/*

  * Copyright 2007-2008 The Kuali Foundation

  *

  * Licensed under the Educational Community License, Version 2.0 (the "License");

  * you may not use this file except in compliance with the License.

  * You may obtain a copy of the License at

  *

  * http://www.opensource.org/licenses/ecl2.php

  *

  * Unless required by applicable law or agreed to in writing, software

  * distributed under the License is distributed on an "AS IS" BASIS,

  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

  * See the License for the specific language governing permissions and

  * limitations under the License.

  */

 package org.kuali.rice.kew.web;

 import javax.servlet.ServletException;

 import javax.servlet.http.HttpServletRequest;

 import javax.servlet.http.HttpServletResponse;

 import org.apache.struts.action.ActionForm;

 import org.apache.struts.action.ActionForward;

 import org.apache.struts.action.ActionMapping;

 import org.apache.struts.actions.ForwardAction;

 import org.apache.struts.util.MessageResources;

 /**

  * ForwardAction subclass that interprets path as module-relative 

  * @author Kuali Rice Team (rice.collab@kuali.org)

  */

 public class ModuleRelativeForwardAction extends ForwardAction {

     /**

      * The message resources for this package.

      */

     protected static MessageResources messages = MessageResources.getMessageResources("org.apache.struts.actions.LocalStrings");

     /**

      * Process the specified HTTP request, and create the corresponding HTTP

      * response (or forward to another web component that will create it).

      * Return an <code>ActionForward</code> instance describing where and how

      * control should be forwarded, or <code>null</code> if the response has

      * already been completed.

      *

      * @param mapping The ActionMapping used to select this instance

      * @param form The optional ActionForm bean for this request (if any)

      * @param request The HTTP request we are processing

      * @param response The HTTP response we are creating

      *

      * @exception Exception if an error occurs

      */

     public ActionForward execute(

             ActionMapping mapping,

             ActionForm form,

             HttpServletRequest request,

             HttpServletResponse response) throws Exception {

         // Create a RequestDispatcher the corresponding resource

         String path = mapping.getParameter();

         if (path == null) {

             throw new ServletException(messages.getMessage("forward.path"));

         }

         // Let the controller handle the request

         ActionForward retVal = new ActionForward(path);

         return retVal;

     }

 }