| BeanInterceptor.java |
1 /**
2 * Copyright (c) 2000-2009 Liferay, Inc. All rights reserved.
3 *
4 *
5 *
6 *
7 * The contents of this file are subject to the terms of the Liferay Enterprise
8 * Subscription License ("License"). You may not use this file except in
9 * compliance with the License. You can obtain a copy of the License by
10 * contacting Liferay, Inc. See the License for the specific language governing
11 * permissions and limitations under the License, including but not limited to
12 * distribution rights 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.spring.aop;
24
25 import org.aopalliance.intercept.MethodInterceptor;
26 import org.aopalliance.intercept.MethodInvocation;
27
28 /**
29 * <a href="BeanInterceptor.java.html"><b><i>View Source</i></b></a>
30 *
31 * @author Brian Wing Shun Chan
32 */
33 public class BeanInterceptor implements MethodInterceptor {
34
35 public Object invoke(MethodInvocation invocation) throws Throwable {
36 Thread currentThread = Thread.currentThread();
37
38 ClassLoader contextClassLoader = currentThread.getContextClassLoader();
39
40 try {
41 if ((_classLoader != null) &&
42 (contextClassLoader != _classLoader)) {
43
44 currentThread.setContextClassLoader(_classLoader);
45 }
46
47 return invocation.proceed();
48 }
49 catch (Throwable t) {
50 if (_exceptionSafe) {
51 return null;
52 }
53 else {
54 throw t;
55 }
56 }
57 finally {
58 if ((_classLoader != null) &&
59 (contextClassLoader != _classLoader)) {
60
61 currentThread.setContextClassLoader(contextClassLoader);
62 }
63 }
64 }
65
66 public void setClassLoader(ClassLoader classLoader) {
67 _classLoader = classLoader;
68 }
69
70 public void setExceptionSafe(boolean exceptionSafe) {
71 _exceptionSafe = exceptionSafe;
72 }
73
74 private ClassLoader _classLoader;
75 private boolean _exceptionSafe;
76
77 }