| BeanInterceptor.java |
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.spring.aop;
21
22 import org.aopalliance.intercept.MethodInterceptor;
23 import org.aopalliance.intercept.MethodInvocation;
24
25 /**
26 * <a href="BeanInterceptor.java.html"><b><i>View Source</i></b></a>
27 *
28 * @author Brian Wing Shun Chan
29 *
30 */
31 public class BeanInterceptor implements MethodInterceptor {
32
33 public Object invoke(MethodInvocation invocation) throws Throwable {
34 Thread currentThread = Thread.currentThread();
35
36 ClassLoader contextClassLoader = currentThread.getContextClassLoader();
37
38 try {
39 if ((_classLoader != null) &&
40 (contextClassLoader != _classLoader)) {
41
42 currentThread.setContextClassLoader(_classLoader);
43 }
44
45 return invocation.proceed();
46 }
47 catch (Throwable t) {
48 if (_exceptionSafe) {
49 return null;
50 }
51 else {
52 throw t;
53 }
54 }
55 finally {
56 if ((_classLoader != null) &&
57 (contextClassLoader != _classLoader)) {
58
59 currentThread.setContextClassLoader(contextClassLoader);
60 }
61 }
62 }
63
64 public void setClassLoader(ClassLoader classLoader) {
65 _classLoader = classLoader;
66 }
67
68 public void setExceptionSafe(boolean exceptionSafe) {
69 _exceptionSafe = exceptionSafe;
70 }
71
72 private ClassLoader _classLoader;
73 private boolean _exceptionSafe;
74
75 }