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   }