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 org.apache.commons.chain.Context;
   21   import org.apache.commons.chain.web.servlet.ServletWebContext;
   22   import org.apache.struts.action.Action;
   23   import org.apache.struts.action.ActionForm;
   24   import org.apache.struts.action.ActionMapping;
   25   import org.apache.struts.chain.AbstractExecuteAction;
   26   import org.apache.struts.config.ActionConfig;
   27   import org.apache.struts.config.ForwardConfig;
   28   
   29   
   30   /**
   31    * <p>Invoke the appropriate <code>Action</code> for this request, and cache
   32    * the returned <code>ActionForward</code>.</p>
   33    *
   34    * @version $Rev: 54933 $ $Date: 2004-10-16 18:04:52 +0100 (Sat, 16 Oct 2004) $
   35    */
   36   
   37   public class ExecuteAction extends AbstractExecuteAction {
   38   
   39   
   40       // ------------------------------------------------------- Protected Methods
   41   
   42   
   43       /**
   44        * <p>Execute the specified <code>Action</code>, and return the resulting
   45        * <code>ActionForward</code>.</p>
   46        *
   47        * @param context The <code>Context</code> for this request
   48        * @param action The <code>Action</code> to be executed
   49        * @param actionConfig The <code>ActionConfig</code> defining this action
   50        * @param actionForm The <code>ActionForm</code> (if any) for
   51        *  this action
   52        *
   53        * @exception Exception if thrown by the <code>Action</code>
   54        */
   55       protected ForwardConfig execute(Context context,
   56                                       Action action,
   57                                       ActionConfig actionConfig,
   58                                       ActionForm actionForm)
   59           throws Exception {
   60   
   61           ServletWebContext swcontext = (ServletWebContext) context;
   62           return (action.execute((ActionMapping) actionConfig,
   63                                  actionForm,
   64                                  swcontext.getRequest(),
   65                                  swcontext.getResponse()));
   66   
   67       }
   68   
   69   
   70   }