PerformInclude


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  package org.apache.struts.chain.servlet;
18  
19  
20  import javax.servlet.RequestDispatcher  ;
21  import javax.servlet.http.HttpServletRequest  ;
22  import org.apache.commons.chain.Context;
23  import org.apache.commons.chain.web.servlet.ServletWebContext;
24  import org.apache.struts.chain.AbstractPerformInclude;
25  import org.apache.struts.upload.MultipartRequestWrapper;
26  
27  
28  /**
29   * <p>Perform forwarding or redirection based on the specified
30   * include uri (if any).</p>
31   *
32   * @version $Rev: 54933 $ $Date: 2004-10-16 18:04:52 +0100 (Sat, 16 Oct 2004) $
33   */
34  
35  public class PerformInclude extends AbstractPerformInclude {
36  
37  
38      // ------------------------------------------------------- Protected Methods
39  
40  
41      /**
42       * <p>Perform the appropriate processing on the specified
43       * include uri.</p>
44       *
45       * @param context The context for this request
46       * @param uri The uri to be included
47       */
48      protected void perform(Context context, String   uri)
49          throws Exception   {
50  
51          ServletWebContext swcontext = (ServletWebContext) context;
52          
53          // Get the underlying request in the case of a multipart wrapper
54          HttpServletRequest   request = swcontext.getRequest();
55          if (request instanceof MultipartRequestWrapper) {
56              request = ((MultipartRequestWrapper) request).getRequest();
57          }
58          
59          RequestDispatcher   rd =
60                  swcontext.getContext().getRequestDispatcher(uri);
61          rd.forward(request, swcontext.getResponse());
62      }
63  
64  
65  }
66
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