diff options
Diffstat (limited to 'java/examples/groups')
-rw-r--r-- | java/examples/groups/CMakeLists.txt | 138 | ||||
-rw-r--r-- | java/examples/groups/H5Ex_G_Compact.java | 266 | ||||
-rw-r--r-- | java/examples/groups/H5Ex_G_Corder.java | 121 | ||||
-rw-r--r-- | java/examples/groups/H5Ex_G_Create.java | 94 | ||||
-rw-r--r-- | java/examples/groups/H5Ex_G_Intermediate.java | 125 | ||||
-rw-r--r-- | java/examples/groups/H5Ex_G_Iterate.java | 119 | ||||
-rw-r--r-- | java/examples/groups/H5Ex_G_Phase.java | 241 | ||||
-rw-r--r-- | java/examples/groups/H5Ex_G_Traverse.java | 167 | ||||
-rw-r--r-- | java/examples/groups/H5Ex_G_Visit.java | 152 | ||||
-rw-r--r-- | java/examples/groups/Makefile.am | 68 | ||||
-rw-r--r-- | java/examples/groups/h5ex_g_iterate.h5 | bin | 0 -> 2928 bytes | |||
-rw-r--r-- | java/examples/groups/h5ex_g_visit.h5 | bin | 0 -> 6312 bytes | |||
-rw-r--r-- | java/examples/groups/runExample.sh.in | 341 |
13 files changed, 1832 insertions, 0 deletions
diff --git a/java/examples/groups/CMakeLists.txt b/java/examples/groups/CMakeLists.txt new file mode 100644 index 0000000..0849f0c --- /dev/null +++ b/java/examples/groups/CMakeLists.txt @@ -0,0 +1,138 @@ +cmake_minimum_required (VERSION 3.1.0) +PROJECT (HDFJAVA_EXAMPLES_GROUPS Java) + +set (CMAKE_VERBOSE_MAKEFILE 1) + +INCLUDE_DIRECTORIES ( + ${HDF5_JAVA_JNI_BINARY_DIR} + ${HDF5_JAVA_HDF5_LIB_DIR} +) + +set (HDF_JAVA_EXAMPLES + H5Ex_G_Create + H5Ex_G_Iterate + H5Ex_G_Compact + H5Ex_G_Corder + H5Ex_G_Intermediate + H5Ex_G_Phase + H5Ex_G_Visit +) + +if (WIN32) + set (CMAKE_JAVA_INCLUDE_FLAG_SEP ";") +else (WIN32) + set (CMAKE_JAVA_INCLUDE_FLAG_SEP ":") +endif (WIN32) + +set (CMAKE_JAVA_INCLUDE_PATH "${HDF5_JAVA_JARS}") + +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 (CMAKE_INCLUDE_PATH) + +foreach (example ${HDF_JAVA_EXAMPLES}) + file (WRITE ${PROJECT_BINARY_DIR}/${example}_Manifest.txt + "Main-Class: examples.groups.${example} +" + ) + add_jar (${example} MANIFEST ${PROJECT_BINARY_DIR}/${example}_Manifest.txt ${example}.java) + get_target_property (${example}_JAR_FILE ${example} JAR_FILE) +# install_jar (${example} ${HJAVA_INSTALL_DATA_DIR}/examples examples) + get_target_property (${example}_CLASSPATH ${example} CLASSDIR) + add_dependencies (${example} ${HDF5_JAVA_HDF5_LIB_TARGET}) +endforeach (example ${HDF_JAVA_EXAMPLES}) + +set (CMAKE_JAVA_INCLUDE_PATH "${HDF5_JAVA_JARS};${HDF5_JAVA_LOGGING_JAR};${HDF5_JAVA_LOGGING_NOP_JAR}") + +set (CMAKE_JAVA_CLASSPATH ".") +foreach (HDFJAVA_JAR ${CMAKE_JAVA_INCLUDE_PATH}) + set (CMAKE_JAVA_CLASSPATH "${CMAKE_JAVA_CLASSPATH}${CMAKE_JAVA_INCLUDE_FLAG_SEP}${HDFJAVA_JAR}") +endforeach (HDFJAVA_JAR) + +set (HDF_JAVA_TEST_FILES + h5ex_g_iterate.h5 + h5ex_g_visit.h5 +) + +foreach (h5_file ${HDF_JAVA_TEST_FILES}) + set (dest "${PROJECT_BINARY_DIR}/${h5_file}") + #message (STATUS " Copying ${h5_file}") + add_custom_command ( + TARGET H5Ex_G_Visit + POST_BUILD + COMMAND ${CMAKE_COMMAND} + ARGS -E copy_if_different ${PROJECT_SOURCE_DIR}/${h5_file} ${dest} + ) +endforeach (h5_file ${HDF_JAVA_TEST_FILES}) + +MACRO (ADD_H5_TEST resultfile resultcode) + add_test ( + NAME JAVA_groups-${resultfile} + COMMAND "${CMAKE_COMMAND}" + -D "TEST_TESTER=${CMAKE_Java_RUNTIME};${CMAKE_Java_RUNTIME_FLAGS}" + -D "TEST_PROGRAM=examples.groups.${resultfile}" + -D "TEST_ARGS:STRING=${ARGN}" + -D "TEST_CLASSPATH:STRING=${CMAKE_JAVA_CLASSPATH}${CMAKE_JAVA_INCLUDE_FLAG_SEP}${${resultfile}_JAR_FILE}" + -D "TEST_LIBRARY_DIRECTORY=${CMAKE_TEST_OUTPUT_DIRECTORY}" + -D "TEST_FOLDER=${HDFJAVA_EXAMPLES_BINARY_DIR}" + -D "TEST_OUTPUT=groups/${resultfile}.out" + -D "TEST_EXPECT=${resultcode}" + -D "TEST_REFERENCE=groups/${resultfile}.txt" + -P "${HDF_RESOURCES_DIR}/jrunTest.cmake" + ) + if (NOT "${last_test}" STREQUAL "") + set_tests_properties (JAVA_groups-${resultfile} PROPERTIES DEPENDS ${last_test}) + endif (NOT "${last_test}" STREQUAL "") + set (last_test "JAVA_groups-${resultfile}") +ENDMACRO (ADD_H5_TEST file) + +if (BUILD_TESTING) + foreach (example ${HDF_JAVA_EXAMPLES}) + add_test ( + NAME JAVA_groups-${example}-clearall-objects + COMMAND ${CMAKE_COMMAND} + -E remove + ${example}.out + ${example}.out.err + ) + if (NOT "${last_test}" STREQUAL "") + set_tests_properties (JAVA_groups-${example}-clearall-objects PROPERTIES DEPENDS ${last_test}) + endif (NOT "${last_test}" STREQUAL "") + set (last_test "JAVA_groups-${example}-clearall-objects") + if (NOT ${example} STREQUAL "H5Ex_G_Iterate" AND NOT ${example} STREQUAL "H5Ex_G_Visit") + if (${example} STREQUAL "H5Ex_G_Compact") + add_test ( + NAME JAVA_groups-${example}-clearall-h5s + COMMAND ${CMAKE_COMMAND} + -E remove + ${HDFJAVA_EXAMPLES_BINARY_DIR}/${example}1.h5 + ${HDFJAVA_EXAMPLES_BINARY_DIR}/${example}2.h5 + ) + else (${example} STREQUAL "H5Ex_G_Compact") + add_test ( + NAME JAVA_groups-${example}-clearall-h5s + COMMAND ${CMAKE_COMMAND} + -E remove + ${HDFJAVA_EXAMPLES_BINARY_DIR}/${example}.h5 + ) + endif (${example} STREQUAL "H5Ex_G_Compact") + if (NOT "${last_test}" STREQUAL "") + set_tests_properties (JAVA_groups-${example}-clearall-h5s PROPERTIES DEPENDS ${last_test}) + endif (NOT "${last_test}" STREQUAL "") + set (last_test "JAVA_groups-${example}-clearall-h5s") + endif (NOT ${example} STREQUAL "H5Ex_G_Iterate" AND NOT ${example} STREQUAL "H5Ex_G_Visit") + add_test ( + NAME JAVA_groups-${example}-copy-objects + COMMAND ${CMAKE_COMMAND} + -E copy_if_different + ${HDFJAVA_EXAMPLES_SOURCE_DIR}/testfiles/examples.groups.${example}.txt + ${HDFJAVA_EXAMPLES_GROUPS_BINARY_DIR}/${example}.txt + ) + if (NOT "${last_test}" STREQUAL "") + set_tests_properties (JAVA_groups-${example}-copy-objects PROPERTIES DEPENDS ${last_test}) + endif (NOT "${last_test}" STREQUAL "") + set (last_test "JAVA_groups-${example}-copy-objects") + ADD_H5_TEST (${example} 0) + endforeach (example ${HDF_JAVA_EXAMPLES}) +endif (BUILD_TESTING) diff --git a/java/examples/groups/H5Ex_G_Compact.java b/java/examples/groups/H5Ex_G_Compact.java new file mode 100644 index 0000000..ca9b6c8 --- /dev/null +++ b/java/examples/groups/H5Ex_G_Compact.java @@ -0,0 +1,266 @@ +/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * + * Copyright by The HDF Group. * + * Copyright by the Board of Trustees of the University of Illinois. * + * 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 files COPYING and Copyright.html. COPYING can be found at the root * + * of the source code distribution tree; Copyright.html can be found at the * + * root level of an installed copy of the electronic HDF5 document set and * + * is linked from the top-level documents page. It can also be found at * + * http://hdfgroup.org/HDF5/doc/Copyright.html. If you do not have * + * access to either file, you may request a copy from help@hdfgroup.org. * + * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */ + +/************************************************************ + Creating a file and print the storage layout. + ************************************************************/ + +package examples.groups; + +import hdf.hdf5lib.H5; +import hdf.hdf5lib.HDF5Constants; +import hdf.hdf5lib.structs.H5G_info_t; + +import java.util.EnumSet; +import java.util.HashMap; +import java.util.Map; + +public class H5Ex_G_Compact { + + private static final String FILE1 = "H5Ex_G_Compact1.h5"; + private static final String FILE2 = "H5Ex_G_Compact2.h5"; + private static final String GROUP = "G1"; + + enum H5G_storage { + H5G_STORAGE_TYPE_UNKNOWN(-1), + H5G_STORAGE_TYPE_SYMBOL_TABLE(0), + H5G_STORAGE_TYPE_COMPACT(1), + H5G_STORAGE_TYPE_DENSE(2); + + private static final Map<Integer, H5G_storage> lookup = new HashMap<Integer, H5G_storage>(); + + static { + for (H5G_storage s : EnumSet.allOf(H5G_storage.class)) + lookup.put(s.getCode(), s); + } + + private int code; + + H5G_storage(int layout_type) { + this.code = layout_type; + } + + public int getCode() { + return this.code; + } + + public static H5G_storage get(int code) { + return lookup.get(code); + } + } + + public static void CreateGroup() { + long file_id = -1; + long group_id = -1; + long fapl_id = -1; + H5G_info_t ginfo; + long size; + + // Create file 1. This file will use original format groups. + try { + file_id = H5.H5Fcreate (FILE1, HDF5Constants.H5F_ACC_TRUNC, HDF5Constants.H5P_DEFAULT, HDF5Constants.H5P_DEFAULT); + } + catch (Exception e) { + e.printStackTrace(); + } + // Create a group in the file1. + try { + if(file_id >= 0) + group_id = H5.H5Gcreate(file_id, GROUP, HDF5Constants.H5P_DEFAULT, HDF5Constants.H5P_DEFAULT, HDF5Constants.H5P_DEFAULT); + } + catch (Exception e) { + e.printStackTrace(); + } + + // Obtain the group info and print the group storage type. + try { + if(group_id >= 0) { + ginfo = H5.H5Gget_info(group_id); + System.out.print("Group storage type for " + FILE1 + " is: "); + switch (H5G_storage.get(ginfo.storage_type)) { + case H5G_STORAGE_TYPE_COMPACT: + System.out.println("H5G_STORAGE_TYPE_COMPACT"); // New compact format + break; + case H5G_STORAGE_TYPE_DENSE: + System.out.println("H5G_STORAGE_TYPE_DENSE"); // New dense (indexed) format + break; + case H5G_STORAGE_TYPE_SYMBOL_TABLE: + System.out.println("H5G_STORAGE_TYPE_SYMBOL_TABLE"); // Original format + break; + case H5G_STORAGE_TYPE_UNKNOWN: + System.out.println("H5G_STORAGE_TYPE_UNKNOWN"); + break; + default: + System.out.println("Storage Type Invalid"); + break; + } + } + } + catch (Exception e) { + e.printStackTrace(); + } + + // Close the group. + try { + if (group_id >= 0) + H5.H5Gclose(group_id); + } + catch (Exception e) { + e.printStackTrace(); + } + + // close the file 1. + try { + if (file_id >= 0) + H5.H5Fclose(file_id); + } + catch (Exception e) { + e.printStackTrace(); + } + + // Re-open file 1. Need to get the correct file size. + try { + file_id = H5.H5Fopen(FILE1, HDF5Constants.H5F_ACC_RDONLY, HDF5Constants.H5P_DEFAULT); + } + catch (Exception e) { + e.printStackTrace(); + } + + // Obtain and print the file size. + try { + if (file_id >= 0) { + size = H5.H5Fget_filesize(file_id); + System.out.println("File size for " + FILE1 + " is: " + size + " bytes"); + } + } + catch (Exception e) { + e.printStackTrace(); + } + + // Close FILE1. + try { + if (file_id >= 0) + H5.H5Fclose(file_id); + } + catch (Exception e) { + e.printStackTrace(); + } + + // Set file access property list to allow the latest file format. + // This will allow the library to create new compact format groups. + try { + fapl_id = H5.H5Pcreate(HDF5Constants.H5P_FILE_ACCESS); + if (fapl_id >= 0) + H5.H5Pset_libver_bounds(fapl_id, HDF5Constants.H5F_LIBVER_LATEST, HDF5Constants.H5F_LIBVER_LATEST); + } + catch (Exception e) { + e.printStackTrace(); + } + System.out.println(); + // Create file 2 using the new file access property list. + try { + file_id = H5.H5Fcreate(FILE2, HDF5Constants.H5F_ACC_TRUNC, HDF5Constants.H5P_DEFAULT, fapl_id); + } + catch (Exception e) { + e.printStackTrace(); + } + // Create group in file2. + try { + if(file_id >= 0) + group_id = H5.H5Gcreate(file_id, GROUP, HDF5Constants.H5P_DEFAULT, HDF5Constants.H5P_DEFAULT, HDF5Constants.H5P_DEFAULT); + } + catch (Exception e) { + e.printStackTrace(); + } + + // Obtain the group info and print the group storage type. + try { + if (group_id >= 0) { + ginfo = H5.H5Gget_info(group_id); + System.out.print("Group storage type for " + FILE2 + " is: "); + switch (H5G_storage.get(ginfo.storage_type)) { + case H5G_STORAGE_TYPE_COMPACT: + System.out.println("H5G_STORAGE_TYPE_COMPACT"); // New compact format + break; + case H5G_STORAGE_TYPE_DENSE: + System.out.println("H5G_STORAGE_TYPE_DENSE"); // New dense (indexed) format + break; + case H5G_STORAGE_TYPE_SYMBOL_TABLE: + System.out.println("H5G_STORAGE_TYPE_SYMBOL_TABLE"); // Original format + break; + case H5G_STORAGE_TYPE_UNKNOWN: + System.out.println("H5G_STORAGE_TYPE_UNKNOWN"); + break; + default: + System.out.println("Storage Type Invalid"); + break; + } + } + } + catch (Exception e) { + e.printStackTrace(); + } + + // Close the group. + try { + if (group_id >= 0) + H5.H5Gclose(group_id); + } + catch (Exception e) { + e.printStackTrace(); + } + + // close the file 2. + try { + if (file_id >= 0) + H5.H5Fclose(file_id); + } + catch (Exception e) { + e.printStackTrace(); + } + + // Re-open file 2. Needed to get the correct file size. + try { + file_id = H5.H5Fopen(FILE2, HDF5Constants.H5F_ACC_RDONLY, fapl_id); + } + catch (Exception e) { + e.printStackTrace(); + } + + // Obtain and print the file size. + try { + if (file_id >= 0) { + size = H5.H5Fget_filesize(file_id); + System.out.println("File size for " + FILE2 + " is: " + size + " bytes"); + } + } + catch (Exception e) { + e.printStackTrace(); + } + + // Close FILE2. + try { + if (file_id >= 0) + H5.H5Fclose(file_id); + } + catch (Exception e) { + e.printStackTrace(); + } + } + + public static void main(String[] args) { + H5Ex_G_Compact.CreateGroup(); + } +} diff --git a/java/examples/groups/H5Ex_G_Corder.java b/java/examples/groups/H5Ex_G_Corder.java new file mode 100644 index 0000000..95790bf --- /dev/null +++ b/java/examples/groups/H5Ex_G_Corder.java @@ -0,0 +1,121 @@ +/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * + * Copyright by The HDF Group. * + * Copyright by the Board of Trustees of the University of Illinois. * + * 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 files COPYING and Copyright.html. COPYING can be found at the root * + * of the source code distribution tree; Copyright.html can be found at the * + * root level of an installed copy of the electronic HDF5 document set and * + * is linked from the top-level documents page. It can also be found at * + * http://hdfgroup.org/HDF5/doc/Copyright.html. If you do not have * + * access to either file, you may request a copy from help@hdfgroup.org. * + * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */ +/************************************************************ + Creating a file with creation properties and traverse the + groups in alpabetical and creation order. + ************************************************************/ + +package examples.groups; + +import hdf.hdf5lib.H5; +import hdf.hdf5lib.HDF5Constants; +import hdf.hdf5lib.structs.H5G_info_t; + +public class H5Ex_G_Corder { + private static String FILE = "H5Ex_G_Corder.h5"; + + private static void CreateGroup() throws Exception { + long file_id = -1; + long group_id = -1; + long subgroup_id = -1; + long gcpl_id = -1; + int status; + H5G_info_t ginfo; + int i; + String name; + + try { + // Create a new file using default properties. + file_id = H5.H5Fcreate(FILE, HDF5Constants.H5F_ACC_TRUNC, HDF5Constants.H5P_DEFAULT, + HDF5Constants.H5P_DEFAULT); + + // Create group creation property list and enable link creation order tracking. + gcpl_id = H5.H5Pcreate(HDF5Constants.H5P_GROUP_CREATE); + status = H5.H5Pset_link_creation_order(gcpl_id, HDF5Constants.H5P_CRT_ORDER_TRACKED + + HDF5Constants.H5P_CRT_ORDER_INDEXED); + + // Create primary group using the property list. + if (status >= 0) + group_id = H5.H5Gcreate(file_id, "index_group", HDF5Constants.H5P_DEFAULT, gcpl_id, + HDF5Constants.H5P_DEFAULT); + + try { + /* + * Create subgroups in the primary group. These will be tracked by creation order. Note that these + * groups do not have to have the creation order tracking property set. + */ + subgroup_id = H5.H5Gcreate(group_id, "H", HDF5Constants.H5P_DEFAULT, HDF5Constants.H5P_DEFAULT, + HDF5Constants.H5P_DEFAULT); + status = H5.H5Gclose(subgroup_id); + subgroup_id = H5.H5Gcreate(group_id, "D", HDF5Constants.H5P_DEFAULT, HDF5Constants.H5P_DEFAULT, + HDF5Constants.H5P_DEFAULT); + status = H5.H5Gclose(subgroup_id); + subgroup_id = H5.H5Gcreate(group_id, "F", HDF5Constants.H5P_DEFAULT, HDF5Constants.H5P_DEFAULT, + HDF5Constants.H5P_DEFAULT); + status = H5.H5Gclose(subgroup_id); + subgroup_id = H5.H5Gcreate(group_id, "5", HDF5Constants.H5P_DEFAULT, HDF5Constants.H5P_DEFAULT, + HDF5Constants.H5P_DEFAULT); + status = H5.H5Gclose(subgroup_id); + + // Get group info. + ginfo = H5.H5Gget_info(group_id); + + // Traverse links in the primary group using alphabetical indices (H5_INDEX_NAME). + System.out.println("Traversing group using alphabetical indices:"); + for (i = 0; i < ginfo.nlinks; i++) { + // Retrieve the name of the ith link in a group + name = H5.H5Lget_name_by_idx(group_id, ".", HDF5Constants.H5_INDEX_NAME, HDF5Constants.H5_ITER_INC, + i, HDF5Constants.H5P_DEFAULT); + System.out.println("Index " + i + ": " + name); + } + + // Traverse links in the primary group by creation order (H5_INDEX_CRT_ORDER). + System.out.println("Traversing group using creation order indices:"); + for (i = 0; i < ginfo.nlinks; i++) { + // Retrieve the name of the ith link in a group + name = H5.H5Lget_name_by_idx(group_id, ".", HDF5Constants.H5_INDEX_CRT_ORDER, + HDF5Constants.H5_ITER_INC, i, HDF5Constants.H5P_DEFAULT); + System.out.println("Index " + i + ": " + name); + } + + } + catch (Exception e) { + e.printStackTrace(); + } + } + catch (Exception e) { + e.printStackTrace(); + } + finally { + // Close and release resources. + if (gcpl_id >= 0) + H5.H5Pclose(gcpl_id); + if (group_id >= 0) + H5.H5Gclose(group_id); + if (file_id >= 0) + H5.H5Fclose(file_id); + } + } + + public static void main(String[] args) { + try { + H5Ex_G_Corder.CreateGroup(); + } + catch (Exception ex) { + ex.printStackTrace(); + } + } + +} diff --git a/java/examples/groups/H5Ex_G_Create.java b/java/examples/groups/H5Ex_G_Create.java new file mode 100644 index 0000000..1902d86 --- /dev/null +++ b/java/examples/groups/H5Ex_G_Create.java @@ -0,0 +1,94 @@ +/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * + * Copyright by The HDF Group. * + * Copyright by the Board of Trustees of the University of Illinois. * + * 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 files COPYING and Copyright.html. COPYING can be found at the root * + * of the source code distribution tree; Copyright.html can be found at the * + * root level of an installed copy of the electronic HDF5 document set and * + * is linked from the top-level documents page. It can also be found at * + * http://hdfgroup.org/HDF5/doc/Copyright.html. If you do not have * + * access to either file, you may request a copy from help@hdfgroup.org. * + * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */ + +/************************************************************ + This example shows how to create, open, and close a group. + ************************************************************/ + +package examples.groups; + +import hdf.hdf5lib.H5; +import hdf.hdf5lib.HDF5Constants; + +public class H5Ex_G_Create { + private static String FILENAME = "H5Ex_G_Create.h5"; + private static String GROUPNAME = "G1"; + + private static void CreateGroup() { + long file_id = -1; + long group_id = -1; + + // 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 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); + } + catch (Exception e) { + e.printStackTrace(); + } + + // Close the group. The handle "group" can no longer be used. + try { + if (group_id >= 0) + H5.H5Gclose(group_id); + } + catch (Exception e) { + e.printStackTrace(); + } + + // Re-open the group, obtaining a new handle. + try { + if (file_id >= 0) + group_id = H5.H5Gopen(file_id, "/" + GROUPNAME, HDF5Constants.H5P_DEFAULT); + } + catch (Exception e) { + e.printStackTrace(); + } + + // Close the group. + try { + if (group_id >= 0) + H5.H5Gclose(group_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_G_Create.CreateGroup(); + } + +} diff --git a/java/examples/groups/H5Ex_G_Intermediate.java b/java/examples/groups/H5Ex_G_Intermediate.java new file mode 100644 index 0000000..a3d620b --- /dev/null +++ b/java/examples/groups/H5Ex_G_Intermediate.java @@ -0,0 +1,125 @@ +/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * + * Copyright by The HDF Group. * + * Copyright by the Board of Trustees of the University of Illinois. * + * 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 files COPYING and Copyright.html. COPYING can be found at the root * + * of the source code distribution tree; Copyright.html can be found at the * + * root level of an installed copy of the electronic HDF5 document set and * + * is linked from the top-level documents page. It can also be found at * + * http://hdfgroup.org/HDF5/doc/Copyright.html. If you do not have * + * access to either file, you may request a copy from help@hdfgroup.org. * + * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */ + +/************************************************************ + This example shows how to create intermediate groups with + a single call to H5Gcreate. + ************************************************************/ +package examples.groups; + +import hdf.hdf5lib.H5; +import hdf.hdf5lib.HDF5Constants; +import hdf.hdf5lib.callbacks.H5O_iterate_cb; +import hdf.hdf5lib.callbacks.H5O_iterate_t; +import hdf.hdf5lib.structs.H5O_info_t; + +import java.util.ArrayList; + +public class H5Ex_G_Intermediate { + + private static String FILE = "H5Ex_G_Intermediate.h5"; + + private void CreateGroup() throws Exception { + + long file_id = -1; + long group_id = -1; + long gcpl_id = -1; + + try { + // Create a new file_id using the default properties. + file_id = H5.H5Fcreate(FILE, HDF5Constants.H5F_ACC_TRUNC, HDF5Constants.H5P_DEFAULT, + HDF5Constants.H5P_DEFAULT); + + // Create group_id creation property list and set it to allow creation of intermediate group_ids. + gcpl_id = H5.H5Pcreate(HDF5Constants.H5P_LINK_CREATE); + H5.H5Pset_create_intermediate_group(gcpl_id, true); + + /* + * Create the group_id /G1/G2/G3. Note that /G1 and /G1/G2 do not exist yet. This call would cause an error + * if we did not use the previously created property list. + */ + group_id = H5 + .H5Gcreate(file_id, "/G1/G2/G3", gcpl_id, HDF5Constants.H5P_DEFAULT, HDF5Constants.H5P_DEFAULT); + // Print all the objects in the file_ids to show that intermediate group_ids have been created. + System.out.println("Objects in the file_id:"); + + // H5O_iterate_t iter_data = null; + H5O_iterate_t iter_data = new H5O_iter_data(); + H5O_iterate_cb iter_cb = new H5O_iter_callback(); + + H5.H5Ovisit(file_id, HDF5Constants.H5_INDEX_NAME, HDF5Constants.H5_ITER_NATIVE, iter_cb, iter_data); + } + catch (Exception e) { + e.printStackTrace(); + } + finally { + // Close and release resources. + if (gcpl_id >= 0) + H5.H5Pclose(gcpl_id); + if (group_id >= 0) + H5.H5Gclose(group_id); + if (file_id >= 0) + H5.H5Fclose(file_id); + } + } + + public static void main(String[] args) { + try { + (new H5Ex_G_Intermediate()).CreateGroup(); + } + catch (Exception ex) { + ex.printStackTrace(); + } + } + + private class idata { + public String link_name = null; + public int link_type = -1; + + idata(String name, int type) { + this.link_name = name; + this.link_type = type; + } + } + + private class H5O_iter_data implements H5O_iterate_t { + public ArrayList<idata> iterdata = new ArrayList<idata>(); + } + + private class H5O_iter_callback implements H5O_iterate_cb { + public int callback(long group, String name, H5O_info_t info, H5O_iterate_t op_data) { + idata id = new idata(name, info.type); + ((H5O_iter_data) op_data).iterdata.add(id); + + System.out.print("/"); /* Print root group in object path */ + + // Check if the current object is the root group, and if not print the full path name and type. + + if (name.charAt(0) == '.') /* Root group, do not print '.' */ + System.out.println(" (Group)"); + else if (info.type == HDF5Constants.H5O_TYPE_GROUP) + System.out.println(name + " (Group)"); + else if (info.type == HDF5Constants.H5O_TYPE_DATASET) + System.out.println(name + " (Dataset)"); + else if (info.type == HDF5Constants.H5O_TYPE_NAMED_DATATYPE) + System.out.println(name + " (Datatype)"); + else + System.out.println(name + " (Unknown)"); + + return 0; + } + } + +} diff --git a/java/examples/groups/H5Ex_G_Iterate.java b/java/examples/groups/H5Ex_G_Iterate.java new file mode 100644 index 0000000..d0b4ea4 --- /dev/null +++ b/java/examples/groups/H5Ex_G_Iterate.java @@ -0,0 +1,119 @@ +/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * + * Copyright by The HDF Group. * + * Copyright by the Board of Trustees of the University of Illinois. * + * 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 files COPYING and Copyright.html. COPYING can be found at the root * + * of the source code distribution tree; Copyright.html can be found at the * + * root level of an installed copy of the electronic HDF5 document set and * + * is linked from the top-level documents page. It can also be found at * + * http://hdfgroup.org/HDF5/doc/Copyright.html. If you do not have * + * access to either file, you may request a copy from help@hdfgroup.org. * + * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */ + +/************************************************************ + This example shows how to iterate over group members using + H5Gget_obj_info_all. + ************************************************************/ +package examples.groups; + +import hdf.hdf5lib.H5; +import hdf.hdf5lib.HDF5Constants; + +import java.util.EnumSet; +import java.util.HashMap; +import java.util.Map; + +public class H5Ex_G_Iterate { + private static String FILENAME = "groups/h5ex_g_iterate.h5"; + private static String DATASETNAME = "/"; + + enum H5O_type { + H5O_TYPE_UNKNOWN(-1), // Unknown object type + H5O_TYPE_GROUP(0), // Object is a group + H5O_TYPE_DATASET(1), // Object is a dataset + H5O_TYPE_NAMED_DATATYPE(2), // Object is a named data type + H5O_TYPE_NTYPES(3); // Number of different object types + private static final Map<Integer, H5O_type> lookup = new HashMap<Integer, H5O_type>(); + + static { + for (H5O_type s : EnumSet.allOf(H5O_type.class)) + lookup.put(s.getCode(), s); + } + + private int code; + + H5O_type(int layout_type) { + this.code = layout_type; + } + + public int getCode() { + return this.code; + } + + public static H5O_type get(int code) { + return lookup.get(code); + } + } + + private static void do_iterate() { + long file_id = -1; + + // Open a file using default properties. + try { + file_id = H5.H5Fopen(FILENAME, HDF5Constants.H5F_ACC_RDONLY, HDF5Constants.H5P_DEFAULT); + } + catch (Exception e) { + e.printStackTrace(); + } + + // Begin iteration. + System.out.println("Objects in root group:"); + try { + if (file_id >= 0) { + int count = (int) H5.H5Gn_members(file_id, DATASETNAME); + String[] oname = new String[count]; + int[] otype = new int[count]; + int[] ltype = new int[count]; + long[] orefs = new long[count]; + H5.H5Gget_obj_info_all(file_id, DATASETNAME, oname, otype, ltype, orefs, HDF5Constants.H5_INDEX_NAME); + + // Get type of the object and display its name and type. + for (int indx = 0; indx < otype.length; indx++) { + switch (H5O_type.get(otype[indx])) { + case H5O_TYPE_GROUP: + System.out.println(" Group: " + oname[indx]); + break; + case H5O_TYPE_DATASET: + System.out.println(" Dataset: " + oname[indx]); + break; + case H5O_TYPE_NAMED_DATATYPE: + System.out.println(" Datatype: " + oname[indx]); + break; + default: + System.out.println(" Unknown: " + oname[indx]); + } + } + } + } + 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_G_Iterate.do_iterate(); + } + +} diff --git a/java/examples/groups/H5Ex_G_Phase.java b/java/examples/groups/H5Ex_G_Phase.java new file mode 100644 index 0000000..f23d6f2 --- /dev/null +++ b/java/examples/groups/H5Ex_G_Phase.java @@ -0,0 +1,241 @@ +/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * + * Copyright by The HDF Group. * + * Copyright by the Board of Trustees of the University of Illinois. * + * 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 files COPYING and Copyright.html. COPYING can be found at the root * + * of the source code distribution tree; Copyright.html can be found at the * + * root level of an installed copy of the electronic HDF5 document set and * + * is linked from the top-level documents page. It can also be found at * + * http://hdfgroup.org/HDF5/doc/Copyright.html. If you do not have * + * access to either file, you may request a copy from help@hdfgroup.org. * + * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */ + +/************************************************************ + This example shows how to set the conditions for + conversion between compact and dense (indexed) groups. + ************************************************************/ +package examples.groups; + +import hdf.hdf5lib.H5; +import hdf.hdf5lib.HDF5Constants; +import hdf.hdf5lib.structs.H5G_info_t; + +import java.util.EnumSet; +import java.util.HashMap; +import java.util.Map; + +public class H5Ex_G_Phase { + private static String FILE = "H5Ex_G_Phase.h5"; + private static int MAX_GROUPS = 7; + private static int MAX_COMPACT = 5; + private static int MIN_DENSE = 3; + + enum H5G_storage { + H5G_STORAGE_TYPE_UNKNOWN(-1), + H5G_STORAGE_TYPE_SYMBOL_TABLE(0), + H5G_STORAGE_TYPE_COMPACT(1), + H5G_STORAGE_TYPE_DENSE(2); + + private static final Map<Integer, H5G_storage> lookup = new HashMap<Integer, H5G_storage>(); + + static { + for (H5G_storage s : EnumSet.allOf(H5G_storage.class)) + lookup.put(s.getCode(), s); + } + + private int code; + + H5G_storage(int layout_type) { + this.code = layout_type; + } + + public int getCode() { + return this.code; + } + + public static H5G_storage get(int code) { + return lookup.get(code); + } + } + + private static void CreateGroup() { + long file_id = -1; + long group_id = -1; + long subgroup_id = -1; + long fapl_id = -1; + long gcpl_id = -1; + H5G_info_t ginfo; + String name = "G0"; // Name of subgroup_id + int i; + + // Set file access property list to allow the latest file format.This will allow the library to create new + // format groups. + try { + fapl_id = H5.H5Pcreate(HDF5Constants.H5P_FILE_ACCESS); + if (fapl_id >= 0) + H5.H5Pset_libver_bounds(fapl_id, HDF5Constants.H5F_LIBVER_LATEST, HDF5Constants.H5F_LIBVER_LATEST); + } + catch (Exception e) { + e.printStackTrace(); + } + + // Create group access property list and set the phase change conditions. + try { + gcpl_id = H5.H5Pcreate(HDF5Constants.H5P_GROUP_CREATE); + if (gcpl_id >= 0) + H5.H5Pset_link_phase_change(gcpl_id, MAX_COMPACT, MIN_DENSE); + } + catch (Exception e) { + e.printStackTrace(); + } + + // Create a new file using the default properties. + try { + if (fapl_id >= 0) + file_id = H5.H5Fcreate(FILE, HDF5Constants.H5F_ACC_TRUNC, HDF5Constants.H5P_DEFAULT, fapl_id); + } + catch (Exception e) { + e.printStackTrace(); + } + + // Create primary group. + try { + if ((file_id >= 0) && (gcpl_id >= 0)) + group_id = H5.H5Gcreate(file_id, name, HDF5Constants.H5P_DEFAULT, gcpl_id, HDF5Constants.H5P_DEFAULT); + } + catch (Exception e) { + e.printStackTrace(); + } + + // Add subgroups to "group" one at a time, print the storage type for "group" after each subgroup is created. + for (i = 1; i <= MAX_GROUPS; i++) { + // Define the subgroup name and create the subgroup. + char append = (char) (((char) i) + '0'); + name = name + append; /* G1, G2, G3 etc. */ + try { + if (group_id >= 0) { + subgroup_id = H5.H5Gcreate(group_id, name, HDF5Constants.H5P_DEFAULT, HDF5Constants.H5P_DEFAULT, + HDF5Constants.H5P_DEFAULT); + H5.H5Gclose(subgroup_id); + } + } + catch (Exception e) { + e.printStackTrace(); + } + + // Obtain the group info and print the group storage type + try { + if (group_id >= 0) { + ginfo = H5.H5Gget_info(group_id); + System.out.print(ginfo.nlinks + " Group" + (ginfo.nlinks == 1 ? " " : "s") + ": Storage type is "); + switch (H5G_storage.get(ginfo.storage_type)) { + case H5G_STORAGE_TYPE_COMPACT: + System.out.println("H5G_STORAGE_TYPE_COMPACT"); // New compact format + break; + case H5G_STORAGE_TYPE_DENSE: + System.out.println("H5G_STORAGE_TYPE_DENSE"); // New dense (indexed) format + break; + case H5G_STORAGE_TYPE_SYMBOL_TABLE: + System.out.println("H5G_STORAGE_TYPE_SYMBOL_TABLE"); // Original format + break; + case H5G_STORAGE_TYPE_UNKNOWN: + System.out.println("H5G_STORAGE_TYPE_UNKNOWN"); + break; + default: + System.out.println("Storage Type Invalid"); + break; + } + } + } + catch (Exception e) { + e.printStackTrace(); + } + } + + System.out.println(); + + // Delete subgroups one at a time, print the storage type for "group" after each subgroup is deleted. + for (i = MAX_GROUPS; i >= 1; i--) { + // Define the subgroup name and delete the subgroup. + try { + H5.H5Ldelete(group_id, name, HDF5Constants.H5P_DEFAULT); + } + catch (Exception e) { + e.printStackTrace(); + } + name = name.substring(0, i + 1); + + // Obtain the group info and print the group storage type + try { + if (group_id >= 0) { + ginfo = H5.H5Gget_info(group_id); + System.out.print(ginfo.nlinks + " Group" + (ginfo.nlinks == 1 ? " " : "s") + ": Storage type is "); + switch (H5G_storage.get(ginfo.storage_type)) { + case H5G_STORAGE_TYPE_COMPACT: + System.out.println("H5G_STORAGE_TYPE_COMPACT"); // New compact format + break; + case H5G_STORAGE_TYPE_DENSE: + System.out.println("H5G_STORAGE_TYPE_DENSE"); // New dense (indexed) format + break; + case H5G_STORAGE_TYPE_SYMBOL_TABLE: + System.out.println("H5G_STORAGE_TYPE_SYMBOL_TABLE"); // Original format + break; + case H5G_STORAGE_TYPE_UNKNOWN: + System.out.println("H5G_STORAGE_TYPE_UNKNOWN"); + break; + default: + System.out.println("Storage Type Invalid"); + break; + } + } + } + catch (Exception e) { + e.printStackTrace(); + } + } + + // Close and release resources + try { + if (fapl_id >= 0) + H5.H5Pclose(fapl_id); + } + catch (Exception e) { + e.printStackTrace(); + } + + try { + if (gcpl_id >= 0) + H5.H5Pclose(gcpl_id); + } + catch (Exception e) { + e.printStackTrace(); + } + + // Close the group + try { + if (group_id >= 0) + H5.H5Gclose(group_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_G_Phase.CreateGroup(); + } + +} diff --git a/java/examples/groups/H5Ex_G_Traverse.java b/java/examples/groups/H5Ex_G_Traverse.java new file mode 100644 index 0000000..b00fe97 --- /dev/null +++ b/java/examples/groups/H5Ex_G_Traverse.java @@ -0,0 +1,167 @@ +/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * + * Copyright by The HDF Group. * + * Copyright by the Board of Trustees of the University of Illinois. * + * 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 files COPYING and Copyright.html. COPYING can be found at the root * + * of the source code distribution tree; Copyright.html can be found at the * + * root level of an installed copy of the electronic HDF5 document set and * + * is linked from the top-level documents page. It can also be found at * + * http://hdfgroup.org/HDF5/doc/Copyright.html. If you do not have * + * access to either file, you may request a copy from help@hdfgroup.org. * + * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */ + +/************************************************************ +This example shows a way to recursively traverse the file +using H5Literate. The method shown here guarantees that +the recursion will not enter an infinite loop, but does +not prevent objects from being visited more than once. +The program prints the directory structure of the file +specified in FILE. The default file used by this example +implements the structure described in the User's Guide, +chapter 4, figure 26. + ************************************************************/ +package examples.groups; + +import hdf.hdf5lib.H5; +import hdf.hdf5lib.HDF5Constants; +import hdf.hdf5lib.callbacks.H5L_iterate_cb; +import hdf.hdf5lib.callbacks.H5L_iterate_t; +import hdf.hdf5lib.structs.H5L_info_t; +import hdf.hdf5lib.structs.H5O_info_t; +import examples.groups.H5Ex_G_Iterate.H5O_type; + +class opdata implements H5L_iterate_t { + int recurs; + opdata prev; + long addr; +} + +public class H5Ex_G_Traverse { + + private static String FILE = "h5ex_g_traverse.h5"; + public static H5L_iterate_cb iter_cb = new H5L_iter_callbackT(); + + private static void OpenGroup() { + long file_id = -1; + H5O_info_t infobuf; + opdata od = new opdata(); + + // Open file and initialize the operator data structure. + try { + file_id = H5.H5Fopen(FILE, HDF5Constants.H5F_ACC_RDONLY, HDF5Constants.H5P_DEFAULT); + if (file_id >= 0) { + infobuf = H5.H5Oget_info(file_id); + od.recurs = 0; + od.prev = null; + od.addr = infobuf.addr; + } + } + catch (Exception e) { + e.printStackTrace(); + } + + // Print the root group and formatting, begin iteration. + try { + System.out.println("/ {"); + // H5L_iterate_cb iter_cb = new H5L_iter_callbackT(); + H5.H5Literate(file_id, HDF5Constants.H5_INDEX_NAME, HDF5Constants.H5_ITER_NATIVE, 0L, iter_cb, od); + System.out.println("}"); + } + catch (Exception e) { + e.printStackTrace(); + } + + // Close and release resources. + try { + if (file_id >= 0) + H5.H5Fclose(file_id); + } + catch (Exception e) { + e.printStackTrace(); + } + } + + public static void main(String[] args) { + H5Ex_G_Traverse.OpenGroup(); + } +} + +class H5L_iter_callbackT implements H5L_iterate_cb { + public int callback(long group, String name, H5L_info_t info, H5L_iterate_t op_data) { + + H5O_info_t infobuf; + int return_val = 0; + opdata od = (opdata) op_data; // Type conversion + int spaces = 2 * (od.recurs + 1); // Number of white spaces to prepend to output. + + // Get type of the object and display its name and type. + // The name of the object is passed to this function by the Library. + try { + infobuf = H5.H5Oget_info_by_name(group, name, HDF5Constants.H5P_DEFAULT); + + for (int i = 0; i < spaces; i++) + System.out.print(" "); // Format output. + switch (H5O_type.get(infobuf.type)) { + case H5O_TYPE_GROUP: + System.out.println("Group: " + name + " { "); + // Check group address against linked list of operator + // data structures. We will always run the check, as the + // reference count cannot be relied upon if there are + // symbolic links, and H5Oget_info_by_name always follows + // symbolic links. Alternatively we could use H5Lget_info + // and never recurse on groups discovered by symbolic + // links, however it could still fail if an object's + // reference count was manually manipulated with + // H5Odecr_refcount. + if (group_check(od, infobuf.addr)) { + for (int i = 0; i < spaces; i++) + System.out.print(" "); + System.out.println(" Warning: Loop detected!"); + } + else { + // Initialize new object of type opdata and begin + // recursive iteration on the discovered + // group. The new opdata is given a pointer to the + // current one. + opdata nextod = new opdata(); + nextod.recurs = od.recurs + 1; + nextod.prev = od; + nextod.addr = infobuf.addr; + H5L_iterate_cb iter_cb2 = new H5L_iter_callbackT(); + return_val = H5.H5Literate_by_name(group, name, HDF5Constants.H5_INDEX_NAME, + HDF5Constants.H5_ITER_NATIVE, 0L, iter_cb2, nextod, HDF5Constants.H5P_DEFAULT); + } + for (int i = 0; i < spaces; i++) + System.out.print(" "); + System.out.println("}"); + break; + case H5O_TYPE_DATASET: + System.out.println("Dataset: " + name); + break; + case H5O_TYPE_NAMED_DATATYPE: + System.out.println("Datatype: " + name); + break; + default: + System.out.println("Unknown: " + name); + } + } + catch (Exception e) { + e.printStackTrace(); + } + + return return_val; + } + + public boolean group_check(opdata od, long target_addr) { + if (od.addr == target_addr) + return true; // Addresses match + else if (od.recurs == 0) + return false; // Root group reached with no matches + else + return group_check(od.prev, target_addr); // Recursively examine the next node + } + +} diff --git a/java/examples/groups/H5Ex_G_Visit.java b/java/examples/groups/H5Ex_G_Visit.java new file mode 100644 index 0000000..c2367a6 --- /dev/null +++ b/java/examples/groups/H5Ex_G_Visit.java @@ -0,0 +1,152 @@ +/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * + * Copyright by The HDF Group. * + * Copyright by the Board of Trustees of the University of Illinois. * + * 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 files COPYING and Copyright.html. COPYING can be found at the root * + * of the source code distribution tree; Copyright.html can be found at the * + * root level of an installed copy of the electronic HDF5 document set and * + * is linked from the top-level documents page. It can also be found at * + * http://hdfgroup.org/HDF5/doc/Copyright.html. If you do not have * + * access to either file, you may request a copy from help@hdfgroup.org. * + * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */ + +/************************************************************ + This example shows how to recursively traverse a file + using H5Ovisit and H5Lvisit. The program prints all of + the objects in the file specified in FILE, then prints all + of the links in that file. The default file used by this + example implements the structure described in the User's + Guide, chapter 4, figure 26. + ************************************************************/ +package examples.groups; + +import hdf.hdf5lib.H5; +import hdf.hdf5lib.HDF5Constants; +import hdf.hdf5lib.callbacks.H5L_iterate_cb; +import hdf.hdf5lib.callbacks.H5L_iterate_t; +import hdf.hdf5lib.callbacks.H5O_iterate_cb; +import hdf.hdf5lib.callbacks.H5O_iterate_t; +import hdf.hdf5lib.structs.H5L_info_t; +import hdf.hdf5lib.structs.H5O_info_t; + +import java.util.ArrayList; + +public class H5Ex_G_Visit { + + private static String FILE = "groups/h5ex_g_visit.h5"; + + public static void main(String[] args) { + try { + (new H5Ex_G_Visit()).VisitGroup(); + } + catch (Exception ex) { + ex.printStackTrace(); + } + } + + private void VisitGroup() throws Exception { + + long file_id = -1; + + try { + // Open file + file_id = H5.H5Fopen(FILE, HDF5Constants.H5F_ACC_RDONLY, HDF5Constants.H5P_DEFAULT); + + // Begin iteration using H5Ovisit + System.out.println("Objects in the file:"); + H5O_iterate_t iter_data = new H5O_iter_data(); + H5O_iterate_cb iter_cb = new H5O_iter_callback(); + H5.H5Ovisit(file_id, HDF5Constants.H5_INDEX_NAME, HDF5Constants.H5_ITER_NATIVE, iter_cb, iter_data); + System.out.println(); + // Repeat the same process using H5Lvisit + H5L_iterate_t iter_data2 = new H5L_iter_data(); + H5L_iterate_cb iter_cb2 = new H5L_iter_callback(); + System.out.println("Links in the file:"); + H5.H5Lvisit(file_id, HDF5Constants.H5_INDEX_NAME, HDF5Constants.H5_ITER_NATIVE, iter_cb2, iter_data2); + + } + catch (Exception e) { + e.printStackTrace(); + } + finally { + // Close and release resources. + if (file_id >= 0) + H5.H5Fclose(file_id); + } + } + + /************************************************************ + * Operator function for H5Lvisit. This function simply retrieves the info for the object the current link points + * to, and calls the operator function for H5Ovisit. + ************************************************************/ + + private class idata { + public String link_name = null; + public int link_type = -1; + + idata(String name, int type) { + this.link_name = name; + this.link_type = type; + } + } + + private class H5L_iter_data implements H5L_iterate_t { + public ArrayList<idata> iterdata = new ArrayList<idata>(); + } + + private class H5L_iter_callback implements H5L_iterate_cb { + public int callback(long group, String name, H5L_info_t info, H5L_iterate_t op_data) { + + idata id = new idata(name, info.type); + ((H5L_iter_data) op_data).iterdata.add(id); + + H5O_info_t infobuf; + int ret = 0; + try { + // Get type of the object and display its name and type. The name of the object is passed to this + // function by the Library. + infobuf = H5.H5Oget_info_by_name(group, name, HDF5Constants.H5P_DEFAULT); + H5O_iterate_cb iter_cbO = new H5O_iter_callback(); + H5O_iterate_t iter_dataO = new H5O_iter_data(); + ret = iter_cbO.callback(group, name, infobuf, iter_dataO); + } + catch (Exception e) { + e.printStackTrace(); + } + + return ret; + } + } + + private class H5O_iter_data implements H5O_iterate_t { + public ArrayList<idata> iterdata = new ArrayList<idata>(); + } + + private class H5O_iter_callback implements H5O_iterate_cb { + public int callback(long group, String name, H5O_info_t info, H5O_iterate_t op_data) { + idata id = new idata(name, info.type); + ((H5O_iter_data) op_data).iterdata.add(id); + + System.out.print("/"); /* Print root group in object path */ + + // Check if the current object is the root group, and if not print the full path name and type. + + if (name.charAt(0) == '.') /* Root group, do not print '.' */ + System.out.println(" (Group)"); + else if (info.type == HDF5Constants.H5O_TYPE_GROUP) + System.out.println(name + " (Group)"); + else if (info.type == HDF5Constants.H5O_TYPE_DATASET) + System.out.println(name + " (Dataset)"); + else if (info.type == HDF5Constants.H5O_TYPE_NAMED_DATATYPE) + System.out.println(name + " (Datatype)"); + else + System.out.println(name + " (Unknown)"); + + return 0; + } + } + +} diff --git a/java/examples/groups/Makefile.am b/java/examples/groups/Makefile.am new file mode 100644 index 0000000..be15b42 --- /dev/null +++ b/java/examples/groups/Makefile.am @@ -0,0 +1,68 @@ +# +# Copyright by The HDF Group. +# Copyright by the Board of Trustees of the University of Illinois. +# 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 files COPYING and Copyright.html. COPYING can be found at the root +# of the source code distribution tree; Copyright.html can be found at the +# root level of an installed copy of the electronic HDF5 document set and +# is linked from the top-level documents page. It can also be found at +# http://hdfgroup.org/HDF5/doc/Copyright.html. 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/groups +hdfjarfile = jar$(PACKAGE_TARNAME)-$(PACKAGE_VERSION).jar +CLASSPATH_ENV=CLASSPATH=.:$(JAVAROOT):$(top_builddir)/java/src/$(hdfjarfile):$(top_srcdir)/java/lib/slf4j-api-1.7.5.jar:$(top_srcdir)/java/lib/ext/slf4j-simple-1.7.5.jar:$$CLASSPATH + +jarfile = jar$(PACKAGE_TARNAME)groups.jar + +AM_JAVACFLAGS = $(H5_JAVACFLAGS) -deprecation + +TESTPACKAGE = + +noinst_JAVA = \ + H5Ex_G_Create.java \ + H5Ex_G_Iterate.java \ + H5Ex_G_Compact.java \ + H5Ex_G_Corder.java \ + H5Ex_G_Intermediate.java \ + H5Ex_G_Phase.java \ + H5Ex_G_Visit.java + + +$(jarfile): classnoinst.stamp classes + $(JAR) cvf $@ -C $(JAVAROOT)/ $(pkgpath) + +noinst_DATA = $(jarfile) + +.PHONY: classes + +check_SCRIPTS = runExample.sh +TEST_SCRIPT = $(check_SCRIPTS) + +CLEANFILES = classnoinst.stamp $(jarfile) $(JAVAROOT)/$(pkgpath)/*.class runExample.sh + +clean: + rm -rf $(JAVAROOT)/* + rm -f $(jarfile) + rm -f classnoinst.stamp + +include $(top_srcdir)/config/conclude.am diff --git a/java/examples/groups/h5ex_g_iterate.h5 b/java/examples/groups/h5ex_g_iterate.h5 Binary files differnew file mode 100644 index 0000000..e462703 --- /dev/null +++ b/java/examples/groups/h5ex_g_iterate.h5 diff --git a/java/examples/groups/h5ex_g_visit.h5 b/java/examples/groups/h5ex_g_visit.h5 Binary files differnew file mode 100644 index 0000000..d8267b1 --- /dev/null +++ b/java/examples/groups/h5ex_g_visit.h5 diff --git a/java/examples/groups/runExample.sh.in b/java/examples/groups/runExample.sh.in new file mode 100644 index 0000000..7dddc6d --- /dev/null +++ b/java/examples/groups/runExample.sh.in @@ -0,0 +1,341 @@ +#! /bin/sh +# +# Copyright by The HDF Group. +# Copyright by the Board of Trustees of the University of Illinois. +# All rights reserved. +# +# This file is part of HDF5. The full HDF5 copyright notice, including +# terms governing use, modification, and redistribution, is contained in +# the files COPYING and Copyright.html. COPYING can be found at the root +# of the source code distribution tree; Copyright.html can be found at the +# root level of an installed copy of the electronic HDF5 document set and +# is linked from the top-level documents page. It can also be found at +# http://hdfgroup.org/HDF5/doc/Copyright.html. If you do not have +# access to either file, you may request a copy from help@hdfgroup.org. +# + +top_builddir=@top_builddir@ +top_srcdir=@top_srcdir@ +srcdir=@srcdir@ + +TESTNAME=EX_Groups +EXIT_SUCCESS=0 +EXIT_FAILURE=1 + +# Set up default variable values if not supplied by the user. +RM='rm -rf' +CMP='cmp' +DIFF='diff -c' +CP='cp' +DIRNAME='dirname' +LS='ls' +AWK='awk' + +nerrors=0 + +# where the libs exist +HDFLIB_HOME="$top_srcdir/java/lib" +BLDLIBDIR="./lib" +BLDREFDIR="./groups" +BLDDIR="." +HDFTEST_HOME="$top_srcdir/java/examples/groups" +JARFILE=jar@PACKAGE_TARNAME@-@PACKAGE_VERSION@.jar +TESTJARFILE=jar@PACKAGE_TARNAME@groups.jar +test -d $BLDLIBDIR || mkdir -p $BLDLIBDIR +test -d $BLDREFDIR || mkdir -p $BLDREFDIR + +###################################################################### +# library files +# -------------------------------------------------------------------- +# All the library files copy from source directory to test directory +# NOTE: Keep this framework to add/remove test files. +# This list are also used for checking exist. +# Comment '#' without space can be used. +# -------------------------------------------------------------------- +LIST_LIBRARY_FILES=" +$HDFLIB_HOME/slf4j-api-1.7.5.jar +$HDFLIB_HOME/ext/slf4j-simple-1.7.5.jar +$top_builddir/src/.libs/libhdf5.* +$top_builddir/java/src/jni/.libs/libhdf5_java.* +$top_builddir/java/src/$JARFILE +" +LIST_REF_FILES=" +$HDFTEST_HOME/h5ex_g_iterate.h5 +$HDFTEST_HOME/h5ex_g_visit.h5 +" +LIST_DATA_FILES=" +$HDFTEST_HOME/../testfiles/examples.groups.H5Ex_G_Create.txt +$HDFTEST_HOME/../testfiles/examples.groups.H5Ex_G_Iterate.txt +$HDFTEST_HOME/../testfiles/examples.groups.H5Ex_G_Compact.txt +$HDFTEST_HOME/../testfiles/examples.groups.H5Ex_G_Corder.txt +$HDFTEST_HOME/../testfiles/examples.groups.H5Ex_G_Intermediate.txt +$HDFTEST_HOME/../testfiles/examples.groups.H5Ex_G_Phase.txt +$HDFTEST_HOME/../testfiles/examples.groups.H5Ex_G_Visit.txt +" + +# +# copy files from source dirs to test dir +# +COPY_LIBFILES="$LIST_LIBRARY_FILES" + +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 -f $tstfile $BLDLIBDIR + if [ $? -ne 0 ]; then + echo "Error: FAILED to copy $tstfile ." + + # Comment out this to CREATE expected file + exit $EXIT_FAILURE + fi + fi + fi + done +} + +CLEAN_LIBFILES_AND_BLDLIBDIR() +{ + # skip rm if srcdir is same as destdir + # this occurs when build/test performed in source dir and + # make cp fail + SDIR=`$DIRNAME $HDFLIB_HOME/slf4j-api-1.7.5.jar` + INODE_SDIR=`$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 $BLDLIBDIR + fi +} + +COPY_DATAFILES="$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.groups.H5Ex_G_*.txt + $RM $BLDDIR/H5Ex_G_*.out +} + +COPY_REFFILES="$LIST_REF_FILES" + +COPY_REFFILES_TO_BLDREFDIR() +{ + # copy test files. Used -f to make sure get a new copy + for tstfile in $COPY_REFFILES + 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 $BLDREFDIR | $AWK -F' ' '{print $1}'` + if [ "$INODE_SDIR" != "$INODE_DDIR" ]; then + $CP -f $tstfile $BLDREFDIR + if [ $? -ne 0 ]; then + echo "Error: FAILED to copy $tstfile ." + + # Comment out this to CREATE expected file + exit $EXIT_FAILURE + fi + fi + fi + done +} + +CLEAN_REFFILES_AND_BLDREFDIR() +{ + # skip rm if srcdir is same as destdir + # this occurs when build/test performed in source dir and + # make cp fail + SDIR=`$DIRNAME $HDFTEST_HOME/h5ex_g_iterate.h5` + INODE_SDIR=`$LS -i -d $SDIR | $AWK -F' ' '{print $1}'` + INODE_DDIR=`$LS -i -d $BLDREFDIR | $AWK -F' ' '{print $1}'` + if [ "$INODE_SDIR" != "$INODE_DDIR" ]; then + $RM $BLDREFDIR + fi +} + +# Print a line-line message left justified in a field of 70 characters +# beginning with the word "Testing". +# +TESTING() { + SPACES=" " + echo "Testing $* $SPACES" | cut -c1-70 | tr -d '\012' +} + +# where Java is installed (requires jdk1.7.x) +JAVAEXE=@JAVA@ +JAVAEXEFLAGS=@H5_JAVAFLAGS@ + +############################################################################### +# DO NOT MODIFY BELOW THIS LINE +############################################################################### + +# prepare for test +COPY_LIBFILES_TO_BLDLIBDIR +COPY_DATAFILES_TO_BLDDIR +COPY_REFFILES_TO_BLDREFDIR + +CPATH=".:"$BLDLIBDIR"/"$JARFILE":"$BLDLIBDIR"/slf4j-api-1.7.5.jar:"$BLDLIBDIR"/slf4j-simple-1.7.5.jar:"$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 $os_name in + Darwin) + DYLD_LIBRARY_PATH=$BLDLIBDIR:$DYLD_LIBRARY_PATH + export DYLD_LIBRARY_PATH + LD_LIBRARY_PATH=$DYLD_LIBRARY_PATH + ;; + *) + LD_LIBRARY_PATH=$BLDLIBDIR:$LD_LIBRARY_PATH + ;; +esac + +export LD_LIBRARY_PATH + +echo "$JAVAEXE $JAVAEXEFLAGS -Xmx1024M -Dorg.slf4j.simpleLogger.defaultLog=trace -Djava.library.path=$BLDLIBDIR -cp $CLASSPATH examples.groups.H5Ex_G_Create" +($JAVAEXE $JAVAEXEFLAGS -Xmx1024M -Dorg.slf4j.simpleLogger.defaultLog=trace -Djava.library.path=$BLDLIBDIR -cp $CLASSPATH examples.groups.H5Ex_G_Create > H5Ex_G_Create.out) +if diff H5Ex_G_Create.out examples.groups.H5Ex_G_Create.txt > /dev/null; then + echo " PASSED groups.H5Ex_G_Create" +else + echo "**FAILED** groups.H5Ex_G_Create" + nerrors="`expr $nerrors + 1`" +fi + +echo "$JAVAEXE $JAVAEXEFLAGS -Xmx1024M -Dorg.slf4j.simpleLogger.defaultLog=trace -Djava.library.path=$BLDLIBDIR -cp $CLASSPATH examples.groups.H5Ex_G_Iterate" +($JAVAEXE $JAVAEXEFLAGS -Xmx1024M -Dorg.slf4j.simpleLogger.defaultLog=trace -Djava.library.path=$BLDLIBDIR -cp $CLASSPATH examples.groups.H5Ex_G_Iterate > H5Ex_G_Iterate.out) +if diff H5Ex_G_Iterate.out examples.groups.H5Ex_G_Iterate.txt > /dev/null; then + echo " PASSED groups.H5Ex_G_Iterate" +else + echo "**FAILED** groups.H5Ex_G_Iterate" + nerrors="`expr $nerrors + 1`" +fi + +echo "$JAVAEXE $JAVAEXEFLAGS -Xmx1024M -Dorg.slf4j.simpleLogger.defaultLog=trace -Djava.library.path=$BLDLIBDIR -cp $CLASSPATH examples.groups.H5Ex_G_Compact" +($JAVAEXE $JAVAEXEFLAGS -Xmx1024M -Dorg.slf4j.simpleLogger.defaultLog=trace -Djava.library.path=$BLDLIBDIR -cp $CLASSPATH examples.groups.H5Ex_G_Compact > H5Ex_G_Compact.out) +if diff H5Ex_G_Compact.out examples.groups.H5Ex_G_Compact.txt > /dev/null; then + echo " PASSED groups.H5Ex_G_Compact" +else + echo "**FAILED** groups.H5Ex_G_Compact" + nerrors="`expr $nerrors + 1`" +fi + +echo "$JAVAEXE $JAVAEXEFLAGS -Xmx1024M -Dorg.slf4j.simpleLogger.defaultLog=trace -Djava.library.path=$BLDLIBDIR -cp $CLASSPATH examples.groups.H5Ex_G_Corder" +($JAVAEXE $JAVAEXEFLAGS -Xmx1024M -Dorg.slf4j.simpleLogger.defaultLog=trace -Djava.library.path=$BLDLIBDIR -cp $CLASSPATH examples.groups.H5Ex_G_Corder > H5Ex_G_Corder.out) +if diff H5Ex_G_Corder.out examples.groups.H5Ex_G_Corder.txt > /dev/null; then + echo " PASSED groups.H5Ex_G_Corder" +else + echo "**FAILED** groups.H5Ex_G_Corder" + nerrors="`expr $nerrors + 1`" +fi + +echo "$JAVAEXE $JAVAEXEFLAGS -Xmx1024M -Dorg.slf4j.simpleLogger.defaultLog=trace -Djava.library.path=$BLDLIBDIR -cp $CLASSPATH examples.groups.H5Ex_G_Intermediate" +($JAVAEXE $JAVAEXEFLAGS -Xmx1024M -Dorg.slf4j.simpleLogger.defaultLog=trace -Djava.library.path=$BLDLIBDIR -cp $CLASSPATH examples.groups.H5Ex_G_Intermediate > H5Ex_G_Intermediate.out) +if diff H5Ex_G_Intermediate.out examples.groups.H5Ex_G_Intermediate.txt > /dev/null; then + echo " PASSED groups.H5Ex_G_Intermediate" +else + echo "**FAILED** groups.H5Ex_G_Intermediate" + nerrors="`expr $nerrors + 1`" +fi + +echo "$JAVAEXE $JAVAEXEFLAGS -Xmx1024M -Dorg.slf4j.simpleLogger.defaultLog=trace -Djava.library.path=$BLDLIBDIR -cp $CLASSPATH examples.groups.H5Ex_G_Phase" +($JAVAEXE $JAVAEXEFLAGS -Xmx1024M -Dorg.slf4j.simpleLogger.defaultLog=trace -Djava.library.path=$BLDLIBDIR -cp $CLASSPATH examples.groups.H5Ex_G_Phase > H5Ex_G_Phase.out) +if diff H5Ex_G_Phase.out examples.groups.H5Ex_G_Phase.txt > /dev/null; then + echo " PASSED groups.H5Ex_G_Phase" +else + echo "**FAILED** groups.H5Ex_G_Phase" + nerrors="`expr $nerrors + 1`" +fi + +echo "$JAVAEXE $JAVAEXEFLAGS -Xmx1024M -Dorg.slf4j.simpleLogger.defaultLog=trace -Djava.library.path=$BLDLIBDIR -cp $CLASSPATH examples.groups.H5Ex_G_Visit" +($JAVAEXE $JAVAEXEFLAGS -Xmx1024M -Dorg.slf4j.simpleLogger.defaultLog=trace -Djava.library.path=$BLDLIBDIR -cp $CLASSPATH examples.groups.H5Ex_G_Visit > H5Ex_G_Visit.out) +if diff H5Ex_G_Visit.out examples.groups.H5Ex_G_Visit.txt > /dev/null; then + echo " PASSED groups.H5Ex_G_Visit" +else + echo "**FAILED** groups.H5Ex_G_Visit" + nerrors="`expr $nerrors + 1`" +fi + +# Clean up temporary files/directories +CLEAN_LIBFILES_AND_BLDLIBDIR +CLEAN_DATAFILES_AND_BLDDIR +CLEAN_REFFILES_AND_BLDREFDIR + +# 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 |