1 /*
2 * Copyright 2003 The Apache Software Foundation.
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17 package examples.app1;
18
19
20 import java.io.IOException;
21 import java.util.Locale;
22 import javax.servlet.ServletException;
23 import javax.servlet.http.HttpServletRequest;
24 import javax.servlet.http.HttpSession;
25 import javax.servlet.http.HttpServletResponse;
26 import org.apache.struts.Globals;
27 import org.apache.struts.action.Action;
28 import org.apache.struts.action.ActionErrors;
29 import org.apache.struts.action.ActionForm;
30 import org.apache.struts.action.ActionForward;
31 import org.apache.struts.action.ActionMapping;
32
33
34 /**
35 * <p>A simple action that handles the display and editing of an
36 * addres record. This action works with both JSP and Velocity templates.
37 * The type of template to be used is defined in the Struts configuration
38 * file.</p>
39 *
40 * <p>The action support an <i>action</i> URL parameter. This URL parameter
41 * controls what this action class does. The following values are supported:</p>
42 * <ul>
43 * <li>list - list address record, this is the default if no action parameter is specified
44 * <li>edit - edit address record
45 * <li>save - save address record
46 * </ul>
47 *
48 *
49 * @author <a href="mailto:sidler@teamup.com"/>Gabe Sidler</a>
50 * @version $Id: AddressAction.java 72026 2004-03-12 19:41:11Z marino $
51 */
52 public class AddressAction extends Action
53 {
54
55 // --------------------------------------------------------- Public Methods
56
57 /**
58 * Handle server requests.
59 *
60 * @param mapping The ActionMapping used to select this instance
61 * @param actionForm The optional ActionForm bean for this request (if any)
62 * @param request The HTTP request we are processing
63 * @param response The HTTP response we are creating
64 *
65 * @exception IOException if an input/output error occurs
66 * @exception ServletException if a servlet exception occurs
67 */
68 public ActionForward execute(ActionMapping mapping,
69 ActionForm form,
70 HttpServletRequest request,
71 HttpServletResponse response)
72 throws IOException, ServletException
73 {
74 String action;
75 HttpSession session;
76
77 ActionErrors errors = new ActionErrors();
78
79 try
80 {
81 session = request.getSession();
82
83 // fetch action from form
84 action = ((AddressForm)form).getAction();
85
86 servlet.log("[DEBUG] AddressAction at perform(): Action ist " + action);
87
88 // Determine what to do
89 if ( action.equals("edit") )
90 {
91 // forward to edit formular
92 return (mapping.findForward("editAddress"));
93
94 }
95 else if (action.equals("save"))
96 {
97 // check if an address bean exits already
98 AddressBean bean = (AddressBean)session.getAttribute("address");
99
100 if (bean == null)
101 {
102 bean = new AddressBean();
103 session.setAttribute("address", bean);
104 }
105
106 // update bean with the new values submitted
107 bean.setFirstname( ((AddressForm)form).getFirstname() );
108 bean.setLastname( ((AddressForm)form).getLastname() );
109 bean.setStreet( ((AddressForm)form).getStreet() );
110 bean.setZip( ((AddressForm)form).getZip() );
111 bean.setCity( ((AddressForm)form).getCity() );
112 bean.setCountry( ((AddressForm)form).getCountry() );
113 bean.setLanguages( ((AddressForm)form).getLanguages() );
114
115 // forward to list
116 return (mapping.findForward("showAddress"));
117
118 }
119 else
120 {
121 String locale = ((AddressForm)form).getLocale();
122 if (locale.equals("Deutsch"))
123 session.setAttribute(Globals.LOCALE_KEY, new Locale("de", ""));
124 else
125 session.setAttribute(Globals.LOCALE_KEY, new Locale("en", ""));
126
127 // forward to edit formular
128 return (mapping.findForward("showAddress"));
129 }
130 }
131 catch (Exception e)
132 {
133 //errors.add(ActionErrors.GLOBAL_ERROR, new ActionError("lo053"));
134 servlet.log("[ERROR] TskAction at final catch: " + e.getMessage());
135 e.printStackTrace();
136
137 }
138
139 // Default if everthing else fails
140 return (mapping.findForward("showAddress"));
141
142 }
143 }
144
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