[svn-r29226] HDFFV-9552: merge in java code.

java/examples/intro/H5_CreateGroupAbsoluteRelative.java

@@ -0,0 +1,118 @@
+/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
+ * 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 groups using absolute and relative names.
+ ************************************************************/
+
+package examples.intro;
+
+import hdf.hdf5lib.H5;
+import hdf.hdf5lib.HDF5Constants;
+
+public class H5_CreateGroupAbsoluteRelative {
+    private static String FILENAME = "H5_CreateGroupAbsoluteRelative.h5";
+    private static String GROUPNAME = "MyGroup";
+    private static String GROUPNAME_A = "GroupA";
+    private static String GROUPNAME_B = "GroupB";
+
+    private static void CreateGroupAbsoluteAndRelative() {
+        long file_id = -1;
+        long group1_id = -1;
+        long group2_id = -1;
+        long group3_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 named "/MyGroup" in the file.
+        try {
+            if (file_id >= 0)
+                group1_id = H5.H5Gcreate(file_id, "/" + GROUPNAME, HDF5Constants.H5P_DEFAULT,
+                        HDF5Constants.H5P_DEFAULT, HDF5Constants.H5P_DEFAULT);
+        }
+        catch (Exception e) {
+            e.printStackTrace();
+        }
+
+        // Create group "Group_A" in group "MyGroup" using absolute name.
+        try {
+            if (file_id >= 0)
+                group2_id = H5.H5Gcreate(file_id, "/" + GROUPNAME + "/" + GROUPNAME_A, HDF5Constants.H5P_DEFAULT,
+                        HDF5Constants.H5P_DEFAULT, HDF5Constants.H5P_DEFAULT);
+        }
+        catch (Exception e) {
+            e.printStackTrace();
+        }
+
+        // Create group "Group_B" in group "MyGroup" using relative name.
+        try {
+            if (group1_id >= 0)
+                group3_id = H5.H5Gcreate(group1_id, GROUPNAME_B, HDF5Constants.H5P_DEFAULT, HDF5Constants.H5P_DEFAULT,
+                        HDF5Constants.H5P_DEFAULT);
+        }
+        catch (Exception e) {
+            e.printStackTrace();
+        }
+
+        // Close the group3.
+        try {
+            if (group3_id >= 0)
+                H5.H5Gclose(group3_id);
+        }
+        catch (Exception e) {
+            e.printStackTrace();
+        }
+
+        // Close the group2.
+        try {
+            if (group2_id >= 0)
+                H5.H5Gclose(group2_id);
+        }
+        catch (Exception e) {
+            e.printStackTrace();
+        }
+
+        // Close the group1.
+        try {
+            if (group1_id >= 0)
+                H5.H5Gclose(group1_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) {
+        H5_CreateGroupAbsoluteRelative.CreateGroupAbsoluteAndRelative();
+    }
+
+}