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Java > Open Source Codes > org > apache > webapp > admin > resources > SaveMailSessionAction


1 /*
2  * Copyright 2002,2004 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
18 package org.apache.webapp.admin.resources;
19
20 import java.io.IOException JavaDoc;
21 import java.net.URLDecoder JavaDoc;
22 import java.util.ArrayList JavaDoc;
23 import java.util.Iterator JavaDoc;
24 import java.util.Locale JavaDoc;
25 import javax.servlet.ServletException JavaDoc;
26 import javax.servlet.http.HttpServletRequest JavaDoc;
27 import javax.servlet.http.HttpServletResponse JavaDoc;
28 import javax.servlet.http.HttpSession JavaDoc;
29 import org.apache.struts.action.Action;
30 import org.apache.struts.action.ActionError;
31 import org.apache.struts.action.ActionErrors;
32 import org.apache.struts.action.ActionForm;
33 import org.apache.struts.action.ActionForward;
34 import org.apache.struts.action.ActionMapping;
35 import javax.management.Attribute JavaDoc;
36 import javax.management.MBeanServer JavaDoc;
37 import javax.management.MBeanServerFactory JavaDoc;
38 import javax.management.QueryExp JavaDoc;
39 import javax.management.Query JavaDoc;
40 import javax.management.ObjectInstance JavaDoc;
41 import javax.management.ObjectName JavaDoc;
42 import javax.management.JMException JavaDoc;
43 import javax.management.MBeanAttributeInfo JavaDoc;
44 import javax.management.MBeanOperationInfo JavaDoc;
45 import javax.management.MBeanInfo JavaDoc;
46 import org.apache.struts.util.MessageResources;
47 import org.apache.webapp.admin.ApplicationServlet;
48
49
50 /**
51  * <p>Implementation of <strong>Action</strong> that saves a new or
52  * updated mail session entry.</p>
53  *
54  * @author Amy Roh
55  * @version $Revision: 1.9 $ $Date: 2004/10/18 06:37:54 $
56  * @since 4.1
57  */

58
59 public final class SaveMailSessionAction extends Action {
60
61
62     // ----------------------------------------------------- Instance Variables
63

64     /**
65      * The MBeanServer we will be interacting with.
66      */

67     private MBeanServer JavaDoc mserver = null;
68
69     // --------------------------------------------------------- Public Methods
70

71
72     /**
73      * Process the specified HTTP request, and create the corresponding HTTP
74      * response (or forward to another web component that will create it).
75      * Return an <code>ActionForward</code> instance describing where and how
76      * control should be forwarded, or <code>null</code> if the response has
77      * already been completed.
78      *
79      * @param mapping The ActionMapping used to select this instance
80      * @param actionForm The optional ActionForm bean for this request (if any)
81      * @param request The HTTP request we are processing
82      * @param response The HTTP response we are creating
83      *
84      * @exception IOException if an input/output error occurs
85      * @exception ServletException if a servlet exception occurs
86      */

87     public ActionForward execute(ActionMapping mapping,
88                                  ActionForm form,
89                                  HttpServletRequest JavaDoc request,
90                                  HttpServletResponse JavaDoc response)
91         throws IOException JavaDoc, ServletException JavaDoc {
92
93         // Look up the components we will be using as needed
94
if (mserver == null) {
95             mserver = ((ApplicationServlet) getServlet()).getServer();
96         }
97         MessageResources resources = getResources(request);
98         HttpSession JavaDoc session = request.getSession();
99         Locale JavaDoc locale = getLocale(request);
100
101         // Has this transaction been cancelled?
102
if (isCancelled(request)) {
103             return (mapping.findForward("List MailSessions Setup"));
104         }
105
106         // Check the transaction token
107
if (!isTokenValid(request)) {
108             response.sendError
109                 (HttpServletResponse.SC_BAD_REQUEST,
110                  resources.getMessage(locale, "users.error.token"));
111             return (null);
112         }
113
114         // Perform any extra validation that is required
115
MailSessionForm mailSessionForm = (MailSessionForm) form;
116         String JavaDoc objectName = mailSessionForm.getObjectName();
117
118         // Perform an "Add MailSession" transaction
119
if (objectName == null) {
120
121             String JavaDoc signature[] = new String JavaDoc[2];
122             signature[0] = "java.lang.String";
123             signature[1] = "java.lang.String";
124
125             Object JavaDoc params[] = new Object JavaDoc[2];
126             params[0] = mailSessionForm.getName();
127             params[1] = ResourceUtils.MAILSESSION_CLASS;
128             
129             String JavaDoc resourcetype = mailSessionForm.getResourcetype();
130             String JavaDoc path = mailSessionForm.getPath();
131             String JavaDoc host = mailSessionForm.getHost();
132             String JavaDoc domain = mailSessionForm.getDomain();
133             
134             ObjectName JavaDoc oname = null;
135
136             try {
137             
138                 if (resourcetype.equals("Global")) {
139                     oname = new ObjectName JavaDoc( domain + ResourceUtils.RESOURCE_TYPE +
140                                             ResourceUtils.GLOBAL_TYPE +
141                                             ",class=" + params[1] +
142                                             ",name=" + params[0]);
143                 } else if (resourcetype.equals("Context")) {
144                     oname = new ObjectName JavaDoc( domain + ResourceUtils.RESOURCE_TYPE +
145                                             ResourceUtils.CONTEXT_TYPE +
146                                             ",path=" + path + ",host=" + host +
147                                             ",class=" + params[1] +
148                                             ",name=" + params[0]);
149                 }
150                             
151                 if (mserver.isRegistered(oname)) {
152                     ActionErrors errors = new ActionErrors();
153                     errors.add("name",
154                                new ActionError("resources.invalid.name"));
155                     saveErrors(request, errors);
156                     return (new ActionForward(mapping.getInput()));
157                 }
158                 
159                 oname = ResourceUtils.getNamingResourceObjectName(domain,
160                             resourcetype, path, host);
161                             
162                 // Create the new object and associated MBean
163
objectName = (String JavaDoc) mserver.invoke(oname, "addResource",
164                                                      params, signature);
165                                      
166             } catch (Exception JavaDoc e) {
167
168                 getServlet().log
169                     (resources.getMessage(locale, "users.error.invoke",
170                                           "addResource"), e);
171                 response.sendError
172                     (HttpServletResponse.SC_INTERNAL_SERVER_ERROR,
173                      resources.getMessage(locale, "users.error.invoke",
174                                           "addResource"));
175                 return (null);
176             }
177
178         }
179         
180         // Perform an "Update User database" transaction
181
String JavaDoc attribute = null;
182         try {
183             
184             ObjectName JavaDoc oname = new ObjectName JavaDoc(objectName);
185
186             attribute = "mail.smtp.host";
187             mserver.setAttribute
188                 (oname,
189                  new Attribute JavaDoc(attribute, mailSessionForm.getMailhost()));
190
191         } catch (Exception JavaDoc e) {
192
193             getServlet().log
194                 (resources.getMessage(locale, "users.error.set.attribute",
195                                       attribute), e);
196             response.sendError
197                 (HttpServletResponse.SC_INTERNAL_SERVER_ERROR,
198                  resources.getMessage(locale, "users.error.set.attribute",
199                                       attribute));
200             return (null);
201
202         }
203         
204         // Proceed to the list entries screen
205
return (mapping.findForward("MailSessions List Setup"));
206
207     }
208
209
210 }
211
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