/************************************************************

  This example shows how to create, open, and close a group.

  This file is intended for use with HDF5 Library verion 1.6

 ************************************************************/

package examples.groups;

import ncsa.hdf.object.FileFormat;
import ncsa.hdf.object.h5.H5File;
import ncsa.hdf.object.h5.H5Group;


public class H5ObjectEx_G_Create {
	private static String FILENAME = "H5ObjectEx_G_Create.h5";
	private static String GROUPNAME = "G1";

	private static void CreateGroup() {
        H5File file = null;
        H5Group grp = null;
		int group_id = -1;

		// Create a new file using default properties.
		try {
            file = new H5File(FILENAME, FileFormat.CREATE);
            file.open();
		}
		catch (Exception e) {
			e.printStackTrace();
		}

		// Create a group in the file.
		try {
            grp = (H5Group)file.createGroup("/" + GROUPNAME, null);
            group_id = grp.open();
		}
		catch (Exception e) {
			e.printStackTrace();
		}

		// Close the group. The handle "group" can no longer be used.
		try {
            if (group_id >= 0)
                grp.close(group_id);
		}
		catch (Exception e) {
			e.printStackTrace();
		}

		// Re-open the group, obtaining a new handle.
		try {
            group_id = grp.open();
		}
		catch (Exception e) {
			e.printStackTrace();
		}

		// Close the group.
		try {
            if (group_id >= 0)
                grp.close(group_id);
		}
		catch (Exception e) {
			e.printStackTrace();
		}

		// Close the file.
		try {
            file.close();
		}
		catch (Exception e) {
			e.printStackTrace();
		}

	}

	public static void main(String[] args) {
		H5ObjectEx_G_Create.CreateGroup();
	}

}