1   /**
2    * Copyright (c) 2000-2009 Liferay, Inc. All rights reserved.
3    *
4    * Permission is hereby granted, free of charge, to any person obtaining a copy
5    * of this software and associated documentation files (the "Software"), to deal
6    * in the Software without restriction, including without limitation the rights
7    * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
8    * copies of the Software, and to permit persons to whom the Software is
9    * furnished to do so, subject to the following conditions:
10   *
11   * The above copyright notice and this permission notice shall be included in
12   * all copies or substantial portions of the Software.
13   *
14   * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15   * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16   * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
17   * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
18   * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
19   * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
20   * SOFTWARE.
21   */
22  
23  package com.liferay.portal.kernel.messaging;
24  
25  /**
26   * <a href="InvokerMessageListener.java.html"><b><i>View Source</i></b></a>
27   *
28   * @author Michael C. Han
29   *
30   */
31  public class InvokerMessageListener implements MessageListener {
32  
33      public InvokerMessageListener(MessageListener messageListener) {
34          this(
35              messageListener,
36              Thread.currentThread().getContextClassLoader());
37      }
38  
39      public InvokerMessageListener(
40          MessageListener messageListener, ClassLoader classLoader) {
41  
42          _messageListener = messageListener;
43          _classLoader = classLoader;
44      }
45  
46      public boolean equals(Object obj) {
47          InvokerMessageListener messageListenerInvoker =
48              (InvokerMessageListener)obj;
49  
50          return _messageListener.equals(
51              messageListenerInvoker.getMessageListener());
52      }
53  
54      public MessageListener getMessageListener() {
55          return _messageListener;
56      }
57  
58      public int hashCode() {
59          return _messageListener.hashCode();
60      }
61  
62      public void receive(Message message) {
63          Thread currentThread = Thread.currentThread();
64  
65          ClassLoader contextClassLoader = currentThread.getContextClassLoader();
66  
67          currentThread.setContextClassLoader(_classLoader);
68  
69          try {
70              _messageListener.receive(message);
71          }
72          finally {
73              currentThread.setContextClassLoader(contextClassLoader);
74          }
75      }
76  
77      private MessageListener _messageListener;
78      private ClassLoader _classLoader;
79  
80  }