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1   /*
2    * Copyright 2003,2004 The Apache Software Foundation.
3    * 
4    * Licensed under the Apache License, Version 2.0 (the "License");
5    * you may not use this file except in compliance with the License.
6    * You may obtain a copy of the License at
7    * 
8    *      http://www.apache.org/licenses/LICENSE-2.0
9    * 
10   * Unless required by applicable law or agreed to in writing, software
11   * distributed under the License is distributed on an "AS IS" BASIS,
12   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13   * See the License for the specific language governing permissions and
14   * limitations under the License.
15   */
16  /* 
17  
18   */
19  
20  package org.apache.pluto.core.impl;
21  
22  import java.util.Map;
23  
24  import javax.portlet.PortletException;
25  import javax.portlet.PortletRequestDispatcher;
26  import javax.portlet.RenderRequest;
27  import javax.portlet.RenderResponse;
28  import javax.servlet.RequestDispatcher;
29  
30  import org.apache.pluto.core.CoreUtils;
31  import org.apache.pluto.core.InternalPortletRequest;
32  import org.apache.pluto.core.InternalPortletResponse;
33  
34  public class PortletRequestDispatcherImpl implements PortletRequestDispatcher
35  {
36  
37      private RequestDispatcher requestDispatcher;
38      private Map queryParams;
39  
40      public PortletRequestDispatcherImpl(RequestDispatcher requestDispatcher)
41      {
42          this.requestDispatcher = requestDispatcher;
43      }
44  
45      public PortletRequestDispatcherImpl(RequestDispatcher disp, Map queryParams) {
46          this(disp);
47          this.queryParams = queryParams;
48  
49      }
50  
51      // javax.portlet.PortletRequestDispatcher implementation --------------------------------------
52      public void include(RenderRequest request, RenderResponse response) throws PortletException, java.io.IOException
53      {
54          InternalPortletRequest internalRequest = CoreUtils.getInternalRequest(request);
55          InternalPortletResponse internalResponse = CoreUtils.getInternalResponse(response);
56  
57          if(queryParams!=null) {
58              internalRequest = new IncludedRenderRequestImpl(internalRequest, queryParams);
59          }
60          try
61          {
62              internalRequest.setIncluded(true);
63              internalResponse.setIncluded(true);
64  
65              this.requestDispatcher.include((javax.servlet.http.HttpServletRequest)request, 
66                                             (javax.servlet.http.HttpServletResponse)response);
67          }
68          catch (java.io.IOException e)
69          {
70              throw e;
71          }
72          catch (javax.servlet.ServletException e)
73          {
74              if (e.getRootCause()!=null)
75              {
76                  throw new PortletException(e.getRootCause());
77              }
78              else
79              {
80                  throw new PortletException(e);
81              }
82          }
83          finally
84          {
85              internalRequest.setIncluded(false);
86              internalResponse.setIncluded(false);
87          }
88      }
89      // --------------------------------------------------------------------------------------------
90  
91      // portlet-servlet implementation
92      /*
93          public void include(javax.servlet.ServletRequest request, javax.servlet.ServletResponse response)
94          throws javax.servlet.ServletException, java.io.IOException
95          {
96          }
97      
98          public void forward(javax.servlet.ServletRequest request, javax.servlet.ServletResponse response)
99          throws javax.servlet.ServletException, java.io.IOException
100         {
101         }
102     */
103 }