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1   /*
2    * $Id: ProcessOptionsAction.java 421486 2006-07-13 03:37:08Z wsmoak $
3    *
4    * Copyright 2005 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 examples.options;
20  
21  import javax.servlet.http.HttpServletRequest;
22  import javax.servlet.http.HttpServletResponse;
23  
24  import org.apache.struts.action.Action;
25  import org.apache.struts.action.ActionForm;
26  import org.apache.struts.action.ActionForward;
27  import org.apache.struts.action.ActionMapping;
28  
29  /***
30   * Retrieve and process data from the submitted form
31   *
32   * @version $Rev: 421486 $ $Date: 2006-07-12 20:37:08 -0700 (Wed, 12 Jul 2006) $
33   */
34  public class ProcessOptionsAction extends Action {
35  
36      // ------------------------------------------------------------ Constructors
37  
38      /***
39       * Constructor for ProcessOptionsAction.
40       */
41      public ProcessOptionsAction() {
42          super();
43      }
44  
45      // ---------------------------------------------------------- Action Methods
46  
47      /***
48       * Process the request and return an <code>ActionForward</code> instance
49       * describing where and how control should be forwarded, or
50       * <code>null</code>if the response has already been completed.
51       *
52       * @param mapping The ActionMapping used to select this instance
53       * @param form The optional ActionForm bean for this request (if any)
54       * @param request The HTTP request we are processing
55       * @param response The HTTP response we are creating
56       *
57       * @exception Exception if the application logic throws an exception
58       *
59       * @return the ActionForward for the next view
60       */
61      public ActionForward execute(
62          ActionMapping mapping,
63          ActionForm form,
64          HttpServletRequest request,
65          HttpServletResponse response)
66          throws Exception {
67  
68          // If user pressed 'Cancel' button,
69          // return to home page
70          if (isCancelled(request)) {
71              return mapping.findForward("home");
72          }
73  
74          // Forward to result page
75          return mapping.findForward("success");
76      }
77  
78  }