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.bean;
24  
25  import java.lang.Object;
26  import java.lang.reflect.InvocationHandler;
27  import java.lang.reflect.InvocationTargetException;
28  import java.lang.reflect.Method;
29  
30  /**
31   * <a href="ContextClassLoaderBeanHandler.java.html"><b><i>View Source</i></b>
32   * </a>
33   *
34   * @author Brian Wing Shun Chan
35   *
36   */
37  public class ContextClassLoaderBeanHandler implements InvocationHandler {
38  
39      public ContextClassLoaderBeanHandler(Object bean, ClassLoader classLoader) {
40          _bean = bean;
41          _classLoader = classLoader;
42      }
43  
44      public Object invoke(Object proxy, Method method, Object[] args)
45          throws Throwable {
46  
47          Thread currentThread = Thread.currentThread();
48  
49          ClassLoader contextClassLoader = currentThread.getContextClassLoader();
50  
51          try {
52              currentThread.setContextClassLoader(_classLoader);
53  
54              return method.invoke(_bean, args);
55          }
56          catch (InvocationTargetException ite) {
57              throw ite.getTargetException();
58          }
59          finally {
60              currentThread.setContextClassLoader(contextClassLoader);
61          }
62      }
63  
64      private Object _bean;
65      private ClassLoader _classLoader;
66  
67  }