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Java > Open Source Codes > org > ungoverned > oscar > util > ListenerWrapper


1 /*
2  * Oscar - An implementation of the OSGi framework.
3  * Copyright (c) 2004, Richard S. Hall
4  * All rights reserved.
5  *
6  * Redistribution and use in source and binary forms, with or without
7  * modification, are permitted provided that the following conditions
8  * are met:
9  *
10  * * Redistributions of source code must retain the above copyright
11  * notice, this list of conditions and the following disclaimer.
12  * * Redistributions in binary form must reproduce the above copyright
13  * notice, this list of conditions and the following disclaimer in
14  * the documentation and/or other materials provided with the
15  * distribution.
16  * * Neither the name of the ungoverned.org nor the names of its
17  * contributors may be used to endorse or promote products derived
18  * from this software without specific prior written permission.
19  *
20  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
21  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
22  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
23  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
24  * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
25  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
26  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
27  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
28  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
29  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
30  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
31  *
32  * Contact: Richard S. Hall (heavy@ungoverned.org)
33  * Contributor(s):
34  *
35 **/
36 package org.ungoverned.oscar.util;
37
38 import java.util.EventListener JavaDoc;
39
40 import org.osgi.framework.Bundle;
41
42 public class ListenerWrapper
43 {
44     // The bundle associated with the listener.
45 private Bundle m_bundle = null;
46     // Listener class.
47 private Class JavaDoc m_class = null;
48     // The original listener.
49 private EventListener JavaDoc m_listener = null;
50
51     public ListenerWrapper(Bundle bundle, Class JavaDoc clazz, EventListener JavaDoc l)
52     {
53         m_bundle = bundle;
54         m_class = clazz;
55         m_listener = l;
56     }
57
58     public Bundle getBundle()
59     {
60         return m_bundle;
61     }
62
63     public Class JavaDoc getListenerClass()
64     {
65         return m_class;
66     }
67
68     public EventListener JavaDoc getListener()
69     {
70         return m_listener;
71     }
72
73     public boolean equals(Object JavaDoc obj)
74     {
75         if (obj instanceof ListenerWrapper)
76         {
77             return (((ListenerWrapper) obj).m_listener == m_listener);
78         }
79         else if (obj instanceof EventListener JavaDoc)
80         {
81             return (obj == m_listener);
82         }
83         return false;
84     }
85 }
86
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