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1   /*
2    * dpkg - Debian Package library and the Debian Package Maven plugin
3    * (c) Copyright 2015 Gerrit Hohl
4    *
5    * This program is free software; you can redistribute it and/or
6    * modify it under the terms of the GNU General Public License
7    * as published by the Free Software Foundation; either version 2
8    * of the License, or (at your option) any later version.
9    *
10   * This program is distributed in the hope that it will be useful,
11   * but WITHOUT ANY WARRANTY; without even the implied warranty of
12   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
13   * GNU General Public License for more details.
14   *
15   * You should have received a copy of the GNU General Public License
16   * along with this program; if not, write to the Free Software
17   * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
18   */
19  package net.sourceforge.javadpkg.io.impl;
20  
21  import java.io.Closeable;
22  import java.io.IOException;
23  
24  import net.sourceforge.javadpkg.io.CloseHandler;
25  
26  /**
27   * <p>
28   * A {@link CloseHandler} implementation which delegates the {@link #closed()}
29   * method call to the {@link Closeable#close()} method of a {@link Closeable}
30   * object.
31   * </p>
32   * 
33   * @author Gerrit Hohl (gerrit-hohl@users.sourceforge.net)
34   * @version <b>1.0</b>, 31.12.2015 by Gerrit Hohl
35   */
36  public class DelegateCloseHandler implements CloseHandler {
37  	
38  	
39  	/** The object which can be closed. */
40  	private Closeable closeable;
41  
42  
43  	/**
44  	 * <p>
45  	 * Creates a handler.
46  	 * </p>
47  	 * 
48  	 * @param closeable
49  	 *            The object which can be closed.
50  	 * @throws IllegalArgumentException
51  	 *             If the object is <code>null</code>.
52  	 */
53  	public DelegateCloseHandler(Closeable closeable) {
54  		super();
55  
56  		if (closeable == null)
57  			throw new IllegalArgumentException("Argument closeable is null.");
58  			
59  		this.closeable = closeable;
60  	}
61  	
62  	
63  	@Override
64  	public void closed() throws IOException {
65  		this.closeable.close();
66  	}
67  
68  
69  }