1   /**
2    * Copyright (c) 2000-2009 Liferay, Inc. All rights reserved.
3    *
4    * The contents of this file are subject to the terms of the Liferay Enterprise
5    * Subscription License ("License"). You may not use this file except in
6    * compliance with the License. You can obtain a copy of the License by
7    * contacting Liferay, Inc. See the License for the specific language governing
8    * permissions and limitations under the License, including but not limited to
9    * distribution rights of the Software.
10   *
11   * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
12   * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
13   * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
14   * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
15   * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
16   * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
17   * SOFTWARE.
18   */
19  
20  package com.liferay.portal.kernel.messaging;
21  
22  /**
23   * <a href="InvokerMessageListener.java.html"><b><i>View Source</i></b></a>
24   *
25   * @author Michael C. Han
26   *
27   */
28  public class InvokerMessageListener implements MessageListener {
29  
30      public InvokerMessageListener(MessageListener messageListener) {
31          this(
32              messageListener,
33              Thread.currentThread().getContextClassLoader());
34      }
35  
36      public InvokerMessageListener(
37          MessageListener messageListener, ClassLoader classLoader) {
38  
39          _messageListener = messageListener;
40          _classLoader = classLoader;
41      }
42  
43      public boolean equals(Object obj) {
44          InvokerMessageListener messageListenerInvoker =
45              (InvokerMessageListener)obj;
46  
47          return _messageListener.equals(
48              messageListenerInvoker.getMessageListener());
49      }
50  
51      public MessageListener getMessageListener() {
52          return _messageListener;
53      }
54  
55      public int hashCode() {
56          return _messageListener.hashCode();
57      }
58  
59      public void receive(Message message) {
60          Thread currentThread = Thread.currentThread();
61  
62          ClassLoader contextClassLoader = currentThread.getContextClassLoader();
63  
64          currentThread.setContextClassLoader(_classLoader);
65  
66          try {
67              _messageListener.receive(message);
68          }
69          finally {
70              currentThread.setContextClassLoader(contextClassLoader);
71          }
72      }
73  
74      private MessageListener _messageListener;
75      private ClassLoader _classLoader;
76  
77  }