try { + if (dataspace_id >= 0) + H5.H5Sclose(dataspace_id); + } + catch (Exception e) { + e.printStackTrace(); + } + + try { + if (datatype_id >= 0) + H5.H5Tclose(datatype_id); + } + catch (Exception e) { + e.printStackTrace(); + } + + // Close the file. + try { + if (file_id >= 0) + H5.H5Fclose(file_id); + } + catch (Exception e) { + e.printStackTrace(); + } + } + + public static void main(String[] args) + { + H5Ex_T_Opaque.CreateDataset(); + // Now we begin the read section of this example. Here we assume + // the dataset and array have the same name and rank, but can have + // any size. Therefore we must allocate a new array to read in + // data using malloc(). + H5Ex_T_Opaque.ReadDataset(); + } +} diff --git a/HDF5Examples/JAVA/H5T/H5Ex_T_OpaqueAttribute.java b/HDF5Examples/JAVA/H5T/H5Ex_T_OpaqueAttribute.java new file mode 100644 index 0000000..02f7bd5 --- /dev/null +++ b/HDF5Examples/JAVA/H5T/H5Ex_T_OpaqueAttribute.java @@ -0,0 +1,303 @@ +/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * + * Copyright by The HDF Group. * + * All rights reserved. * + * * + * This file is part of HDF5. The full HDF5 copyright notice, including * + * terms governing use, modification, and redistribution, is contained in * + * the COPYING file, which can be found at the root of the source code * + * distribution tree, or in https://www.hdfgroup.org/licenses. * + * If you do not have access to either file, you may request a copy from * + * help@hdfgroup.org. * + * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */ + +/************************************************************ + This example shows how to read and write opaque datatypes + to an attribute. The program first writes opaque data to + an attribute with a dataspace of DIM0, then closes the + file. Next, it reopens the file, reads back the data, and + outputs it to the screen. + ************************************************************/ + +import hdf.hdf5lib.H5; +import hdf.hdf5lib.HDF5Constants; + +public class H5Ex_T_OpaqueAttribute { + private static String FILENAME = "H5Ex_T_OpaqueAttribute.h5"; + private static String DATASETNAME = "DS1"; + private static String ATTRIBUTENAME = "A1"; + private static final int DIM0 = 4; + private static final int LEN = 7; + private static final int RANK = 1; + + private static void CreateDataset() + { + long file_id = HDF5Constants.H5I_INVALID_HID; + long dataspace_id = HDF5Constants.H5I_INVALID_HID; + long datatype_id = HDF5Constants.H5I_INVALID_HID; + long dataset_id = HDF5Constants.H5I_INVALID_HID; + long attribute_id = HDF5Constants.H5I_INVALID_HID; + long[] dims = {DIM0}; + byte[] dset_data = new byte[DIM0 * LEN]; + byte[] str_data = {'O', 'P', 'A', 'Q', 'U', 'E'}; + + // Initialize data. + for (int indx = 0; indx < DIM0; indx++) { + for (int jndx = 0; jndx < LEN - 1; jndx++) + dset_data[jndx + indx * LEN] = str_data[jndx]; + dset_data[LEN - 1 + indx * LEN] = (byte)(indx + '0'); + } + + // Create a new file using default properties. + try { + file_id = H5.H5Fcreate(FILENAME, HDF5Constants.H5F_ACC_TRUNC, HDF5Constants.H5P_DEFAULT, + HDF5Constants.H5P_DEFAULT); + } + catch (Exception e) { + e.printStackTrace(); + } + + // Create dataset with a scalar dataspace. + try { + dataspace_id = H5.H5Screate(HDF5Constants.H5S_SCALAR); + if (dataspace_id >= 0) { + dataset_id = H5.H5Dcreate(file_id, DATASETNAME, HDF5Constants.H5T_STD_I32LE, dataspace_id, + HDF5Constants.H5P_DEFAULT, HDF5Constants.H5P_DEFAULT, + HDF5Constants.H5P_DEFAULT); + H5.H5Sclose(dataspace_id); + dataspace_id = HDF5Constants.H5I_INVALID_HID; + } + } + catch (Exception e) { + e.printStackTrace(); + } + + // Create opaque datatype and set the tag to something appropriate. + // For this example we will write and view the data as a character + // array. + try { + datatype_id = H5.H5Tcreate(HDF5Constants.H5T_OPAQUE, (long)LEN); + if (datatype_id >= 0) + H5.H5Tset_tag(datatype_id, "Character array"); + } + catch (Exception e) { + e.printStackTrace(); + } + + // Create dataspace. Setting maximum size to NULL sets the maximum + // size to be the current size. + try { + dataspace_id = H5.H5Screate_simple(RANK, dims, null); + } + catch (Exception e) { + e.printStackTrace(); + } + + // Create the attribute and write the array data to it. + try { + if ((dataset_id >= 0) && (datatype_id >= 0) && (dataspace_id >= 0)) + attribute_id = H5.H5Acreate(dataset_id, ATTRIBUTENAME, datatype_id, dataspace_id, + HDF5Constants.H5P_DEFAULT, HDF5Constants.H5P_DEFAULT); + } + catch (Exception e) { + e.printStackTrace(); + } + + // Write the dataset. + try { + if ((attribute_id >= 0) && (datatype_id >= 0)) + H5.H5Awrite(attribute_id, datatype_id, dset_data); + } + catch (Exception e) { + e.printStackTrace(); + } + + // End access to the dataset and release resources used by it. + try { + if (attribute_id >= 0) + H5.H5Aclose(attribute_id); + } + catch (Exception e) { + e.printStackTrace(); + } + + try { + if (dataset_id >= 0) + H5.H5Dclose(dataset_id); + } + catch (Exception e) { + e.printStackTrace(); + } + + // Terminate access to the data space. + try { + if (dataspace_id >= 0) + H5.H5Sclose(dataspace_id); + } + catch (Exception e) { + e.printStackTrace(); + } + + try { + if (datatype_id >= 0) + H5.H5Tclose(datatype_id); + } + catch (Exception e) { + e.printStackTrace(); + } + + // Close the file. + try { + if (file_id >= 0) + H5.H5Fclose(file_id); + } + catch (Exception e) { + e.printStackTrace(); + } + } + + private static void ReadDataset() + { + long file_id = HDF5Constants.H5I_INVALID_HID; + long datatype_id = HDF5Constants.H5I_INVALID_HID; + long dataspace_id = HDF5Constants.H5I_INVALID_HID; + long dataset_id = HDF5Constants.H5I_INVALID_HID; + long attribute_id = HDF5Constants.H5I_INVALID_HID; + long type_len = -1; + long[] dims = {DIM0}; + byte[] dset_data; + String tag_name = null; + + // Open an existing file. + try { + file_id = H5.H5Fopen(FILENAME, HDF5Constants.H5F_ACC_RDONLY, HDF5Constants.H5P_DEFAULT); + } + catch (Exception e) { + e.printStackTrace(); + } + + // Open an existing dataset. + try { + if (file_id >= 0) + dataset_id = H5.H5Dopen(file_id, DATASETNAME, HDF5Constants.H5P_DEFAULT); + } + catch (Exception e) { + e.printStackTrace(); + } + + try { + if (dataset_id >= 0) + attribute_id = H5.H5Aopen_by_name(dataset_id, ".", ATTRIBUTENAME, HDF5Constants.H5P_DEFAULT, + HDF5Constants.H5P_DEFAULT); + } + catch (Exception e) { + e.printStackTrace(); + } + + // Get datatype and properties for the datatype. + try { + if (attribute_id >= 0) + datatype_id = H5.H5Aget_type(attribute_id); + if (datatype_id >= 0) { + type_len = H5.H5Tget_size(datatype_id); + tag_name = H5.H5Tget_tag(datatype_id); + } + } + catch (Exception e) { + e.printStackTrace(); + } + + // Get dataspace and allocate memory for read buffer. + try { + if (attribute_id >= 0) + dataspace_id = H5.H5Aget_space(attribute_id); + } + catch (Exception e) { + e.printStackTrace(); + } + + try { + if (dataspace_id >= 0) + H5.H5Sget_simple_extent_dims(dataspace_id, dims, null); + } + catch (Exception e) { + e.printStackTrace(); + } + + // Allocate buffer. + dset_data = new byte[(int)(dims[0] * type_len)]; + + // Read data. + try { + if ((attribute_id >= 0) && (datatype_id >= 0)) + H5.H5Aread(attribute_id, datatype_id, dset_data); + } + catch (Exception e) { + e.printStackTrace(); + } + + // Output the data to the screen. + System.out.println("Datatype tag for " + ATTRIBUTENAME + " is: \"" + tag_name + "\""); + for (int indx = 0; indx < dims[0]; indx++) { + System.out.print(ATTRIBUTENAME + "[" + indx + "]: "); + for (int jndx = 0; jndx < type_len; jndx++) { + char temp = (char)dset_data[jndx + indx * (int)type_len]; + System.out.print(temp); + } + System.out.println(""); + } + System.out.println(); + + // End access to the dataset and release resources used by it. + try { + if (attribute_id >= 0) + H5.H5Aclose(attribute_id); + } + catch (Exception e) { + e.printStackTrace(); + } + + try { + if (dataset_id >= 0) + H5.H5Dclose(dataset_id); + } + catch (Exception e) { + e.printStackTrace(); + } + + // Terminate access to the data space. + try { + if (dataspace_id >= 0) + H5.H5Sclose(dataspace_id); + } + catch (Exception e) { + e.printStackTrace(); + } + + try { + if (datatype_id >= 0) + H5.H5Tclose(datatype_id); + } + catch (Exception e) { + e.printStackTrace(); + } + + // Close the file. + try { + if (file_id >= 0) + H5.H5Fclose(file_id); + } + catch (Exception e) { + e.printStackTrace(); + } + } + + public static void main(String[] args) + { + H5Ex_T_OpaqueAttribute.CreateDataset(); + // Now we begin the read section of this example. Here we assume + // the dataset and array have the same name and rank, but can have + // any size. Therefore we must allocate a new array to read in + // data using malloc(). + H5Ex_T_OpaqueAttribute.ReadDataset(); + } +} diff --git a/HDF5Examples/JAVA/H5T/H5Ex_T_RegionReference.java b/HDF5Examples/JAVA/H5T/H5Ex_T_RegionReference.java new file mode 100644 index 0000000..0c7f6ab --- /dev/null +++ b/HDF5Examples/JAVA/H5T/H5Ex_T_RegionReference.java @@ -0,0 +1,315 @@ +/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * + * Copyright by The HDF Group. * + * All rights reserved. * + * * + * This file is part of HDF5. The full HDF5 copyright notice, including * + * terms governing use, modification, and redistribution, is contained in * + * the COPYING file, which can be found at the root of the source code * + * distribution tree, or in https://www.hdfgroup.org/licenses. * + * If you do not have access to either file, you may request a copy from * + * help@hdfgroup.org. * + * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */ + +/************************************************************ + This example shows how to read and write object references + to a dataset. The program first creates objects in the + file and writes references to those objects to a dataset + with a dataspace of DIM0, then closes the file. Next, it + reopens the file, dereferences the references, and outputs + the names of their targets to the screen. + ************************************************************/ + +import java.util.EnumSet; +import java.util.HashMap; +import java.util.Map; + +import hdf.hdf5lib.H5; +import hdf.hdf5lib.HDF5Constants; + +public class H5Ex_T_RegionReference { + private static String FILENAME = "H5Ex_T_RegionReference.h5"; + private static String DATASETNAME = "DS1"; + private static String DATASETNAME2 = "DS2"; + private static String GROUPNAME = "G1"; + private static final int DIM0 = 2; + private static final int DS2DIM0 = 3; + private static final int DS2DIM1 = 16; + private static final int RANK = 1; + + private static void writeRegRef() + { + long file_id = HDF5Constants.H5I_INVALID_HID; + long dataspace_id = HDF5Constants.H5I_INVALID_HID; + long filespace_id = HDF5Constants.H5I_INVALID_HID; + long group_id = HDF5Constants.H5I_INVALID_HID; + long dataset_id = HDF5Constants.H5I_INVALID_HID; + long[] dims = {DIM0}; + long[] dims2 = {DS2DIM0, DS2DIM1}; + // data buffer for writing region reference + byte[][] dset_data = new byte[DIM0][HDF5Constants.H5R_REF_BUF_SIZE]; + // data buffer for writing dataset + byte[][] write_data = new byte[DS2DIM0][DS2DIM1]; + StringBuffer[] str_data = {new StringBuffer("The quick brown"), new StringBuffer("fox jumps over "), + new StringBuffer("the 5 lazy dogs")}; + + // Create a new file using default properties. + try { + file_id = H5.H5Fcreate(FILENAME, HDF5Constants.H5F_ACC_TRUNC, HDF5Constants.H5P_DEFAULT, + HDF5Constants.H5P_DEFAULT); + } + catch (Exception e) { + e.printStackTrace(); + } + + // Create dataset with character data. + try { + dataspace_id = H5.H5Screate_simple(2, dims2, null); + if ((file_id >= 0) && (dataspace_id >= 0)) { + dataset_id = H5.H5Dcreate(file_id, DATASETNAME2, HDF5Constants.H5T_STD_I8LE, dataspace_id, + HDF5Constants.H5P_DEFAULT, HDF5Constants.H5P_DEFAULT, + HDF5Constants.H5P_DEFAULT); + for (int indx = 0; indx < DS2DIM0; indx++) { + for (int jndx = 0; jndx < DS2DIM1; jndx++) { + if (jndx < str_data[indx].length()) + write_data[indx][jndx] = (byte)str_data[indx].charAt(jndx); + else + write_data[indx][jndx] = 0; + } + } + H5.H5Dwrite(dataset_id, HDF5Constants.H5T_NATIVE_CHAR, HDF5Constants.H5S_ALL, + HDF5Constants.H5S_ALL, HDF5Constants.H5P_DEFAULT, write_data); + } + } + catch (Exception e) { + e.printStackTrace(); + } + + // Create reference to a list of elements in dset2. + try { + long[][] coords = {{0, 1}, {2, 11}, {1, 0}, {2, 4}}; + + H5.H5Sselect_elements(dataspace_id, HDF5Constants.H5S_SELECT_SET, 4, coords); + if (file_id >= 0) + dset_data[0] = + H5.H5Rcreate_region(file_id, DATASETNAME2, dataspace_id, HDF5Constants.H5P_DEFAULT); + } + catch (Exception ex) { + ex.printStackTrace(); + } + + // Create reference to a hyperslab in dset2. + try { + long[] start = {0, 0}; // Starting location of hyperslab + long[] stride = {2, 11}; // Stride of hyperslab + long[] count = {2, 2}; // Element count of hyperslab + long[] block = {1, 3}; // Block size of hyperslab + + H5.H5Sselect_hyperslab(dataspace_id, HDF5Constants.H5S_SELECT_SET, start, stride, count, block); + if (file_id >= 0) + dset_data[1] = + H5.H5Rcreate_region(file_id, DATASETNAME2, dataspace_id, HDF5Constants.H5P_DEFAULT); + ; + } + catch (Exception e) { + e.printStackTrace(); + } + + try { + H5.H5Sclose(dataspace_id); + } + catch (Exception e) { + } + + // Create the dataset and write the region references to it. + try { + dataspace_id = H5.H5Screate_simple(1, dims, null); + if ((file_id >= 0) && (dataspace_id >= 0)) { + dataset_id = H5.H5Dcreate(file_id, DATASETNAME, HDF5Constants.H5T_STD_REF, dataspace_id, + HDF5Constants.H5P_DEFAULT, HDF5Constants.H5P_DEFAULT, + HDF5Constants.H5P_DEFAULT); + H5.H5Dwrite(dataset_id, HDF5Constants.H5T_STD_REF, HDF5Constants.H5S_ALL, + HDF5Constants.H5S_ALL, HDF5Constants.H5P_DEFAULT, dset_data); + } + } + catch (Exception e) { + e.printStackTrace(); + } + + try { + H5.H5Rdestroy(dset_data[0]); + } + catch (Exception ex) { + } + + try { + H5.H5Rdestroy(dset_data[1]); + } + catch (Exception ex) { + } + + // End access to the dataset and release resources used by it. + try { + H5.H5Sclose(dataspace_id); + } + catch (Exception e) { + } + + try { + if (dataset_id >= 0) + H5.H5Dclose(dataset_id); + } + catch (Exception e) { + e.printStackTrace(); + } + + try { + if (filespace_id >= 0) + H5.H5Sclose(filespace_id); + } + catch (Exception e) { + e.printStackTrace(); + } + + // Close the file. + try { + if (file_id >= 0) + H5.H5Fclose(file_id); + } + catch (Exception e) { + e.printStackTrace(); + } + } + + private static void readRegRef() + { + long file_id = HDF5Constants.H5I_INVALID_HID; + long dataset_id = HDF5Constants.H5I_INVALID_HID; + long dataspace_id = HDF5Constants.H5I_INVALID_HID; + int object_type = -1; + long object_id = HDF5Constants.H5I_INVALID_HID; + long region_id = HDF5Constants.H5I_INVALID_HID; + long[] dims = {DIM0}; + byte[][] dset_data = new byte[DIM0][HDF5Constants.H5R_REF_BUF_SIZE]; + StringBuffer str_data; + + // Open an existing file. + try { + file_id = H5.H5Fopen(FILENAME, HDF5Constants.H5F_ACC_RDONLY, HDF5Constants.H5P_DEFAULT); + + // Open an existing dataset. + try { + dataset_id = H5.H5Dopen(file_id, DATASETNAME, HDF5Constants.H5P_DEFAULT); + + try { + // Get dataspace and allocate memory for read buffer. + dataspace_id = H5.H5Dget_space(dataset_id); + H5.H5Sget_simple_extent_dims(dataspace_id, dims, null); + + // Read data. + H5.H5Dread(dataset_id, HDF5Constants.H5T_STD_REF, HDF5Constants.H5S_ALL, + HDF5Constants.H5S_ALL, HDF5Constants.H5P_DEFAULT, dset_data); + + // Output the data to the screen. + for (int indx = 0; indx < dims[0]; indx++) { + System.out.println(DATASETNAME + "[" + indx + "]:"); + System.out.print(" ->"); + // Open the referenced object. + try { + object_id = H5.H5Ropen_object(dset_data[indx], HDF5Constants.H5P_DEFAULT, + HDF5Constants.H5P_DEFAULT); + try { + String obj_name = H5.H5Iget_name(object_id); + + region_id = H5.H5Ropen_region(dset_data[indx], HDF5Constants.H5P_DEFAULT, + HDF5Constants.H5P_DEFAULT); + if ((object_id >= 0) && (region_id >= 0)) { + try { + long reg_npoints = H5.H5Sget_select_npoints(region_id); + long[] dims2 = new long[1]; + dims2[0] = (int)reg_npoints; + dataspace_id = H5.H5Screate_simple(1, dims2, null); + + // Read data. + byte[] refbuf = new byte[(int)reg_npoints + 1]; + H5.H5Dread(object_id, HDF5Constants.H5T_NATIVE_CHAR, dataspace_id, + region_id, HDF5Constants.H5P_DEFAULT, refbuf); + refbuf[(int)reg_npoints] = 0; + str_data = new StringBuffer(new String(refbuf).trim()); + + System.out.println(" " + obj_name + ": " + str_data); + } + catch (Throwable err2) { + err2.printStackTrace(); + } + } + } + catch (Throwable err1) { + err1.printStackTrace(); + } + finally { + try { + H5.H5Sclose(region_id); + } + catch (Exception ex) { + } + } + } + catch (Throwable err0) { + err0.printStackTrace(); + } + finally { + try { + H5.H5Dclose(object_id); + } + catch (Exception ex) { + } + } + try { + H5.H5Rdestroy(dset_data[indx]); + } + catch (Exception e4) { + } + } // end for + } + catch (Exception e4) { + e4.printStackTrace(); + } + finally { + try { + H5.H5Sclose(dataspace_id); + for (int indx = 0; indx < dims[0]; indx++) + H5.H5Rdestroy(dset_data[indx]); + } + catch (Exception e4) { + } + } + } + catch (Exception e3) { + e3.printStackTrace(); + } + finally { + try { + H5.H5Dclose(dataset_id); + } + catch (Exception e3) { + } + } + } + catch (Exception e2) { + e2.printStackTrace(); + } + finally { + try { + H5.H5Fclose(file_id); + } + catch (Exception e2) { + } + } + } + + public static void main(String[] args) + { + H5Ex_T_RegionReference.writeRegRef(); + H5Ex_T_RegionReference.readRegRef(); + } +} diff --git a/HDF5Examples/JAVA/H5T/H5Ex_T_RegionReferenceAttribute.java b/HDF5Examples/JAVA/H5T/H5Ex_T_RegionReferenceAttribute.java new file mode 100644 index 0000000..f09f15f --- /dev/null +++ b/HDF5Examples/JAVA/H5T/H5Ex_T_RegionReferenceAttribute.java @@ -0,0 +1,340 @@ +/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * + * Copyright by The HDF Group. * + * All rights reserved. * + * * + * This file is part of HDF5. The full HDF5 copyright notice, including * + * terms governing use, modification, and redistribution, is contained in * + * the COPYING file, which can be found at the root of the source code * + * distribution tree, or in https://www.hdfgroup.org/licenses. * + * If you do not have access to either file, you may request a copy from * + * help@hdfgroup.org. * + * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */ + +/************************************************************ + This example shows how to read and write object references + to a dataset. The program first creates objects in the + file and writes references to those objects to a dataset + with a dataspace of DIM0, then closes the file. Next, it + reopens the file, dereferences the references, and outputs + the names of their targets to the screen. + ************************************************************/ + +import java.util.EnumSet; +import java.util.HashMap; +import java.util.Map; + +import hdf.hdf5lib.H5; +import hdf.hdf5lib.HDF5Constants; + +public class H5Ex_T_RegionReferenceAttribute { + private static String FILENAME = "H5Ex_T_RegionReferenceAttribute.h5"; + private static String DATASETNAME = "DS1"; + private static String ATTRIBUTENAME = "A1"; + private static String DATASETNAME2 = "DS2"; + private static String GROUPNAME = "G1"; + private static final int DIM0 = 2; + private static final int DS2DIM0 = 3; + private static final int DS2DIM1 = 16; + private static final int RANK = 1; + + private static void writeRegRef() + { + long file_id = HDF5Constants.H5I_INVALID_HID; + long dataspace_id = HDF5Constants.H5I_INVALID_HID; + long filespace_id = HDF5Constants.H5I_INVALID_HID; + long group_id = HDF5Constants.H5I_INVALID_HID; + long dataset_id = HDF5Constants.H5I_INVALID_HID; + long attribute_id = HDF5Constants.H5I_INVALID_HID; + long[] dims = {DIM0}; + long[] dims2 = {DS2DIM0, DS2DIM1}; + // data buffer for writing region reference + byte[][] dset_data = new byte[DIM0][HDF5Constants.H5R_REF_BUF_SIZE]; + // data buffer for writing dataset + byte[][] write_data = new byte[DS2DIM0][DS2DIM1]; + StringBuffer[] str_data = {new StringBuffer("The quick brown"), new StringBuffer("fox jumps over "), + new StringBuffer("the 5 lazy dogs")}; + + // Create a new file using default properties. + try { + file_id = H5.H5Fcreate(FILENAME, HDF5Constants.H5F_ACC_TRUNC, HDF5Constants.H5P_DEFAULT, + HDF5Constants.H5P_DEFAULT); + } + catch (Exception e) { + e.printStackTrace(); + } + + // Create dataset with character data. + try { + dataspace_id = H5.H5Screate_simple(2, dims2, null); + if ((file_id >= 0) && (dataspace_id >= 0)) { + dataset_id = H5.H5Dcreate(file_id, DATASETNAME2, HDF5Constants.H5T_STD_I8LE, dataspace_id, + HDF5Constants.H5P_DEFAULT, HDF5Constants.H5P_DEFAULT, + HDF5Constants.H5P_DEFAULT); + for (int indx = 0; indx < DS2DIM0; indx++) { + for (int jndx = 0; jndx < DS2DIM1; jndx++) { + if (jndx < str_data[indx].length()) + write_data[indx][jndx] = (byte)str_data[indx].charAt(jndx); + else + write_data[indx][jndx] = 0; + } + } + H5.H5Dwrite(dataset_id, HDF5Constants.H5T_NATIVE_CHAR, HDF5Constants.H5S_ALL, + HDF5Constants.H5S_ALL, HDF5Constants.H5P_DEFAULT, write_data); + } + } + catch (Exception e) { + e.printStackTrace(); + } + + // Create reference to a list of elements in dset2. + try { + long[][] coords = {{0, 1}, {2, 11}, {1, 0}, {2, 4}}; + + H5.H5Sselect_elements(dataspace_id, HDF5Constants.H5S_SELECT_SET, 4, coords); + if (file_id >= 0) + dset_data[0] = + H5.H5Rcreate_region(file_id, DATASETNAME2, dataspace_id, HDF5Constants.H5P_DEFAULT); + } + catch (Exception ex) { + ex.printStackTrace(); + } + + // Create reference to a hyperslab in dset2. + try { + long[] start = {0, 0}; // Starting location of hyperslab + long[] stride = {2, 11}; // Stride of hyperslab + long[] count = {2, 2}; // Element count of hyperslab + long[] block = {1, 3}; // Block size of hyperslab + + H5.H5Sselect_hyperslab(dataspace_id, HDF5Constants.H5S_SELECT_SET, start, stride, count, block); + if (file_id >= 0) + dset_data[1] = + H5.H5Rcreate_region(file_id, DATASETNAME2, dataspace_id, HDF5Constants.H5P_DEFAULT); + ; + } + catch (Exception e) { + e.printStackTrace(); + } + + try { + H5.H5Sclose(dataspace_id); + } + catch (Exception e) { + } + + // Create dataset with a null dataspace to serve as the parent for the attribute. + try { + dataspace_id = H5.H5Screate(HDF5Constants.H5S_NULL); + dataset_id = + H5.H5Dcreate(file_id, DATASETNAME, HDF5Constants.H5T_STD_I32LE, dataspace_id, + HDF5Constants.H5P_DEFAULT, HDF5Constants.H5P_DEFAULT, HDF5Constants.H5P_DEFAULT); + } + catch (Exception e) { + e.printStackTrace(); + } + + try { + H5.H5Sclose(dataspace_id); + } + catch (Exception e) { + } + + // Create the attribute and write the region references to it. + try { + dataspace_id = H5.H5Screate_simple(1, dims, null); + if ((file_id >= 0) && (attribute_id >= 0)) { + attribute_id = H5.H5Acreate(file_id, ATTRIBUTENAME, HDF5Constants.H5T_STD_REF, dataspace_id, + HDF5Constants.H5P_DEFAULT, HDF5Constants.H5P_DEFAULT); + H5.H5Awrite(attribute_id, HDF5Constants.H5T_STD_REF, dset_data); + } + } + catch (Exception e) { + e.printStackTrace(); + } + + try { + H5.H5Rdestroy(dset_data[0]); + } + catch (Exception ex) { + } + + try { + H5.H5Rdestroy(dset_data[1]); + } + catch (Exception ex) { + } + + // End access to theattribute, dataset and release resources used by it. + try { + H5.H5Sclose(dataspace_id); + } + catch (Exception e) { + } + + try { + if (attribute_id >= 0) + H5.H5Aclose(attribute_id); + } + catch (Exception e) { + e.printStackTrace(); + } + + try { + if (dataset_id >= 0) + H5.H5Dclose(dataset_id); + } + catch (Exception e) { + e.printStackTrace(); + } + + try { + if (filespace_id >= 0) + H5.H5Sclose(filespace_id); + } + catch (Exception e) { + e.printStackTrace(); + } + + // Close the file. + try { + if (file_id >= 0) + H5.H5Fclose(file_id); + } + catch (Exception e) { + e.printStackTrace(); + } + } + + private static void readRegRef() + { + long file_id = HDF5Constants.H5I_INVALID_HID; + long dataset_id = HDF5Constants.H5I_INVALID_HID; + long dataspace_id = HDF5Constants.H5I_INVALID_HID; + long attribute_id = HDF5Constants.H5I_INVALID_HID; + int object_type = -1; + long object_id = HDF5Constants.H5I_INVALID_HID; + long region_id = HDF5Constants.H5I_INVALID_HID; + long[] dims = {DIM0}; + byte[][] dset_data = new byte[DIM0][HDF5Constants.H5R_REF_BUF_SIZE]; + StringBuffer str_data; + + // Open an existing file. + try { + file_id = H5.H5Fopen(FILENAME, HDF5Constants.H5F_ACC_RDONLY, HDF5Constants.H5P_DEFAULT); + + // Open an existing attribute. + try { + attribute_id = H5.H5Aopen(file_id, ATTRIBUTENAME, HDF5Constants.H5P_DEFAULT); + + try { + // Get dataspace and allocate memory for read buffer. + dataspace_id = H5.H5Aget_space(attribute_id); + H5.H5Sget_simple_extent_dims(attribute_id, dims, null); + + // Read data. + H5.H5Aread(attribute_id, HDF5Constants.H5T_STD_REF, dset_data); + + // Output the data to the screen. + for (int indx = 0; indx < dims[0]; indx++) { + System.out.println(DATASETNAME + "[" + indx + "]:"); + System.out.print(" ->"); + // Open the referenced object. + try { + object_id = H5.H5Ropen_object(dset_data[indx], HDF5Constants.H5P_DEFAULT, + HDF5Constants.H5P_DEFAULT); + try { + String obj_name = H5.H5Iget_name(object_id); + + region_id = H5.H5Ropen_region(dset_data[indx], HDF5Constants.H5P_DEFAULT, + HDF5Constants.H5P_DEFAULT); + if ((object_id >= 0) && (region_id >= 0)) { + try { + long reg_npoints = H5.H5Sget_select_npoints(region_id); + long[] dims2 = new long[1]; + dims2[0] = (int)reg_npoints; + dataspace_id = H5.H5Screate_simple(1, dims2, null); + + // Read data. + byte[] refbuf = new byte[(int)reg_npoints + 1]; + H5.H5Dread(object_id, HDF5Constants.H5T_NATIVE_CHAR, dataspace_id, + region_id, HDF5Constants.H5P_DEFAULT, refbuf); + refbuf[(int)reg_npoints] = 0; + str_data = new StringBuffer(new String(refbuf).trim()); + + System.out.println(" " + obj_name + ": " + str_data); + } + catch (Throwable err2) { + err2.printStackTrace(); + } + } + } + catch (Throwable err1) { + err1.printStackTrace(); + } + finally { + try { + H5.H5Sclose(region_id); + } + catch (Exception ex) { + } + } + } + catch (Throwable err0) { + err0.printStackTrace(); + } + finally { + try { + H5.H5Dclose(object_id); + } + catch (Exception ex) { + } + } + try { + H5.H5Rdestroy(dset_data[indx]); + } + catch (Exception e4) { + } + } // end for + } + catch (Exception e4) { + e4.printStackTrace(); + } + finally { + try { + H5.H5Sclose(dataspace_id); + for (int indx = 0; indx < dims[0]; indx++) + H5.H5Rdestroy(dset_data[indx]); + } + catch (Exception e4) { + } + } + } + catch (Exception e3) { + e3.printStackTrace(); + } + finally { + try { + H5.H5Aclose(attribute_id); + } + catch (Exception e3) { + } + } + } + catch (Exception e2) { + e2.printStackTrace(); + } + finally { + try { + H5.H5Fclose(file_id); + } + catch (Exception e2) { + } + } + } + + public static void main(String[] args) + { + H5Ex_T_RegionReferenceAttribute.writeRegRef(); + H5Ex_T_RegionReferenceAttribute.readRegRef(); + } +} diff --git a/HDF5Examples/JAVA/H5T/H5Ex_T_String.java b/HDF5Examples/JAVA/H5T/H5Ex_T_String.java new file mode 100644 index 0000000..fa16464 --- /dev/null +++ b/HDF5Examples/JAVA/H5T/H5Ex_T_String.java @@ -0,0 +1,307 @@ +/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * + * Copyright by The HDF Group. * + * All rights reserved. * + * * + * This file is part of HDF5. The full HDF5 copyright notice, including * + * terms governing use, modification, and redistribution, is contained in * + * the COPYING file, which can be found at the root of the source code * + * distribution tree, or in https://www.hdfgroup.org/licenses. * + * If you do not have access to either file, you may request a copy from * + * help@hdfgroup.org. * + * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */ + +/************************************************************ + This example shows how to read and write string datatypes + to a dataset. The program first writes strings to a + dataset with a dataspace of DIM0, then closes the file. + Next, it reopens the file, reads back the data, and + outputs it to the screen. + ************************************************************/ + +import hdf.hdf5lib.H5; +import hdf.hdf5lib.HDF5Constants; + +public class H5Ex_T_String { + private static String FILENAME = "H5Ex_T_String.h5"; + private static String DATASETNAME = "DS1"; + private static final int DIM0 = 4; + private static final int SDIM = 8; + private static final int RANK = 1; + + private static void CreateDataset() + { + long file_id = HDF5Constants.H5I_INVALID_HID; + long memtype_id = HDF5Constants.H5I_INVALID_HID; + long filetype_id = HDF5Constants.H5I_INVALID_HID; + long dataspace_id = HDF5Constants.H5I_INVALID_HID; + long dataset_id = HDF5Constants.H5I_INVALID_HID; + long[] dims = {DIM0}; + byte[][] dset_data = new byte[DIM0][SDIM]; + StringBuffer[] str_data = {new StringBuffer("Parting"), new StringBuffer("is such"), + new StringBuffer("sweet"), new StringBuffer("sorrow.")}; + + // Create a new file using default properties. + try { + file_id = H5.H5Fcreate(FILENAME, HDF5Constants.H5F_ACC_TRUNC, HDF5Constants.H5P_DEFAULT, + HDF5Constants.H5P_DEFAULT); + } + catch (Exception e) { + e.printStackTrace(); + } + + // Create file and memory datatypes. For this example we will save + // the strings as FORTRAN strings, therefore they do not need space + // for the null terminator in the file. + try { + filetype_id = H5.H5Tcopy(HDF5Constants.H5T_FORTRAN_S1); + if (filetype_id >= 0) + H5.H5Tset_size(filetype_id, SDIM - 1); + } + catch (Exception e) { + e.printStackTrace(); + } + try { + memtype_id = H5.H5Tcopy(HDF5Constants.H5T_C_S1); + if (memtype_id >= 0) + H5.H5Tset_size(memtype_id, SDIM); + } + catch (Exception e) { + e.printStackTrace(); + } + + // Create dataspace. Setting maximum size to NULL sets the maximum + // size to be the current size. + try { + dataspace_id = H5.H5Screate_simple(RANK, dims, null); + } + catch (Exception e) { + e.printStackTrace(); + } + + // Create the dataset and write the string data to it. + try { + if ((file_id >= 0) && (filetype_id >= 0) && (dataspace_id >= 0)) + dataset_id = + H5.H5Dcreate(file_id, DATASETNAME, filetype_id, dataspace_id, HDF5Constants.H5P_DEFAULT, + HDF5Constants.H5P_DEFAULT, HDF5Constants.H5P_DEFAULT); + } + catch (Exception e) { + e.printStackTrace(); + } + + // Write the data to the dataset. + try { + for (int indx = 0; indx < DIM0; indx++) { + for (int jndx = 0; jndx < SDIM; jndx++) { + if (jndx < str_data[indx].length()) + dset_data[indx][jndx] = (byte)str_data[indx].charAt(jndx); + else + dset_data[indx][jndx] = 0; + } + } + if ((dataset_id >= 0) && (memtype_id >= 0)) + H5.H5Dwrite(dataset_id, memtype_id, HDF5Constants.H5S_ALL, HDF5Constants.H5S_ALL, + HDF5Constants.H5P_DEFAULT, dset_data); + } + catch (Exception e) { + e.printStackTrace(); + } + + // End access to the dataset and release resources used by it. + try { + if (dataset_id >= 0) + H5.H5Dclose(dataset_id); + } + catch (Exception e) { + e.printStackTrace(); + } + + // Terminate access to the data space. + try { + if (dataspace_id >= 0) + H5.H5Sclose(dataspace_id); + } + catch (Exception e) { + e.printStackTrace(); + } + + // Terminate access to the file type. + try { + if (filetype_id >= 0) + H5.H5Tclose(filetype_id); + } + catch (Exception e) { + e.printStackTrace(); + } + + // Terminate access to the mem type. + try { + if (memtype_id >= 0) + H5.H5Tclose(memtype_id); + } + catch (Exception e) { + e.printStackTrace(); + } + + // Close the file. + try { + if (file_id >= 0) + H5.H5Fclose(file_id); + } + catch (Exception e) { + e.printStackTrace(); + } + } + + private static void ReadDataset() + { + long file_id = HDF5Constants.H5I_INVALID_HID; + long filetype_id = HDF5Constants.H5I_INVALID_HID; + long memtype_id = HDF5Constants.H5I_INVALID_HID; + long dataspace_id = HDF5Constants.H5I_INVALID_HID; + long dataset_id = HDF5Constants.H5I_INVALID_HID; + long sdim = 0; + long[] dims = {DIM0}; + byte[][] dset_data; + StringBuffer[] str_data; + + // Open an existing file. + try { + file_id = H5.H5Fopen(FILENAME, HDF5Constants.H5F_ACC_RDONLY, HDF5Constants.H5P_DEFAULT); + } + catch (Exception e) { + e.printStackTrace(); + } + + // Open an existing dataset. + try { + if (file_id >= 0) + dataset_id = H5.H5Dopen(file_id, DATASETNAME, HDF5Constants.H5P_DEFAULT); + } + catch (Exception e) { + e.printStackTrace(); + } + + // Get the datatype and its size. + try { + if (dataset_id >= 0) + filetype_id = H5.H5Dget_type(dataset_id); + if (filetype_id >= 0) { + sdim = H5.H5Tget_size(filetype_id); + sdim++; // Make room for null terminator + } + } + catch (Exception e) { + e.printStackTrace(); + } + + // Get dataspace and allocate memory for read buffer. + try { + if (dataset_id >= 0) + dataspace_id = H5.H5Dget_space(dataset_id); + } + catch (Exception e) { + e.printStackTrace(); + } + + try { + if (dataspace_id >= 0) + H5.H5Sget_simple_extent_dims(dataspace_id, dims, null); + } + catch (Exception e) { + e.printStackTrace(); + } + + // Allocate space for data. + dset_data = new byte[(int)dims[0]][(int)sdim]; + str_data = new StringBuffer[(int)dims[0]]; + + // Create the memory datatype. + try { + memtype_id = H5.H5Tcopy(HDF5Constants.H5T_C_S1); + if (memtype_id >= 0) + H5.H5Tset_size(memtype_id, sdim); + } + catch (Exception e) { + e.printStackTrace(); + } + + // Read data. + try { + if ((dataset_id >= 0) && (memtype_id >= 0)) + H5.H5Dread(dataset_id, memtype_id, HDF5Constants.H5S_ALL, HDF5Constants.H5S_ALL, + HDF5Constants.H5P_DEFAULT, dset_data); + byte[] tempbuf = new byte[(int)sdim]; + for (int indx = 0; indx < (int)dims[0]; indx++) { + for (int jndx = 0; jndx < sdim; jndx++) { + tempbuf[jndx] = dset_data[indx][jndx]; + } + str_data[indx] = new StringBuffer(new String(tempbuf).trim()); + } + } + catch (Exception e) { + e.printStackTrace(); + } + + // Output the data to the screen. + for (int indx = 0; indx < dims[0]; indx++) { + System.out.println(DATASETNAME + " [" + indx + "]: " + str_data[indx]); + } + System.out.println(); + + // End access to the dataset and release resources used by it. + try { + if (dataset_id >= 0) + H5.H5Dclose(dataset_id); + } + catch (Exception e) { + e.printStackTrace(); + } + + // Terminate access to the data space. + try { + if (dataspace_id >= 0) + H5.H5Sclose(dataspace_id); + } + catch (Exception e) { + e.printStackTrace(); + } + + // Terminate access to the file type. + try { + if (filetype_id >= 0) + H5.H5Tclose(filetype_id); + } + catch (Exception e) { + e.printStackTrace(); + } + + // Terminate access to the mem type. + try { + if (memtype_id >= 0) + H5.H5Tclose(memtype_id); + } + catch (Exception e) { + e.printStackTrace(); + } + + // Close the file. + try { + if (file_id >= 0) + H5.H5Fclose(file_id); + } + catch (Exception e) { + e.printStackTrace(); + } + } + + public static void main(String[] args) + { + H5Ex_T_String.CreateDataset(); + // Now we begin the read section of this example. Here we assume + // the dataset and array have the same name and rank, but can have + // any size. Therefore we must allocate a new array to read in + // data using malloc(). + H5Ex_T_String.ReadDataset(); + } +} diff --git a/HDF5Examples/JAVA/H5T/H5Ex_T_StringAttribute.java b/HDF5Examples/JAVA/H5T/H5Ex_T_StringAttribute.java new file mode 100644 index 0000000..62f4aa0 --- /dev/null +++ b/HDF5Examples/JAVA/H5T/H5Ex_T_StringAttribute.java @@ -0,0 +1,347 @@ +/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * + * Copyright by The HDF Group. * + * All rights reserved. * + * * + * This file is part of HDF5. The full HDF5 copyright notice, including * + * terms governing use, modification, and redistribution, is contained in * + * the COPYING file, which can be found at the root of the source code * + * distribution tree, or in https://www.hdfgroup.org/licenses. * + * If you do not have access to either file, you may request a copy from * + * help@hdfgroup.org. * + * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */ + +/************************************************************ + This example shows how to read and write string datatypes + to an attribute. The program first writes strings to an + attribute with a dataspace of DIM0, then closes the file. + Next, it reopens the file, reads back the data, and + outputs it to the screen. + ************************************************************/ + +import hdf.hdf5lib.H5; +import hdf.hdf5lib.HDF5Constants; + +public class H5Ex_T_StringAttribute { + private static String FILENAME = "H5Ex_T_StringAttribute.h5"; + private static String DATASETNAME = "DS1"; + private static String ATTRIBUTENAME = "A1"; + private static final int DIM0 = 4; + private static final int SDIM = 8; + private static final int RANK = 1; + + private static void CreateDataset() + { + long file_id = HDF5Constants.H5I_INVALID_HID; + long memtype_id = HDF5Constants.H5I_INVALID_HID; + long filetype_id = HDF5Constants.H5I_INVALID_HID; + long dataspace_id = HDF5Constants.H5I_INVALID_HID; + long dataset_id = HDF5Constants.H5I_INVALID_HID; + long attribute_id = HDF5Constants.H5I_INVALID_HID; + long[] dims = {DIM0}; + byte[][] dset_data = new byte[DIM0][SDIM]; + StringBuffer[] str_data = {new StringBuffer("Parting"), new StringBuffer("is such"), + new StringBuffer("sweet"), new StringBuffer("sorrow.")}; + + // Create a new file using default properties. + try { + file_id = H5.H5Fcreate(FILENAME, HDF5Constants.H5F_ACC_TRUNC, HDF5Constants.H5P_DEFAULT, + HDF5Constants.H5P_DEFAULT); + } + catch (Exception e) { + e.printStackTrace(); + } + + // Create file and memory datatypes. For this example we will save + // the strings as FORTRAN strings, therefore they do not need space + // for the null terminator in the file. + try { + filetype_id = H5.H5Tcopy(HDF5Constants.H5T_FORTRAN_S1); + if (filetype_id >= 0) + H5.H5Tset_size(filetype_id, SDIM - 1); + } + catch (Exception e) { + e.printStackTrace(); + } + try { + memtype_id = H5.H5Tcopy(HDF5Constants.H5T_C_S1); + if (memtype_id >= 0) + H5.H5Tset_size(memtype_id, SDIM); + } + catch (Exception e) { + e.printStackTrace(); + } + + // Create dataset with a scalar dataspace. + try { + dataspace_id = H5.H5Screate(HDF5Constants.H5S_SCALAR); + if (dataspace_id >= 0) { + dataset_id = H5.H5Dcreate(file_id, DATASETNAME, HDF5Constants.H5T_STD_I32LE, dataspace_id, + HDF5Constants.H5P_DEFAULT, HDF5Constants.H5P_DEFAULT, + HDF5Constants.H5P_DEFAULT); + H5.H5Sclose(dataspace_id); + dataspace_id = HDF5Constants.H5I_INVALID_HID; + } + } + catch (Exception e) { + e.printStackTrace(); + } + + // Create dataspace. Setting maximum size to NULL sets the maximum + // size to be the current size. + try { + dataspace_id = H5.H5Screate_simple(RANK, dims, null); + } + catch (Exception e) { + e.printStackTrace(); + } + + // Create the attribute. + try { + if ((dataset_id >= 0) && (dataspace_id >= 0) && (filetype_id >= 0)) + attribute_id = H5.H5Acreate(dataset_id, ATTRIBUTENAME, filetype_id, dataspace_id, + HDF5Constants.H5P_DEFAULT, HDF5Constants.H5P_DEFAULT); + } + catch (Exception e) { + e.printStackTrace(); + } + + // Write the data to the dataset. + try { + for (int indx = 0; indx < DIM0; indx++) { + for (int jndx = 0; jndx < SDIM; jndx++) { + if (jndx < str_data[indx].length()) + dset_data[indx][jndx] = (byte)str_data[indx].charAt(jndx); + else + dset_data[indx][jndx] = 0; + } + } + if ((attribute_id >= 0) && (memtype_id >= 0)) + H5.H5Awrite(attribute_id, memtype_id, dset_data); + } + catch (Exception e) { + e.printStackTrace(); + } + + // End access to the dataset and release resources used by it. + try { + if (attribute_id >= 0) + H5.H5Aclose(attribute_id); + } + catch (Exception e) { + e.printStackTrace(); + } + + try { + if (dataset_id >= 0) + H5.H5Dclose(dataset_id); + } + catch (Exception e) { + e.printStackTrace(); + } + + // Terminate access to the data space. + try { + if (dataspace_id >= 0) + H5.H5Sclose(dataspace_id); + } + catch (Exception e) { + e.printStackTrace(); + } + + // Terminate access to the file type. + try { + if (filetype_id >= 0) + H5.H5Tclose(filetype_id); + } + catch (Exception e) { + e.printStackTrace(); + } + + // Terminate access to the mem type. + try { + if (memtype_id >= 0) + H5.H5Tclose(memtype_id); + } + catch (Exception e) { + e.printStackTrace(); + } + + // Close the file. + try { + if (file_id >= 0) + H5.H5Fclose(file_id); + } + catch (Exception e) { + e.printStackTrace(); + } + } + + private static void ReadDataset() + { + long file_id = HDF5Constants.H5I_INVALID_HID; + long filetype_id = HDF5Constants.H5I_INVALID_HID; + long memtype_id = HDF5Constants.H5I_INVALID_HID; + long dataspace_id = HDF5Constants.H5I_INVALID_HID; + long dataset_id = HDF5Constants.H5I_INVALID_HID; + long attribute_id = HDF5Constants.H5I_INVALID_HID; + long sdim = 0; + long[] dims = {DIM0}; + byte[][] dset_data; + StringBuffer[] str_data; + + // Open an existing file. + try { + file_id = H5.H5Fopen(FILENAME, HDF5Constants.H5F_ACC_RDONLY, HDF5Constants.H5P_DEFAULT); + } + catch (Exception e) { + e.printStackTrace(); + } + + // Open an existing dataset. + try { + if (file_id >= 0) + dataset_id = H5.H5Dopen(file_id, DATASETNAME, HDF5Constants.H5P_DEFAULT); + } + catch (Exception e) { + e.printStackTrace(); + } + + try { + if (dataset_id >= 0) + attribute_id = H5.H5Aopen_by_name(dataset_id, ".", ATTRIBUTENAME, HDF5Constants.H5P_DEFAULT, + HDF5Constants.H5P_DEFAULT); + } + catch (Exception e) { + e.printStackTrace(); + } + + // Get the datatype and its size. + try { + if (attribute_id >= 0) + filetype_id = H5.H5Aget_type(attribute_id); + if (filetype_id >= 0) { + sdim = H5.H5Tget_size(filetype_id); + sdim++; // Make room for null terminator + } + } + catch (Exception e) { + e.printStackTrace(); + } + + // Get dataspace and allocate memory for read buffer. + try { + if (attribute_id >= 0) + dataspace_id = H5.H5Aget_space(attribute_id); + } + catch (Exception e) { + e.printStackTrace(); + } + + try { + if (dataspace_id >= 0) + H5.H5Sget_simple_extent_dims(dataspace_id, dims, null); + } + catch (Exception e) { + e.printStackTrace(); + } + + // Allocate space for data. + dset_data = new byte[(int)dims[0]][(int)sdim]; + str_data = new StringBuffer[(int)dims[0]]; + + // Create the memory datatype. + try { + memtype_id = H5.H5Tcopy(HDF5Constants.H5T_C_S1); + if (memtype_id >= 0) + H5.H5Tset_size(memtype_id, sdim); + } + catch (Exception e) { + e.printStackTrace(); + } + + // Read data. + try { + if ((attribute_id >= 0) && (memtype_id >= 0)) + H5.H5Aread(attribute_id, memtype_id, dset_data); + byte[] tempbuf = new byte[(int)sdim]; + for (int indx = 0; indx < (int)dims[0]; indx++) { + for (int jndx = 0; jndx < sdim; jndx++) { + tempbuf[jndx] = dset_data[indx][jndx]; + } + str_data[indx] = new StringBuffer(new String(tempbuf).trim()); + } + } + catch (Exception e) { + e.printStackTrace(); + } + + // Output the data to the screen. + for (int indx = 0; indx < dims[0]; indx++) { + System.out.println(DATASETNAME + " [" + indx + "]: " + str_data[indx]); + } + System.out.println(); + + // End access to the dataset and release resources used by it. + try { + if (attribute_id >= 0) + H5.H5Aclose(attribute_id); + } + catch (Exception e) { + e.printStackTrace(); + } + + try { + if (dataset_id >= 0) + H5.H5Dclose(dataset_id); + } + catch (Exception e) { + e.printStackTrace(); + } + + // Terminate access to the data space. + try { + if (dataspace_id >= 0) + H5.H5Sclose(dataspace_id); + } + catch (Exception e) { + e.printStackTrace(); + } + + // Terminate access to the file type. + try { + if (filetype_id >= 0) + H5.H5Tclose(filetype_id); + } + catch (Exception e) { + e.printStackTrace(); + } + + // Terminate access to the mem type. + try { + if (memtype_id >= 0) + H5.H5Tclose(memtype_id); + } + catch (Exception e) { + e.printStackTrace(); + } + + // Close the file. + try { + if (file_id >= 0) + H5.H5Fclose(file_id); + } + catch (Exception e) { + e.printStackTrace(); + } + } + + public static void main(String[] args) + { + H5Ex_T_StringAttribute.CreateDataset(); + // Now we begin the read section of this example. Here we assume + // the dataset and array have the same name and rank, but can have + // any size. Therefore we must allocate a new array to read in + // data using malloc(). + H5Ex_T_StringAttribute.ReadDataset(); + } +} diff --git a/HDF5Examples/JAVA/H5T/H5Ex_T_VLString.java b/HDF5Examples/JAVA/H5T/H5Ex_T_VLString.java new file mode 100644 index 0000000..d4d74e7 --- /dev/null +++ b/HDF5Examples/JAVA/H5T/H5Ex_T_VLString.java @@ -0,0 +1,135 @@ +/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * + * Copyright by The HDF Group. * + * All rights reserved. * + * * + * This file is part of HDF5. The full HDF5 copyright notice, including * + * terms governing use, modification, and redistribution, is contained in * + * the COPYING file, which can be found at the root of the source code * + * distribution tree, or in https://www.hdfgroup.org/licenses. * + * If you do not have access to either file, you may request a copy from * + * help@hdfgroup.org. * + * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */ + +/************************************************************ + Creating and writing a VL string to a file. + ************************************************************/ + +import hdf.hdf5lib.H5; +import hdf.hdf5lib.HDF5Constants; + +public class H5Ex_T_VLString { + private static String FILENAME = "H5Ex_T_VLString.h5"; + private static String DATASETNAME = "DS1"; + + private static void createDataset() + { + long file_id = HDF5Constants.H5I_INVALID_HID; + long type_id = HDF5Constants.H5I_INVALID_HID; + long dataspace_id = HDF5Constants.H5I_INVALID_HID; + long dataset_id = HDF5Constants.H5I_INVALID_HID; + int rank = 1; + String[] str_data = {"Parting", "is such", "sweet", "sorrow."}; + long[] dims = {str_data.length}; + + // Create a new file using default properties. + try { + file_id = H5.H5Fcreate(FILENAME, HDF5Constants.H5F_ACC_TRUNC, HDF5Constants.H5P_DEFAULT, + HDF5Constants.H5P_DEFAULT); + } + catch (Exception e) { + e.printStackTrace(); + } + + try { + type_id = H5.H5Tcopy(HDF5Constants.H5T_C_S1); + H5.H5Tset_size(type_id, HDF5Constants.H5T_VARIABLE); + } + catch (Exception e) { + e.printStackTrace(); + } + + // Create dataspace. Setting maximum size to NULL sets the maximum + // size to be the current size. + try { + dataspace_id = H5.H5Screate_simple(rank, dims, null); + } + catch (Exception e) { + e.printStackTrace(); + } + + // Create the dataset and write the string data to it. + try { + if ((file_id >= 0) && (type_id >= 0) && (dataspace_id >= 0)) { + dataset_id = + H5.H5Dcreate(file_id, DATASETNAME, type_id, dataspace_id, HDF5Constants.H5P_DEFAULT, + HDF5Constants.H5P_DEFAULT, HDF5Constants.H5P_DEFAULT); + } + } + catch (Exception e) { + e.printStackTrace(); + } + + // Write the data to the dataset. + try { + if (dataset_id >= 0) + H5.H5DwriteVL(dataset_id, type_id, HDF5Constants.H5S_ALL, HDF5Constants.H5S_ALL, + HDF5Constants.H5P_DEFAULT, str_data); + } + catch (Exception e) { + e.printStackTrace(); + } + + try { + H5.H5Sclose(dataspace_id); + H5.H5Tclose(type_id); + H5.H5Dclose(dataset_id); + H5.H5Fclose(file_id); + } + catch (Exception e) { + e.printStackTrace(); + } + } + + private static void readDataset() + { + long file_id = HDF5Constants.H5I_INVALID_HID; + long type_id = HDF5Constants.H5I_INVALID_HID; + long dataset_id = HDF5Constants.H5I_INVALID_HID; + String[] str_data = {"", "", "", ""}; + + try { + file_id = H5.H5Fopen(FILENAME, HDF5Constants.H5F_ACC_RDONLY, HDF5Constants.H5P_DEFAULT); + } + catch (Exception e) { + e.printStackTrace(); + } + + try { + dataset_id = H5.H5Dopen(file_id, DATASETNAME, HDF5Constants.H5P_DEFAULT); + type_id = H5.H5Dget_type(dataset_id); + H5.H5DreadVL(dataset_id, type_id, HDF5Constants.H5S_ALL, HDF5Constants.H5S_ALL, + HDF5Constants.H5P_DEFAULT, str_data); + } + catch (Exception e) { + e.printStackTrace(); + } + + for (int indx = 0; indx < str_data.length; indx++) + System.out.println(DATASETNAME + " [" + indx + "]: " + str_data[indx]); + + try { + H5.H5Tclose(type_id); + H5.H5Dclose(dataset_id); + H5.H5Fclose(file_id); + } + catch (Exception e) { + e.printStackTrace(); + } + } + + public static void main(String[] args) + { + H5Ex_T_VLString.createDataset(); + H5Ex_T_VLString.readDataset(); + } +} diff --git a/HDF5Examples/JAVA/H5T/JavaDatatypeExample.sh.in b/HDF5Examples/JAVA/H5T/JavaDatatypeExample.sh.in new file mode 100644 index 0000000..7683798 --- /dev/null +++ b/HDF5Examples/JAVA/H5T/JavaDatatypeExample.sh.in @@ -0,0 +1,447 @@ +#! /bin/sh +# +# Copyright by The HDF Group. +# All rights reserved. +# +# This file is part of HDF5. The full HDF5 copyright notice, including +# terms governing use, modification, and redistribution, is contained in +# the COPYING file, which can be found at the root of the source code +# distribution tree, or in https://www.hdfgroup.org/licenses. +# If you do not have access to either file, you may request a copy from +# help@hdfgroup.org. +# + +top_builddir=@top_builddir@ +top_srcdir=@top_srcdir@ +srcdir=@srcdir@ +IS_DARWIN="@H5_IS_DARWIN@" + +TESTNAME=EX_Datatypes +EXIT_SUCCESS=0 +EXIT_FAILURE=1 + +# Set up default variable values if not supplied by the user. +RM='rm -rf' +CMP='cmp' +DIFF='diff -c' +CP='cp' +DIRNAME='dirname' +BASENAME='basename' +LS='ls' +AWK='awk' + +nerrors=0 + +# where the libs exist +HDFLIB_HOME="$top_srcdir/java/lib" +BLDDIR="." +BLDLIBDIR="$BLDDIR/testlibs" +HDFTEST_HOME="$top_srcdir/java/examples/datatypes" +JARFILE=jar@PACKAGE_TARNAME@-@PACKAGE_VERSION@.jar +TESTJARFILE=jar@PACKAGE_TARNAME@datatypes.jar +test -d $BLDLIBDIR || mkdir -p $BLDLIBDIR + +###################################################################### +# library files +# -------------------------------------------------------------------- +# All the library files copy from source directory to test directory +# NOTE: Keep this framework to add/remove test files. +# This list are also used for checking exist. +# Comment '#' without space can be used. +# -------------------------------------------------------------------- +LIST_LIBRARY_FILES=" +$top_builddir/src/.libs/libhdf5.* +$top_builddir/java/src/jni/.libs/libhdf5_java.* +$top_builddir/java/src/$JARFILE +" +LIST_DATA_FILES=" +$HDFTEST_HOME/../tfiles/examples.datatypes.H5Ex_T_Array.txt +$HDFTEST_HOME/../tfiles/examples.datatypes.H5Ex_T_ArrayAttribute.txt +$HDFTEST_HOME/../tfiles/examples.datatypes.H5Ex_T_Bit.txt +$HDFTEST_HOME/../tfiles/examples.datatypes.H5Ex_T_BitAttribute.txt +$HDFTEST_HOME/../tfiles/examples.datatypes.H5Ex_T_Commit.txt +$HDFTEST_HOME/../tfiles/examples.datatypes.H5Ex_T_Compound.txt +$HDFTEST_HOME/../tfiles/examples.datatypes.H5Ex_T_CompoundAttribute.txt +$HDFTEST_HOME/../tfiles/examples.datatypes.H5Ex_T_Float.txt +$HDFTEST_HOME/../tfiles/examples.datatypes.H5Ex_T_FloatAttribute.txt +$HDFTEST_HOME/../tfiles/examples.datatypes.H5Ex_T_Integer.txt +$HDFTEST_HOME/../tfiles/examples.datatypes.H5Ex_T_IntegerAttribute.txt +$HDFTEST_HOME/../tfiles/examples.datatypes.H5Ex_T_ObjectReference.txt +$HDFTEST_HOME/../tfiles/examples.datatypes.H5Ex_T_ObjectReferenceAttribute.txt +$HDFTEST_HOME/../tfiles/examples.datatypes.H5Ex_T_Opaque.txt +$HDFTEST_HOME/../tfiles/examples.datatypes.H5Ex_T_OpaqueAttribute.txt +$HDFTEST_HOME/../tfiles/examples.datatypes.H5Ex_T_String.txt +$HDFTEST_HOME/../tfiles/examples.datatypes.H5Ex_T_StringAttribute.txt +$HDFTEST_HOME/../tfiles/examples.datatypes.H5Ex_T_VLString.txt +" + +# +# copy files from source dirs to test dir +# +COPY_LIBFILES="$LIST_LIBRARY_FILES" +COPY_JARTESTFILES="$LIST_JAR_TESTFILES" + +COPY_LIBFILES_TO_BLDLIBDIR() +{ + # copy test files. Used -f to make sure get a new copy + for tstfile in $COPY_LIBFILES + do + # ignore '#' comment + echo $tstfile | tr -d ' ' | grep '^#' > /dev/null + RET=$? + if [ $RET -eq 1 ]; then + # skip cp if srcdir is same as destdir + # this occurs when build/test performed in source dir and + # make cp fail + SDIR=`$DIRNAME $tstfile` + INODE_SDIR=`$LS -i -d $SDIR | $AWK -F' ' '{print $1}'` + INODE_DDIR=`$LS -i -d $BLDLIBDIR | $AWK -F' ' '{print $1}'` + if [ "$INODE_SDIR" != "$INODE_DDIR" ]; then + $CP -fR $tstfile $BLDLIBDIR + if [ $? -ne 0 ]; then + echo "Error: FAILED to copy $tstfile ." + + # Comment out this to CREATE expected file + exit $EXIT_FAILURE + fi + BNAME=`$BASENAME $tstfile` + if [ "$BNAME" = "libhdf5_java.dylib" ]; then + COPIED_LIBHDF5_JAVA=1 + fi + fi + fi + done + if [[ "$IS_DARWIN" = "yes" ]] && [[ $COPIED_LIBHDF5_JAVA -eq 1 ]]; then + (cd $BLDLIBDIR; \ + install_name_tool -add_rpath @loader_path libhdf5_java.dylib; \ + exist_path=` otool -l libhdf5_java.dylib | grep libhdf5 | grep -v java | awk '{print $2}'`; \ + echo $exist_path; \ + install_name_tool -change $exist_path @rpath/libhdf5.dylib libhdf5_java.dylib) + fi + # copy jar files. Used -f to make sure get a new copy + for tstfile in $COPY_JARTESTFILES + do + # ignore '#' comment + echo $tstfile | tr -d ' ' | grep '^#' > /dev/null + RET=$? + if [ $RET -eq 1 ]; then + # skip cp if srcdir is same as destdir + # this occurs when build/test performed in source dir and + # make cp fail + SDIR=`$DIRNAME $tstfile` + INODE_SDIR=`$LS -i -d $SDIR | $AWK -F' ' '{print $1}'` + INODE_DDIR=`$LS -i -d $BLDLIBDIR | $AWK -F' ' '{print $1}'` + if [ "$INODE_SDIR" != "$INODE_DDIR" ]; then + $CP -fR $tstfile $BLDLIBDIR + if [ $? -ne 0 ]; then + echo "Error: FAILED to copy $tstfile ." + + # Comment out this to CREATE expected file + exit $EXIT_FAILURE + fi + fi + fi + done +} + +CLEAN_LIBFILES_AND_BLDLIBDIR() +{ + # skip rm if srcdir is same as destdir + # this occurs when build/test performed in source dir and + # make cp fail + SDIR=$HDFLIB_HOME + INODE_SDIR=`$LS -i -d $SDIR | $AWK -F' ' '{print $1}'` + INODE_DDIR=`$LS -i -d $BLDLIBDIR | $AWK -F' ' '{print $1}'` + if [ "$INODE_SDIR" != "$INODE_DDIR" ]; then + $RM -rf $BLDLIBDIR + fi +} + +COPY_DATAFILES="$LIST_DATA_FILES" + +COPY_DATAFILES_TO_BLDDIR() +{ + # copy test files. Used -f to make sure get a new copy + for tstfile in $COPY_DATAFILES + do + # ignore '#' comment + echo $tstfile | tr -d ' ' | grep '^#' > /dev/null + RET=$? + if [ $RET -eq 1 ]; then + # skip cp if srcdir is same as destdir + # this occurs when build/test performed in source dir and + # make cp fail + SDIR=`$DIRNAME $tstfile` + INODE_SDIR=`$LS -i -d $SDIR | $AWK -F' ' '{print $1}'` + INODE_DDIR=`$LS -i -d $BLDDIR | $AWK -F' ' '{print $1}'` + if [ "$INODE_SDIR" != "$INODE_DDIR" ]; then + $CP -f $tstfile $BLDDIR + if [ $? -ne 0 ]; then + echo "Error: FAILED to copy $tstfile ." + + # Comment out this to CREATE expected file + exit $EXIT_FAILURE + fi + fi + fi + done +} + +CLEAN_DATAFILES_AND_BLDDIR() +{ + $RM $BLDDIR/examples.datatypes.H5Ex_T_*.txt + $RM $BLDDIR/H5Ex_T_*.out + $RM $BLDDIR/H5Ex_T_*.h5 +} + +# Print a line-line message left justified in a field of 70 characters +# beginning with the word "Testing". +# +TESTING() { + SPACES=" " + echo "Testing $* $SPACES" | cut -c1-70 | tr -d '\012' +} + +# where Java is installed (requires jdk1.7.x) +JAVAEXE=@JAVA@ +JAVAEXEFLAGS=@H5_JAVAFLAGS@ + +############################################################################### +# DO NOT MODIFY BELOW THIS LINE +############################################################################### + +# prepare for test +COPY_LIBFILES_TO_BLDLIBDIR +COPY_DATAFILES_TO_BLDDIR + +CPATH=".:"$BLDLIBDIR"/"$JARFILE":"$TESTJARFILE"" + +TEST=/usr/bin/test +if [ ! -x /usr/bin/test ] +then +TEST=`which test` +fi + +if $TEST -z "$CLASSPATH"; then + CLASSPATH="" +fi +CLASSPATH=$CPATH":"$CLASSPATH +export CLASSPATH + +if $TEST -n "$JAVAPATH" ; then + PATH=$JAVAPATH":"$PATH + export PATH +fi + +if $TEST -e /bin/uname; then + os_name=`/bin/uname -s` +elif $TEST -e /usr/bin/uname; then + os_name=`/usr/bin/uname -s` +else + os_name=unknown +fi + +if $TEST -z "$LD_LIBRARY_PATH" ; then + LD_LIBRARY_PATH="" +fi + +case $os_name in + *) + LD_LIBRARY_PATH=$BLDLIBDIR:$LD_LIBRARY_PATH + ;; +esac + +export LD_LIBRARY_PATH + +echo "$JAVAEXE $JAVAEXEFLAGS -Xmx1024M -Djava.library.path=$BLDLIBDIR -cp $CLASSPATH examples.datatypes.H5Ex_T_Array" +TESTING examples.datatypes.H5Ex_T_Array +($RUNSERIAL $JAVAEXE $JAVAEXEFLAGS -Xmx1024M -Djava.library.path=$BLDLIBDIR -cp $CLASSPATH examples.datatypes.H5Ex_T_Array > H5Ex_T_Array.out) +if diff H5Ex_T_Array.out examples.datatypes.H5Ex_T_Array.txt > /dev/null; then + echo " PASSED datatypes.H5Ex_T_Array" +else + echo "**FAILED** datatypes.H5Ex_T_Array" + nerrors="`expr $nerrors + 1`" +fi + +echo "$JAVAEXE $JAVAEXEFLAGS -Xmx1024M -Djava.library.path=$BLDLIBDIR -cp $CLASSPATH examples.datatypes.H5Ex_T_ArrayAttribute" +TESTING examples.datatypes.H5Ex_T_ArrayAttribute +($RUNSERIAL $JAVAEXE $JAVAEXEFLAGS -Xmx1024M -Djava.library.path=$BLDLIBDIR -cp $CLASSPATH examples.datatypes.H5Ex_T_ArrayAttribute > H5Ex_T_ArrayAttribute.out) +if diff H5Ex_T_ArrayAttribute.out examples.datatypes.H5Ex_T_ArrayAttribute.txt > /dev/null; then + echo " PASSED datatypes.H5Ex_T_ArrayAttribute" +else + echo "**FAILED** datatypes.H5Ex_T_ArrayAttribute" + nerrors="`expr $nerrors + 1`" +fi + +echo "$JAVAEXE $JAVAEXEFLAGS -Xmx1024M -Djava.library.path=$BLDLIBDIR -cp $CLASSPATH examples.datatypes.H5Ex_T_Bit" +TESTING examples.datatypes.H5Ex_T_Bit +($RUNSERIAL $JAVAEXE $JAVAEXEFLAGS -Xmx1024M -Djava.library.path=$BLDLIBDIR -cp $CLASSPATH examples.datatypes.H5Ex_T_Bit > H5Ex_T_Bit.out) +if diff H5Ex_T_Bit.out examples.datatypes.H5Ex_T_Bit.txt > /dev/null; then + echo " PASSED datatypes.H5Ex_T_Bit" +else + echo "**FAILED** datatypes.H5Ex_T_Bit" + nerrors="`expr $nerrors + 1`" +fi + +echo "$JAVAEXE $JAVAEXEFLAGS -Xmx1024M -Djava.library.path=$BLDLIBDIR -cp $CLASSPATH examples.datatypes.H5Ex_T_BitAttribute" +TESTING examples.datatypes.H5Ex_T_BitAttribute +($RUNSERIAL $JAVAEXE $JAVAEXEFLAGS -Xmx1024M -Djava.library.path=$BLDLIBDIR -cp $CLASSPATH examples.datatypes.H5Ex_T_BitAttribute > H5Ex_T_BitAttribute.out) +if diff H5Ex_T_BitAttribute.out examples.datatypes.H5Ex_T_BitAttribute.txt > /dev/null; then + echo " PASSED datatypes.H5Ex_T_BitAttribute" +else + echo "**FAILED** datatypes.H5Ex_T_BitAttribute" + nerrors="`expr $nerrors + 1`" +fi + +echo "$JAVAEXE $JAVAEXEFLAGS -Xmx1024M -Djava.library.path=$BLDLIBDIR -cp $CLASSPATH examples.datatypes.H5Ex_T_Commit" +TESTING examples.datasets.H5Ex_T_Commit +($RUNSERIAL $JAVAEXE $JAVAEXEFLAGS -Xmx1024M -Djava.library.path=$BLDLIBDIR -cp $CLASSPATH examples.datatypes.H5Ex_T_Commit > H5Ex_T_Commit.out) +if diff H5Ex_T_Commit.out examples.datatypes.H5Ex_T_Commit.txt > /dev/null; then + echo " PASSED datatypes.H5Ex_T_Commit" +else + echo "**FAILED** datatypes.H5Ex_T_Commit" + nerrors="`expr $nerrors + 1`" +fi + +echo "$JAVAEXE $JAVAEXEFLAGS -Xmx1024M -Djava.library.path=$BLDLIBDIR -cp $CLASSPATH examples.datatypes.H5Ex_T_Compound" +TESTING examples.datatypes.H5Ex_T_Compound +($RUNSERIAL $JAVAEXE $JAVAEXEFLAGS -Xmx1024M -Djava.library.path=$BLDLIBDIR -cp $CLASSPATH examples.datatypes.H5Ex_T_Compound > H5Ex_T_Compound.out) +if diff H5Ex_T_Compound.out examples.datatypes.H5Ex_T_Compound.txt > /dev/null; then + echo " PASSED datatypes.H5Ex_T_Compound" +else + echo "**FAILED** datatypes.H5Ex_T_Compound" + nerrors="`expr $nerrors + 1`" +fi + +echo "$JAVAEXE $JAVAEXEFLAGS -Xmx1024M -Djava.library.path=$BLDLIBDIR -cp $CLASSPATH examples.datatypes.H5Ex_T_CompoundAttribute" +TESTING examples.datatypes.H5Ex_T_CompoundAttribute +($RUNSERIAL $JAVAEXE $JAVAEXEFLAGS -Xmx1024M -Djava.library.path=$BLDLIBDIR -cp $CLASSPATH examples.datatypes.H5Ex_T_CompoundAttribute > H5Ex_T_CompoundAttribute.out) +if diff H5Ex_T_CompoundAttribute.out examples.datatypes.H5Ex_T_CompoundAttribute.txt > /dev/null; then + echo " PASSED datatypes.H5Ex_T_CompoundAttribute" +else + echo "**FAILED** datatypes.H5Ex_T_CompoundAttribute" + nerrors="`expr $nerrors + 1`" +fi + +echo "$JAVAEXE $JAVAEXEFLAGS -Xmx1024M -Djava.library.path=$BLDLIBDIR -cp $CLASSPATH examples.datatypes.H5Ex_T_Float" +TESTING examples.datatypes.H5Ex_T_Float +($RUNSERIAL $JAVAEXE $JAVAEXEFLAGS -Xmx1024M -Djava.library.path=$BLDLIBDIR -cp $CLASSPATH examples.datatypes.H5Ex_T_Float > H5Ex_T_Float.out) +if diff H5Ex_T_Float.out examples.datatypes.H5Ex_T_Float.txt > /dev/null; then + echo " PASSED datatypes.H5Ex_T_Float" +else + echo "**FAILED** datatypes.H5Ex_T_Float" + nerrors="`expr $nerrors + 1`" +fi + +echo "$JAVAEXE $JAVAEXEFLAGS -Xmx1024M -Djava.library.path=$BLDLIBDIR -cp $CLASSPATH examples.datatypes.H5Ex_T_FloatAttribute" +TESTING examples.datatypes.H5Ex_T_FloatAttribute +($RUNSERIAL $JAVAEXE $JAVAEXEFLAGS -Xmx1024M -Djava.library.path=$BLDLIBDIR -cp $CLASSPATH examples.datatypes.H5Ex_T_FloatAttribute > H5Ex_T_FloatAttribute.out) +if diff H5Ex_T_FloatAttribute.out examples.datatypes.H5Ex_T_FloatAttribute.txt > /dev/null; then + echo " PASSED datatypes.H5Ex_T_FloatAttribute" +else + echo "**FAILED** datatypes.H5Ex_T_FloatAttribute" + nerrors="`expr $nerrors + 1`" +fi + +echo "$JAVAEXE $JAVAEXEFLAGS -Xmx1024M -Djava.library.path=$BLDLIBDIR -cp $CLASSPATH examples.datatypes.H5Ex_T_Integer" +TESTING examples.datatypes.H5Ex_T_Integer +($RUNSERIAL $JAVAEXE $JAVAEXEFLAGS -Xmx1024M -Djava.library.path=$BLDLIBDIR -cp $CLASSPATH examples.datatypes.H5Ex_T_Integer > H5Ex_T_Integer.out) +if diff H5Ex_T_Integer.out examples.datatypes.H5Ex_T_Integer.txt > /dev/null; then + echo " PASSED datatypes.H5Ex_T_Integer" +else + echo "**FAILED** datatypes.H5Ex_T_Integer" + nerrors="`expr $nerrors + 1`" +fi + +echo "$JAVAEXE $JAVAEXEFLAGS -Xmx1024M -Djava.library.path=$BLDLIBDIR -cp $CLASSPATH examples.datatypes.H5Ex_T_IntegerAttribute" +TESTING examples.datatypes.H5Ex_T_IntegerAttribute +($RUNSERIAL $JAVAEXE $JAVAEXEFLAGS -Xmx1024M -Djava.library.path=$BLDLIBDIR -cp $CLASSPATH examples.datatypes.H5Ex_T_IntegerAttribute > H5Ex_T_IntegerAttribute.out) +if diff H5Ex_T_IntegerAttribute.out examples.datatypes.H5Ex_T_IntegerAttribute.txt > /dev/null; then + echo " PASSED datatypes.H5Ex_T_IntegerAttribute" +else + echo "**FAILED** datatypes.H5Ex_T_IntegerAttribute" + nerrors="`expr $nerrors + 1`" +fi + +echo "$JAVAEXE $JAVAEXEFLAGS -Xmx1024M -Djava.library.path=$BLDLIBDIR -cp $CLASSPATH examples.datatypes.H5Ex_T_ObjectReference" +TESTING examples.datatypes.H5Ex_T_ObjectReference +($RUNSERIAL $JAVAEXE $JAVAEXEFLAGS -Xmx1024M -Djava.library.path=$BLDLIBDIR -cp $CLASSPATH examples.datatypes.H5Ex_T_ObjectReference > H5Ex_T_ObjectReference.out) +if diff H5Ex_T_ObjectReference.out examples.datatypes.H5Ex_T_ObjectReference.txt > /dev/null; then + echo " PASSED datatypes.H5Ex_T_ObjectReference" +else + echo "**FAILED** datatypes.H5Ex_T_ObjectReference" + nerrors="`expr $nerrors + 1`" +fi + +echo "$JAVAEXE $JAVAEXEFLAGS -Xmx1024M -Djava.library.path=$BLDLIBDIR -cp $CLASSPATH examples.datatypes.H5Ex_T_ObjectReferenceAttribute" +TESTING examples.datatypes.H5Ex_T_ObjectReferenceAttribute +($RUNSERIAL $JAVAEXE $JAVAEXEFLAGS -Xmx1024M -Djava.library.path=$BLDLIBDIR -cp $CLASSPATH examples.datatypes.H5Ex_T_ObjectReferenceAttribute > H5Ex_T_ObjectReferenceAttribute.out) +if diff H5Ex_T_ObjectReferenceAttribute.out examples.datatypes.H5Ex_T_ObjectReferenceAttribute.txt > /dev/null; then + echo " PASSED datatypes.H5Ex_T_ObjectReferenceAttribute" +else + echo "**FAILED** datatypes.H5Ex_T_ObjectReferenceAttribute" + nerrors="`expr $nerrors + 1`" +fi + +echo "$JAVAEXE $JAVAEXEFLAGS -Xmx1024M -Djava.library.path=$BLDLIBDIR -cp $CLASSPATH examples.datatypes.H5Ex_T_Opaque" +TESTING examples.datatypes.H5Ex_T_Opaque +($RUNSERIAL $JAVAEXE $JAVAEXEFLAGS -Xmx1024M -Djava.library.path=$BLDLIBDIR -cp $CLASSPATH examples.datatypes.H5Ex_T_Opaque > H5Ex_T_Opaque.out) +if diff H5Ex_T_Opaque.out examples.datatypes.H5Ex_T_Opaque.txt > /dev/null; then + echo " PASSED datatypes.H5Ex_T_Opaque" +else + echo "**FAILED** datatypes.H5Ex_T_Opaque" + nerrors="`expr $nerrors + 1`" +fi + +echo "$JAVAEXE $JAVAEXEFLAGS -Xmx1024M -Djava.library.path=$BLDLIBDIR -cp $CLASSPATH examples.datatypes.H5Ex_T_OpaqueAttribute" +TESTING examples.datatypes.H5Ex_T_OpaqueAttribute +($RUNSERIAL $JAVAEXE $JAVAEXEFLAGS -Xmx1024M -Djava.library.path=$BLDLIBDIR -cp $CLASSPATH examples.datatypes.H5Ex_T_OpaqueAttribute > H5Ex_T_OpaqueAttribute.out) +if diff H5Ex_T_OpaqueAttribute.out examples.datatypes.H5Ex_T_OpaqueAttribute.txt > /dev/null; then + echo " PASSED datatypes.H5Ex_T_OpaqueAttribute" +else + echo "**FAILED** datatypes.H5Ex_T_OpaqueAttribute" + nerrors="`expr $nerrors + 1`" +fi + +echo "$JAVAEXE $JAVAEXEFLAGS -Xmx1024M -Djava.library.path=$BLDLIBDIR -cp $CLASSPATH examples.datatypes.H5Ex_T_String" +TESTING examples.datatypes.H5Ex_T_String +($RUNSERIAL $JAVAEXE $JAVAEXEFLAGS -Xmx1024M -Djava.library.path=$BLDLIBDIR -cp $CLASSPATH examples.datatypes.H5Ex_T_String > H5Ex_T_String.out) +if diff H5Ex_T_String.out examples.datatypes.H5Ex_T_String.txt > /dev/null; then + echo " PASSED datatypes.H5Ex_T_String" +else + echo "**FAILED** datatypes.H5Ex_T_String" + nerrors="`expr $nerrors + 1`" +fi + +echo "$JAVAEXE $JAVAEXEFLAGS -Xmx1024M -Djava.library.path=$BLDLIBDIR -cp $CLASSPATH examples.datatypes.H5Ex_T_StringAttribute" +TESTING examples.datatypes.H5Ex_T_StringAttribute +($RUNSERIAL $JAVAEXE $JAVAEXEFLAGS -Xmx1024M -Djava.library.path=$BLDLIBDIR -cp $CLASSPATH examples.datatypes.H5Ex_T_StringAttribute > H5Ex_T_StringAttribute.out) +if diff H5Ex_T_StringAttribute.out examples.datatypes.H5Ex_T_StringAttribute.txt > /dev/null; then + echo " PASSED datatypes.H5Ex_T_StringAttribute" +else + echo "**FAILED** datatypes.H5Ex_T_StringAttribute" + nerrors="`expr $nerrors + 1`" +fi + +echo "$JAVAEXE $JAVAEXEFLAGS -Xmx1024M -Djava.library.path=$BLDLIBDIR -cp $CLASSPATH examples.datatypes.H5Ex_T_VLString" +TESTING examples.datatypes.H5Ex_T_VLString +($RUNSERIAL $JAVAEXE $JAVAEXEFLAGS -Xmx1024M -Djava.library.path=$BLDLIBDIR -cp $CLASSPATH examples.datatypes.H5Ex_T_VLString > H5Ex_T_VLString.out) +if diff H5Ex_T_VLString.out examples.datatypes.H5Ex_T_VLString.txt > /dev/null; then + echo " PASSED datatypes.H5Ex_T_VLString" +else + echo "**FAILED** datatypes.H5Ex_T_VLString" + nerrors="`expr $nerrors + 1`" +fi + +# Clean up temporary files/directories +CLEAN_LIBFILES_AND_BLDLIBDIR +CLEAN_DATAFILES_AND_BLDDIR + +# Report test results and exit +if test $nerrors -eq 0 ; then + echo "All $TESTNAME tests passed." + exit $EXIT_SUCCESS +else + echo "$TESTNAME tests failed with $nerrors errors." + exit $EXIT_FAILURE +fi diff --git a/HDF5Examples/JAVA/H5T/Java_sourcefiles.cmake b/HDF5Examples/JAVA/H5T/Java_sourcefiles.cmake new file mode 100644 index 0000000..43e90c2 --- /dev/null +++ b/HDF5Examples/JAVA/H5T/Java_sourcefiles.cmake @@ -0,0 +1,36 @@ +#----------------------------------------------------------------------------- +# Define Sources, one file per application +#----------------------------------------------------------------------------- +set (HDF_JAVA_EXAMPLES + H5Ex_T_Array.java + H5Ex_T_ArrayAttribute.java + H5Ex_T_Bit.java + H5Ex_T_BitAttribute.java + H5Ex_T_Commit.java + H5Ex_T_Compound.java + H5Ex_T_CompoundAttribute.java + H5Ex_T_Float.java + H5Ex_T_FloatAttribute.java + H5Ex_T_Integer.java + H5Ex_T_IntegerAttribute.java + H5Ex_T_Opaque.java + H5Ex_T_OpaqueAttribute.java + H5Ex_T_String.java + H5Ex_T_StringAttribute.java + H5Ex_T_VLString.java +) +if (${H5_LIBVER_DIR} GREATER 18) + if (${H5_LIBVER_DIR} EQUAL 110) + set (HDF_JAVA_EXAMPLES ${HDF_JAVA_EXAMPLES} + 110/H5Ex_T_ObjectReference.java + 110/H5Ex_T_ObjectReferenceAttribute.java + ) + else () + set (HDF_JAVA_EXAMPLES ${HDF_JAVA_EXAMPLES} + H5Ex_T_ObjectReference.java + H5Ex_T_ObjectReferenceAttribute.java + H5Ex_T_RegionReference.java + H5Ex_T_RegionReferenceAttribute.java + ) + endif () +endif () diff --git a/HDF5Examples/JAVA/H5T/Makefile.am b/HDF5Examples/JAVA/H5T/Makefile.am new file mode 100644 index 0000000..2e744ab --- /dev/null +++ b/HDF5Examples/JAVA/H5T/Makefile.am @@ -0,0 +1,75 @@ +# +# Copyright by The HDF Group. +# All rights reserved. +# +# This file is part of HDF5. The full HDF5 copyright notice, including +# terms governing use, modification, and redistribution, is contained in +# the COPYING file, which can be found at the root of the source code +# distribution tree, or in https://www.hdfgroup.org/licenses. +# If you do not have access to either file, you may request a copy from +# help@hdfgroup.org. +## +## Makefile.am +## Run automake to generate a Makefile.in from this file. +## +# +# HDF5 Java Library Examples Makefile(.in) + +include $(top_srcdir)/config/commence.am + +# Mark this directory as part of the JNI API +JAVA_API=yes + +JAVAROOT = .classes + +classes: + test -d $(@D)/$(JAVAROOT) || $(MKDIR_P) $(@D)/$(JAVAROOT) + +pkgpath = examples/datatypes +hdfjarfile = jar$(PACKAGE_TARNAME)-$(PACKAGE_VERSION).jar +CLASSPATH_ENV=CLASSPATH=.:$(JAVAROOT):$(top_builddir)/java/src/$(hdfjarfile):$$CLASSPATH + +jarfile = jar$(PACKAGE_TARNAME)datatypes.jar + +AM_JAVACFLAGS = $(H5_JAVACFLAGS) -deprecation + +TESTPACKAGE = + +noinst_JAVA = \ + H5Ex_T_Array.java \ + H5Ex_T_ArrayAttribute.java \ + H5Ex_T_Bit.java \ + H5Ex_T_BitAttribute.java \ + H5Ex_T_Commit.java \ + H5Ex_T_Compound.java \ + H5Ex_T_CompoundAttribute.java \ + H5Ex_T_Float.java \ + H5Ex_T_FloatAttribute.java \ + H5Ex_T_Integer.java \ + H5Ex_T_IntegerAttribute.java \ + H5Ex_T_ObjectReference.java \ + H5Ex_T_ObjectReferenceAttribute.java \ + H5Ex_T_Opaque.java \ + H5Ex_T_OpaqueAttribute.java \ + H5Ex_T_String.java \ + H5Ex_T_StringAttribute.java \ + H5Ex_T_VLString.java + +$(jarfile): classnoinst.stamp classes + $(JAR) cvf $@ -C $(JAVAROOT)/ $(pkgpath) + +noinst_DATA = $(jarfile) + +.PHONY: classes + +check_SCRIPTS = JavaDatatypeExample.sh +TEST_SCRIPT = $(check_SCRIPTS) + +CLEANFILES = classnoinst.stamp $(jarfile) $(JAVAROOT)/$(pkgpath)/*.class JavaDatatypeExample.sh + +clean: + rm -rf $(JAVAROOT)/* + rm -f $(jarfile) + rm -f classnoinst.stamp + +include $(top_srcdir)/config/conclude.am diff --git a/HDF5Examples/JAVA/H5T/tfiles/110/H5Ex_T_Array.txt b/HDF5Examples/JAVA/H5T/tfiles/110/H5Ex_T_Array.txt new file mode 100644 index 0000000..7bcd8fa --- /dev/null +++ b/HDF5Examples/JAVA/H5T/tfiles/110/H5Ex_T_Array.txt @@ -0,0 +1,21 @@ +DS1 [0]: + [0 0 0 0 0 ] + [0 -1 -2 -3 -4 ] + [0 -2 -4 -6 -8 ] + +DS1 [1]: + [0 1 2 3 4 ] + [1 1 1 1 1 ] + [2 1 0 -1 -2 ] + +DS1 [2]: + [0 2 4 6 8 ] + [2 3 4 5 6 ] + [4 4 4 4 4 ] + +DS1 [3]: + [0 3 6 9 12 ] + [3 5 7 9 11 ] + [6 7 8 9 10 ] + + diff --git a/HDF5Examples/JAVA/H5T/tfiles/110/H5Ex_T_ArrayAttribute.txt b/HDF5Examples/JAVA/H5T/tfiles/110/H5Ex_T_ArrayAttribute.txt new file mode 100644 index 0000000..7d27c0b --- /dev/null +++ b/HDF5Examples/JAVA/H5T/tfiles/110/H5Ex_T_ArrayAttribute.txt @@ -0,0 +1,21 @@ +A1 [0]: + [0 0 0 0 0 ] + [0 -1 -2 -3 -4 ] + [0 -2 -4 -6 -8 ] + +A1 [1]: + [0 1 2 3 4 ] + [1 1 1 1 1 ] + [2 1 0 -1 -2 ] + +A1 [2]: + [0 2 4 6 8 ] + [2 3 4 5 6 ] + [4 4 4 4 4 ] + +A1 [3]: + [0 3 6 9 12 ] + [3 5 7 9 11 ] + [6 7 8 9 10 ] + + diff --git a/HDF5Examples/JAVA/H5T/tfiles/110/H5Ex_T_Bit.txt b/HDF5Examples/JAVA/H5T/tfiles/110/H5Ex_T_Bit.txt new file mode 100644 index 0000000..57769b2 --- /dev/null +++ b/HDF5Examples/JAVA/H5T/tfiles/110/H5Ex_T_Bit.txt @@ -0,0 +1,6 @@ +DS1: + [{0, 0, 0, 0}{3, 0, 1, 1}{2, 0, 2, 2}{1, 0, 3, 3}{0, 0, 0, 0}{3, 0, 1, 1}{2, 0, 2, 2}] + [{0, 0, 0, 0}{0, 0, 0, 0}{0, 0, 0, 0}{0, 0, 0, 0}{0, 0, 0, 0}{0, 0, 0, 0}{0, 0, 0, 0}] + [{0, 0, 0, 0}{0, 0, 0, 0}{0, 0, 0, 0}{0, 0, 0, 0}{0, 0, 0, 0}{0, 0, 0, 0}{0, 0, 0, 0}] + [{0, 0, 0, 0}{0, 0, 0, 0}{0, 0, 0, 0}{0, 0, 0, 0}{0, 0, 0, 0}{0, 0, 0, 0}{0, 0, 0, 0}] + diff --git a/HDF5Examples/JAVA/H5T/tfiles/110/H5Ex_T_BitAttribute.txt b/HDF5Examples/JAVA/H5T/tfiles/110/H5Ex_T_BitAttribute.txt new file mode 100644 index 0000000..683bc7f --- /dev/null +++ b/HDF5Examples/JAVA/H5T/tfiles/110/H5Ex_T_BitAttribute.txt @@ -0,0 +1,6 @@ +A1: + [{0, 0, 0, 0}{3, 0, 1, 1}{2, 0, 2, 2}{1, 0, 3, 3}{0, 0, 0, 0}{3, 0, 1, 1}{2, 0, 2, 2}] + [{0, 0, 0, 0}{0, 0, 0, 0}{0, 0, 0, 0}{0, 0, 0, 0}{0, 0, 0, 0}{0, 0, 0, 0}{0, 0, 0, 0}] + [{0, 0, 0, 0}{0, 0, 0, 0}{0, 0, 0, 0}{0, 0, 0, 0}{0, 0, 0, 0}{0, 0, 0, 0}{0, 0, 0, 0}] + [{0, 0, 0, 0}{0, 0, 0, 0}{0, 0, 0, 0}{0, 0, 0, 0}{0, 0, 0, 0}{0, 0, 0, 0}{0, 0, 0, 0}] + diff --git a/HDF5Examples/JAVA/H5T/tfiles/110/H5Ex_T_Commit.txt b/HDF5Examples/JAVA/H5T/tfiles/110/H5Ex_T_Commit.txt new file mode 100644 index 0000000..e6d0bef --- /dev/null +++ b/HDF5Examples/JAVA/H5T/tfiles/110/H5Ex_T_Commit.txt @@ -0,0 +1,6 @@ +Named datatype: Sensor_Type: + Class: H5T_COMPOUND + Serial number + Location + Temperature (F) + Pressure (inHg) diff --git a/HDF5Examples/JAVA/H5T/tfiles/110/H5Ex_T_Compound.txt b/HDF5Examples/JAVA/H5T/tfiles/110/H5Ex_T_Compound.txt new file mode 100644 index 0000000..0505c78 --- /dev/null +++ b/HDF5Examples/JAVA/H5T/tfiles/110/H5Ex_T_Compound.txt @@ -0,0 +1,25 @@ +DS1 [0]: +Serial number : 1153 +Location : Exterior (static) +Temperature (F) : 53.23 +Pressure (inHg) : 24.57 + +DS1 [1]: +Serial number : 1184 +Location : Intake +Temperature (F) : 55.12 +Pressure (inHg) : 22.95 + +DS1 [2]: +Serial number : 1027 +Location : Intake manifold +Temperature (F) : 103.55 +Pressure (inHg) : 31.23 + +DS1 [3]: +Serial number : 1313 +Location : Exhaust manifold +Temperature (F) : 1252.89 +Pressure (inHg) : 84.11 + + diff --git a/HDF5Examples/JAVA/H5T/tfiles/110/H5Ex_T_CompoundAttribute.txt b/HDF5Examples/JAVA/H5T/tfiles/110/H5Ex_T_CompoundAttribute.txt new file mode 100644 index 0000000..dd77f8d --- /dev/null +++ b/HDF5Examples/JAVA/H5T/tfiles/110/H5Ex_T_CompoundAttribute.txt @@ -0,0 +1,25 @@ +A1 [0]: +Serial number : 1153 +Location : Exterior (static) +Temperature (F) : 53.23 +Pressure (inHg) : 24.57 + +A1 [1]: +Serial number : 1184 +Location : Intake +Temperature (F) : 55.12 +Pressure (inHg) : 22.95 + +A1 [2]: +Serial number : 1027 +Location : Intake manifold +Temperature (F) : 103.55 +Pressure (inHg) : 31.23 + +A1 [3]: +Serial number : 1313 +Location : Exhaust manifold +Temperature (F) : 1252.89 +Pressure (inHg) : 84.11 + + diff --git a/HDF5Examples/JAVA/H5T/tfiles/110/H5Ex_T_Float.txt b/HDF5Examples/JAVA/H5T/tfiles/110/H5Ex_T_Float.txt new file mode 100644 index 0000000..85d8ced --- /dev/null +++ b/HDF5Examples/JAVA/H5T/tfiles/110/H5Ex_T_Float.txt @@ -0,0 +1,6 @@ +DS1: + [ 0.0000 1.0000 2.0000 3.0000 4.0000 5.0000 6.0000] + [ 2.0000 1.6667 2.4000 3.2857 4.2222 5.1818 6.1538] + [ 4.0000 2.3333 2.8000 3.5714 4.4444 5.3636 6.3077] + [ 6.0000 3.0000 3.2000 3.8571 4.6667 5.5455 6.4615] + diff --git a/HDF5Examples/JAVA/H5T/tfiles/110/H5Ex_T_FloatAttribute.txt b/HDF5Examples/JAVA/H5T/tfiles/110/H5Ex_T_FloatAttribute.txt new file mode 100644 index 0000000..cfa1f92 --- /dev/null +++ b/HDF5Examples/JAVA/H5T/tfiles/110/H5Ex_T_FloatAttribute.txt @@ -0,0 +1,6 @@ +A1: + [ 0.0000 1.0000 2.0000 3.0000 4.0000 5.0000 6.0000] + [ 2.0000 1.6667 2.4000 3.2857 4.2222 5.1818 6.1538] + [ 4.0000 2.3333 2.8000 3.5714 4.4444 5.3636 6.3077] + [ 6.0000 3.0000 3.2000 3.8571 4.6667 5.5455 6.4615] + diff --git a/HDF5Examples/JAVA/H5T/tfiles/110/H5Ex_T_Integer.txt b/HDF5Examples/JAVA/H5T/tfiles/110/H5Ex_T_Integer.txt new file mode 100644 index 0000000..f686bd1 --- /dev/null +++ b/HDF5Examples/JAVA/H5T/tfiles/110/H5Ex_T_Integer.txt @@ -0,0 +1,6 @@ +DS1: + [ 0 -1 -2 -3 -4 -5 -6] + [ 0 0 0 0 0 0 0] + [ 0 1 2 3 4 5 6] + [ 0 2 4 6 8 10 12] + diff --git a/HDF5Examples/JAVA/H5T/tfiles/110/H5Ex_T_IntegerAttribute.txt b/HDF5Examples/JAVA/H5T/tfiles/110/H5Ex_T_IntegerAttribute.txt new file mode 100644 index 0000000..dccd4a6 --- /dev/null +++ b/HDF5Examples/JAVA/H5T/tfiles/110/H5Ex_T_IntegerAttribute.txt @@ -0,0 +1,6 @@ +A1: + [ 0 -1 -2 -3 -4 -5 -6] + [ 0 0 0 0 0 0 0] + [ 0 1 2 3 4 5 6] + [ 0 2 4 6 8 10 12] + diff --git a/HDF5Examples/JAVA/H5T/tfiles/110/H5Ex_T_ObjectReference.txt b/HDF5Examples/JAVA/H5T/tfiles/110/H5Ex_T_ObjectReference.txt new file mode 100644 index 0000000..d8afa56 --- /dev/null +++ b/HDF5Examples/JAVA/H5T/tfiles/110/H5Ex_T_ObjectReference.txt @@ -0,0 +1,4 @@ +DS1[0]: + ->H5G_GROUP: /G1 +DS1[1]: + ->H5G_DATASET: /DS2 diff --git a/HDF5Examples/JAVA/H5T/tfiles/110/H5Ex_T_ObjectReferenceAttribute.txt b/HDF5Examples/JAVA/H5T/tfiles/110/H5Ex_T_ObjectReferenceAttribute.txt new file mode 100644 index 0000000..3fabd66 --- /dev/null +++ b/HDF5Examples/JAVA/H5T/tfiles/110/H5Ex_T_ObjectReferenceAttribute.txt @@ -0,0 +1,4 @@ +A1[0]: + ->H5G_GROUP: /G1 +A1[1]: + ->H5G_DATASET: /DS2 diff --git a/HDF5Examples/JAVA/H5T/tfiles/110/H5Ex_T_Opaque.txt b/HDF5Examples/JAVA/H5T/tfiles/110/H5Ex_T_Opaque.txt new file mode 100644 index 0000000..fb74236 --- /dev/null +++ b/HDF5Examples/JAVA/H5T/tfiles/110/H5Ex_T_Opaque.txt @@ -0,0 +1,6 @@ +Datatype tag for DS1 is: "Character array" +DS1[0]: OPAQUE0 +DS1[1]: OPAQUE1 +DS1[2]: OPAQUE2 +DS1[3]: OPAQUE3 + diff --git a/HDF5Examples/JAVA/H5T/tfiles/110/H5Ex_T_OpaqueAttribute.txt b/HDF5Examples/JAVA/H5T/tfiles/110/H5Ex_T_OpaqueAttribute.txt new file mode 100644 index 0000000..bc9a730 --- /dev/null +++ b/HDF5Examples/JAVA/H5T/tfiles/110/H5Ex_T_OpaqueAttribute.txt @@ -0,0 +1,6 @@ +Datatype tag for A1 is: "Character array" +A1[0]: OPAQUE0 +A1[1]: OPAQUE1 +A1[2]: OPAQUE2 +A1[3]: OPAQUE3 + diff --git a/HDF5Examples/JAVA/H5T/tfiles/110/H5Ex_T_RegionReference.txt b/HDF5Examples/JAVA/H5T/tfiles/110/H5Ex_T_RegionReference.txt new file mode 100644 index 0000000..63c1f9e --- /dev/null +++ b/HDF5Examples/JAVA/H5T/tfiles/110/H5Ex_T_RegionReference.txt @@ -0,0 +1,4 @@ +DS1[0]: + -> /DS2: hdf5 +DS1[1]: + -> /DS2: Therowthedog diff --git a/HDF5Examples/JAVA/H5T/tfiles/110/H5Ex_T_RegionReferenceAttribute.txt b/HDF5Examples/JAVA/H5T/tfiles/110/H5Ex_T_RegionReferenceAttribute.txt new file mode 100644 index 0000000..d50fc76 --- /dev/null +++ b/HDF5Examples/JAVA/H5T/tfiles/110/H5Ex_T_RegionReferenceAttribute.txt @@ -0,0 +1,4 @@ +A1[0]: + -> /DS2: hdf5 +A1[1]: + -> /DS2: Therowthedog diff --git a/HDF5Examples/JAVA/H5T/tfiles/110/H5Ex_T_String.txt b/HDF5Examples/JAVA/H5T/tfiles/110/H5Ex_T_String.txt new file mode 100644 index 0000000..4df6a41 --- /dev/null +++ b/HDF5Examples/JAVA/H5T/tfiles/110/H5Ex_T_String.txt @@ -0,0 +1,5 @@ +DS1 [0]: Parting +DS1 [1]: is such +DS1 [2]: sweet +DS1 [3]: sorrow. + diff --git a/HDF5Examples/JAVA/H5T/tfiles/110/H5Ex_T_StringAttribute.txt b/HDF5Examples/JAVA/H5T/tfiles/110/H5Ex_T_StringAttribute.txt new file mode 100644 index 0000000..4df6a41 --- /dev/null +++ b/HDF5Examples/JAVA/H5T/tfiles/110/H5Ex_T_StringAttribute.txt @@ -0,0 +1,5 @@ +DS1 [0]: Parting +DS1 [1]: is such +DS1 [2]: sweet +DS1 [3]: sorrow. + diff --git a/HDF5Examples/JAVA/H5T/tfiles/110/H5Ex_T_VLString.txt b/HDF5Examples/JAVA/H5T/tfiles/110/H5Ex_T_VLString.txt new file mode 100644 index 0000000..0322953 --- /dev/null +++ b/HDF5Examples/JAVA/H5T/tfiles/110/H5Ex_T_VLString.txt @@ -0,0 +1,4 @@ +DS1 [0]: Parting +DS1 [1]: is such +DS1 [2]: sweet +DS1 [3]: sorrow. |