1 /*
2 * $Id: RegistrationAction.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 org.apache.struts.webapp.validator;
23
24 import javax.servlet.http.HttpServletRequest;
25 import javax.servlet.http.HttpServletResponse;
26 import javax.servlet.http.HttpSession;
27
28 import org.apache.commons.logging.Log;
29 import org.apache.commons.logging.LogFactory;
30 import org.apache.struts.action.Action;
31 import org.apache.struts.action.ActionForm;
32 import org.apache.struts.action.ActionForward;
33 import org.apache.struts.action.ActionMapping;
34
35 /**
36 * Implementation of <strong>Action</strong> that validates a registration form.
37 *
38 */
39 public final class RegistrationAction extends Action {
40
41 /**
42 * Commons Logging instance.
43 */
44 private Log log = LogFactory.getFactory().getInstance(this.getClass().getName());
45
46 /**
47 * Process the specified HTTP request, and create the corresponding HTTP
48 * response (or forward to another web component that will create it).
49 * Return an <code>ActionForward</code> instance describing where and how
50 * control should be forwarded, or <code>null</code> if the response has
51 * already been completed.
52 *
53 * @param mapping The ActionMapping used to select this instance
54 * @param form The optional ActionForm bean for this request (if any)
55 * @param request The HTTP request we are processing
56 * @param response The HTTP response we are creating
57 *
58 * @return Action to forward to
59 * @exception Exception if an input/output error or servlet exception occurs
60 */
61 public ActionForward execute(
62 ActionMapping mapping,
63 ActionForm form,
64 HttpServletRequest request,
65 HttpServletResponse response)
66 throws Exception {
67
68 // Was this transaction cancelled?
69 if (isCancelled(request)) {
70 if (log.isInfoEnabled()) {
71 log.info(
72 " "
73 + mapping.getAttribute()
74 + " - Registration transaction was cancelled");
75 }
76
77 removeFormBean(mapping, request);
78
79 return (mapping.findForward("success"));
80 }
81
82 return mapping.findForward("success");
83 }
84
85 /**
86 * Convenience method for removing the obsolete form bean.
87 *
88 * @param mapping The ActionMapping used to select this instance
89 * @param request The HTTP request we are processing
90 */
91 protected void removeFormBean(
92 ActionMapping mapping,
93 HttpServletRequest request) {
94
95 // Remove the obsolete form bean
96 if (mapping.getAttribute() != null) {
97 if ("request".equals(mapping.getScope())) {
98 request.removeAttribute(mapping.getAttribute());
99 } else {
100 HttpSession session = request.getSession();
101 session.removeAttribute(mapping.getAttribute());
102 }
103 }
104 }
105 }