[svn-r3621] This commit was manufactured by cvs2svn to create branch 'hdf5_1_4'.

doc/html/Tutor/examples/java/CreateGroupAR.java

@@ -0,0 +1,152 @@
+/******************************************************************
+ * CreateGroupAR.java (for HDF5 tutorial lesson 9)
+ *
+ *   -- Creating groups using absolute and relative names.
+ *      (a java conversion from h5_crtgrpar.c)
+ *
+ ******************************************************************/
+
+import ncsa.hdf.hdf5lib.*;
+import ncsa.hdf.hdf5lib.exceptions.*;
+
+public class CreateGroupAR
+{
+   public static void main(String []argv) 
+   {
+      final String FILE = "groups.h5";
+      int file_id = -1;        // file identifier 
+      int group1_id = -1;      // group identifier
+      int group2_id = -1;  
+      int group3_id = -1;
+  
+      int status = -1;
+   
+      // Create a new file using default properties.
+      file_id = H5Fcreate_wrap (FILE, HDF5Constants.H5F_ACC_TRUNC, 
+				HDF5Constants.H5P_DEFAULT, 
+				HDF5Constants.H5P_DEFAULT);
+
+      // Create group "MyGroup" in the root group using absolute name.
+      group1_id = H5Gcreate_wrap (file_id, "/MyGroup", 0);
+
+
+      // Create group "Group_A" in group "MyGroup" using absolute name. 
+      group2_id = H5Gcreate_wrap (file_id, "/MyGroup/Group_A", 0);
+      
+      // Create group "Group_B" in group "MyGroup" using relative name. 
+      group3_id = H5Gcreate_wrap (group1_id, "Group_B", 0);
+   
+      // Close groups. 
+      status = H5Gclose_wrap (group1_id);
+      status = H5Gclose_wrap (group2_id);
+      status = H5Gclose_wrap (group3_id);
+      
+      // Close the file. 
+      status = H5Fclose_wrap (file_id); 
+   }
+
+
+   // Help function for creating a new file 
+   public static int H5Fcreate_wrap (String name, int flags,
+                                     int create_id, int access_id)
+   {
+      int file_id = -1;    // file identifier 
+      try 
+      {
+         // Create a new file using default file properties.
+         file_id = H5.H5Fcreate (name, flags, create_id, access_id);
+
+      }
+      catch (HDF5Exception hdf5e)
+      {
+	  System.out.println 
+	      ("CreateGroupAR.H5Fcreate_wrap() with HDF5Exception: "
+	       + hdf5e.getMessage());
+      }
+      catch (Exception e)
+      {
+         System.out.println 
+	     ("CreateGroupAR.H5Fcreate_wrap() with other Exception: " 
+	      + e.getMessage());
+      }
+      return file_id;
+   }
+
+
+   // Help function for creating a group named "/MyGroup" in the file.
+   public static int H5Gcreate_wrap (int loc_id, String name, int size_hint)
+   {
+      int group_id = -1;    // group identifier 
+      try 
+      {
+         // Create a group
+         group_id = H5.H5Gcreate (loc_id, name, size_hint);
+
+      }
+      catch (HDF5Exception hdf5e)
+      {
+         System.out.println 
+	     ("CreateGroupAR.H5Gcreate_wrap() with HDF5Exception: "
+	      + hdf5e.getMessage());
+      }
+      catch (Exception e)
+      {
+         System.out.println 
+	     ("CreateGroupAR.H5Gcreate_wrap() with other Exception: " 
+	      + e.getMessage());
+      }
+      return group_id;
+   }
+
+
+   // Help function for closing the group
+   public static int H5Gclose_wrap (int group_id)
+   {
+      int status = -1;
+      
+      try 
+      {
+	 // Close the group
+	 status = H5.H5Gclose (group_id);
+      }
+      catch (HDF5Exception hdf5e)
+      {
+	 System.out.println 
+	     ("CreateGroupAR.H5Gclose_wrap() with HDF5Exception: " 
+	      + hdf5e.getMessage());
+      }
+      catch (Exception e)
+      {
+	 System.out.println 
+	     ("CreateGroupAR.H5Gclose_wrap() with other exception: " 
+	      + e.getMessage());
+      } 
+      return status;
+   }
+ 
+
+   // Help function for terminating access to the file. 
+   public static int H5Fclose_wrap (int file_id)
+   {
+      int status = -1;
+      
+      try 
+      {
+	 // Terminate access to the file. 
+	 status = H5.H5Fclose (file_id);
+      }
+      catch (HDF5Exception hdf5e)
+      { 
+	 System.out.println 
+	     ("CreateGroupAR.H5Fclose_wrap() with HDF5Exception: " 
+	      + hdf5e.getMessage());
+      }
+      catch (Exception e)
+      {
+	 System.out.println 
+	     ("CreateGroupAR.H5Fclose_wrap() with other exception: " 
+	      + e.getMessage());
+      }
+      return status;
+   }  
+}