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Java > Open Source Codes > org > jboss > util > property > PropertyAdapter


1 /*
2   * JBoss, Home of Professional Open Source
3   * Copyright 2005, JBoss Inc., and individual contributors as indicated
4   * by the @authors tag. See the copyright.txt in the distribution for a
5   * full listing of individual contributors.
6   *
7   * This is free software; you can redistribute it and/or modify it
8   * under the terms of the GNU Lesser General Public License as
9   * published by the Free Software Foundation; either version 2.1 of
10   * the License, or (at your option) any later version.
11   *
12   * This software is distributed in the hope that it will be useful,
13   * but WITHOUT ANY WARRANTY; without even the implied warranty of
14   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15   * Lesser General Public License for more details.
16   *
17   * You should have received a copy of the GNU Lesser General Public
18   * License along with this software; if not, write to the Free
19   * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
20   * 02110-1301 USA, or see the FSF site: http://www.fsf.org.
21   */
22 package org.jboss.util.property;
23
24 /**
25  * An abstract adapter class for receving property events.
26  *
27  * <p>Methods defined in this class are empty. This class exists as
28  * as convenience for creating listener objects.
29  *
30  * @version <tt>$Revision: 1958 $</tt>
31  * @author <a HREF="mailto:jason@planet57.com">Jason Dillon</a>
32  */
33 public abstract class PropertyAdapter
34    implements PropertyListener
35 {
36    /**
37     * Notifies that a property was added.
38     *
39     * @param event Property event.
40     */
41    public void propertyAdded(final PropertyEvent event) {}
42
43    /**
44     * Notifies that a property was removed.
45     *
46     * @param event Property event.
47     */
48    public void propertyRemoved(final PropertyEvent event) {}
49
50    /**
51     * Notifies that a property has changed.
52     *
53     * @param event Property event.
54     */
55    public void propertyChanged(final PropertyEvent event) {}
56 }
57
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