text: /*
   *  Copyright (C) 2011 in-somnia
   * 
   *  This file is part of JAAD.
   * 
   *  JAAD is free software; you can redistribute it and/or modify it 
   *  under the terms of the GNU Lesser General Public License as 
   *  published by the Free Software Foundation; either version 3 of the 
   *  License, or (at your option) any later version.
   *
   *  JAAD is distributed in the hope that it will be useful, but WITHOUT 
   *  ANY WARRANTY; without even the implied warranty of MERCHANTABILITY 
   *  or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Lesser General 
   *  Public License for more details.
   *
   *  You should have received a copy of the GNU Lesser General Public
   *  License along with this library.
   *  If not, see <http://www.gnu.org/licenses/>.
   */
  package net.sourceforge.jaad.mp4.boxes.impl.fd;
  
  import java.io.IOException;
  import java.util.HashMap;
  import java.util.Map;
  import net.sourceforge.jaad.mp4.MP4InputStream;
  import net.sourceforge.jaad.mp4.boxes.FullBox;
  
  public class GroupIDToNameBox extends FullBox {
  
  	private final Map<Long, String> map;
  
  	public GroupIDToNameBox() {
  		super("Group ID To Name Box");
  		map = new HashMap<Long, String>();
  	}
  
  	@Override
  	public void decode(MP4InputStream in) throws IOException {
  		super.decode(in);
  
  		final int entryCount = (int) in.readBytes(2);
  		long id;
  		String name;
  		for(int i = 0; i<entryCount; i++) {
  			id = in.readBytes(4);
  			name = in.readUTFString((int) getLeft(in), MP4InputStream.UTF8);
  			map.put(id, name);
  		}
  	}
  
  	/**
  	 * Returns the map that contains the ID-name-pairs for all groups.
  	 *
  	 * @return the ID to name map
  	 */
  	public Map<Long, String> getMap() {
  		return map;
  	}
  }
  