| ContextClassLoaderBeanHandler.java |
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 }