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1   /**
2    *
3    * Copyright 2006 The Apache Software Foundation
4    *
5    *  Licensed under the Apache License, Version 2.0 (the "License");
6    *  you may not use this file except in compliance with the License.
7    *  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  package org.apache.geronimo.jetty;
19  
20  import java.io.IOException;
21  
22  import javax.servlet.ServletException;
23  import javax.servlet.UnavailableException;
24  import javax.servlet.http.HttpServletRequest;
25  import javax.servlet.http.HttpServletResponse;
26  
27  import org.apache.geronimo.security.Callers;
28  import org.apache.geronimo.security.ContextManager;
29  import org.mortbay.jetty.servlet.ServletHolder;
30  import org.mortbay.jetty.servlet.WebApplicationHandler;
31  
32  /**
33   * @version $Rev: 437254 $ $Date: 2006-08-26 17:07:55 -0700 (Sat, 26 Aug 2006) $
34   */
35  public class JettyWebApplicationHandler extends WebApplicationHandler {
36  
37      /**
38       * Wrap the dispatch call to prevent leaking Subject back into the environemnt.
39       * 
40       * @param pathInContext
41       * @param request
42       * @param response
43       * @param servletHolder
44       * @param type
45       * @throws ServletException
46       * @throws UnavailableException
47       * @throws IOException
48       */
49      protected void dispatch(String pathInContext,
50                              HttpServletRequest request,
51                              HttpServletResponse response,
52                              ServletHolder servletHolder,
53                              int type)
54          throws ServletException, UnavailableException, IOException
55      {
56          Callers oldCallers = ContextManager.getCallers();
57          try {
58              super.dispatch(pathInContext, request, response, servletHolder, type);
59          } finally {
60              ContextManager.popCallers(oldCallers);
61          }
62  
63      }
64  }