ForwardExampleAction


1   /*
2    * $Id: ForwardExampleAction.java 54929 2004-10-16 16:38:42Z germuska $ 
3    *
4    * Copyright 1999-2004 The Apache Software Foundation.
5    * 
6    * Licensed under the Apache License, Version 2.0 (the "License");
7    * you may not use this file except in compliance with the License.
8    * You may obtain a copy of the License at
9    * 
10   *      http://www.apache.org/licenses/LICENSE-2.0
11   * 
12   * Unless required by applicable law or agreed to in writing, software
13   * distributed under the License is distributed on an "AS IS" BASIS,
14   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
15   * See the License for the specific language governing permissions and
16   * limitations under the License.
17   */
18  
19  package org.apache.struts.webapp.tiles.tutorial;
20  
21  import javax.servlet.http.HttpServletRequest  ;
22  import javax.servlet.http.HttpServletResponse  ;
23  import org.apache.struts.action.Action;
24  import org.apache.struts.action.ActionForm;
25  import org.apache.struts.action.ActionForward;
26  import org.apache.struts.action.ActionMapping;
27  
28  public class ForwardExampleAction extends Action {
29  
30      /**
31       * Process the specified HTTP request, and create the corresponding HTTP
32       * response (or forward to another web component that will create it).
33       * Return an <code>ActionForward</code> instance describing where and how
34       * control should be forwarded, or <code>null</code> if the response has
35       * already been completed.
36       *
37       * @param mapping The ActionMapping used to select this instance
38       * @param actionForm The optional ActionForm bean for this request (if any)
39       * @param request The HTTP request we are processing
40       * @param response The HTTP response we are creating
41       *
42       * @exception Exception if the application business logic throws
43       *  an exception
44       */
45      public ActionForward execute(
46                   ActionMapping mapping,
47                   ActionForm form,
48                   HttpServletRequest   request,
49                   HttpServletResponse   response)
50      throws Exception   {
51      String   success = request.getParameter( "success" );
52      if( success != null )
53          return (mapping.findForward("success"));
54  
55      return (mapping.findForward("failure"));
56      }
57  
58   }
59
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