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authorAllen Byrne <50328838+byrnHDF@users.noreply.github.com>2024-01-03 17:23:42 (GMT)
committerGitHub <noreply@github.com>2024-01-03 17:23:42 (GMT)
commit72e33ad7727765fd162a1f70ca502cc2437aabde (patch)
tree84b4cff56687fa7a8d443a529984932dd30a7fa4 /java/examples/datatypes/H5Ex_T_VLString.java
parent95827bc79d592ad5aa71ec3199a83ede9b324c20 (diff)
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Merge examples and workflows from develop (#3918)
Diffstat (limited to 'java/examples/datatypes/H5Ex_T_VLString.java')
-rw-r--r--java/examples/datatypes/H5Ex_T_VLString.java137
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diff --git a/java/examples/datatypes/H5Ex_T_VLString.java b/java/examples/datatypes/H5Ex_T_VLString.java
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--- a/java/examples/datatypes/H5Ex_T_VLString.java
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@@ -1,137 +0,0 @@
-/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
- * 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.
- ************************************************************/
-
-package examples.datatypes;
-
-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();
- }
-}