1 /*
2 * $Id: PrepareBeanAction.java 471754 2006-11-06 14:55:09Z husted $
3 *
4 * Licensed to the Apache Software Foundation (ASF) under one
5 * or more contributor license agreements. See the NOTICE file
6 * distributed with this work for additional information
7 * regarding copyright ownership. The ASF licenses this file
8 * to you under the Apache License, Version 2.0 (the
9 * "License"); you may not use this file except in compliance
10 * with the License. You may obtain a copy of the License at
11 *
12 * http://www.apache.org/licenses/LICENSE-2.0
13 *
14 * Unless required by applicable law or agreed to in writing,
15 * software distributed under the License is distributed on an
16 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
17 * KIND, either express or implied. See the License for the
18 * specific language governing permissions and limitations
19 * under the License.
20 */
21
22 package examples.bean;
23
24 import javax.servlet.http.HttpServletRequest;
25 import javax.servlet.http.HttpServletResponse;
26
27 import org.apache.struts.action.Action;
28 import org.apache.struts.action.ActionForm;
29 import org.apache.struts.action.ActionForward;
30 import org.apache.struts.action.ActionMapping;
31
32 /**
33 * Perform any tasks and setup any data that
34 * must be prepared before the form is displayed.
35 *
36 * @version $Rev: 471754 $ $Date: 2006-11-06 08:55:09 -0600 (Mon, 06 Nov 2006) $
37 */
38 public class PrepareBeanAction extends Action {
39
40 // ------------------------------------------------------------ Constructors
41
42 /**
43 * Constructor for PrepareBeanAction.
44 */
45 public PrepareBeanAction() {
46 super();
47 }
48
49 // ---------------------------------------------------------- Action Methods
50
51 /**
52 * Process the request and return an <code>ActionForward</code> instance
53 * describing where and how control should be forwarded, or
54 * <code>null</code>if the response has already been completed.
55 *
56 * @param mapping The ActionMapping used to select this instance
57 * @param form The optional ActionForm bean for this request (if any)
58 * @param request The HTTP request we are processing
59 * @param response The HTTP response we are creating
60 *
61 * @exception Exception if an exception occurs
62 *
63 * @return the ActionForward to forward control to
64 */
65 public ActionForward execute(
66 ActionMapping mapping,
67 ActionForm form,
68 HttpServletRequest request,
69 HttpServletResponse response)
70 throws Exception {
71
72 // Set-up an example bean
73 ExampleBean example = new ExampleBean();
74 example.getList().add("List entry #1");
75 example.getList().add("List entry #2");
76 example.getList().add("List entry #3");
77 example.getList().add("List entry #4");
78
79 // Add a nested bean
80 example.setNested(new NestedBean());
81
82 // Place the example bean in the request scope
83 request.setAttribute("example", example);
84
85 // Forward to the test page
86 return mapping.findForward("success");
87 }
88
89 }