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Java > Open Source Codes > org > apache > geronimo > jetty6 > handler > ThreadClassloaderHandler


1 /**
2  * Licensed to the Apache Software Foundation (ASF) under one or more
3  * contributor license agreements. See the NOTICE file distributed with
4  * this work for additional information regarding copyright ownership.
5  * The ASF licenses this file to You under the Apache License, Version 2.0
6  * (the "License"); you may not use this file except in compliance with
7  * the License. You may obtain a copy of the License at
8  *
9  * http://www.apache.org/licenses/LICENSE-2.0
10  *
11  * Unless required by applicable law or agreed to in writing, software
12  * distributed under the License is distributed on an "AS IS" BASIS,
13  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14  * See the License for the specific language governing permissions and
15  * limitations under the License.
16  */
17
18
19 package org.apache.geronimo.jetty6.handler;
20
21 import java.io.IOException JavaDoc;
22
23 import javax.servlet.ServletException JavaDoc;
24 import javax.servlet.http.HttpServletRequest JavaDoc;
25 import javax.servlet.http.HttpServletResponse JavaDoc;
26
27 import org.mortbay.jetty.handler.AbstractHandler;
28
29 /**
30  * @version $Rev: 482336 $ $Date: 2006-12-04 15:12:19 -0500 (Mon, 04 Dec 2006) $
31  */
32 public class ThreadClassloaderHandler extends AbstractImmutableHandler {
33
34     private final ClassLoader JavaDoc classLoader;
35
36     public ThreadClassloaderHandler(AbstractHandler next, ClassLoader JavaDoc classLoader) {
37         super(next);
38         this.classLoader = classLoader;
39     }
40
41     public void handle(String JavaDoc target, HttpServletRequest JavaDoc request, HttpServletResponse JavaDoc response, int dispatch) throws IOException JavaDoc, ServletException JavaDoc {
42         Thread JavaDoc thread = Thread.currentThread();
43         ClassLoader JavaDoc oldClassLoader = thread.getContextClassLoader();
44         thread.setContextClassLoader(classLoader);
45         try {
46             next.handle(target, request, response, dispatch);
47         } finally {
48             thread.setContextClassLoader(oldClassLoader);
49         }
50     }
51
52     public void lifecycleCommand(LifecycleCommand lifecycleCommand) throws Exception JavaDoc {
53         Thread JavaDoc thread = Thread.currentThread();
54         ClassLoader JavaDoc oldClassLoader = thread.getContextClassLoader();
55         thread.setContextClassLoader(classLoader);
56         try {
57             super.lifecycleCommand(lifecycleCommand);
58         } finally {
59             thread.setContextClassLoader(oldClassLoader);
60         }
61     }
62 }
63
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