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Java > Open Source Codes > org > apache > webapp > admin > context > EditContextAction


1 /*
2  * Copyright 2001-2002,2004 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 package org.apache.webapp.admin.context;
18
19 import java.io.IOException JavaDoc;
20 import java.util.Locale JavaDoc;
21 import javax.servlet.ServletException JavaDoc;
22 import javax.servlet.http.HttpServletRequest JavaDoc;
23 import javax.servlet.http.HttpServletResponse JavaDoc;
24 import javax.servlet.http.HttpSession JavaDoc;
25 import org.apache.struts.action.Action;
26 import org.apache.struts.action.ActionForm;
27 import org.apache.struts.action.ActionForward;
28 import org.apache.struts.action.ActionMapping;
29 import org.apache.struts.util.MessageResources;
30
31 import javax.management.MBeanServer JavaDoc;
32 import javax.management.ObjectName JavaDoc;
33
34 import org.apache.webapp.admin.ApplicationServlet;
35 import org.apache.webapp.admin.Lists;
36
37 /**
38  * The <code>Action</code> that sets up <em>Edit Context</em> transactions.
39  *
40  * @author Manveen Kaur
41  * @version $Revision: 1.12 $ $Date: 2005/01/14 23:55:41 $
42  */
43
44 public class EditContextAction extends Action {
45     
46
47     /**
48      * The MBeanServer we will be interacting with.
49      */
50     private MBeanServer JavaDoc mBServer = null;
51     
52
53     // --------------------------------------------------------- Public Methods
54
55     /**
56      * Process the specified HTTP request, and create the corresponding HTTP
57      * response (or forward to another web component that will create it).
58      * Return an <code>ActionForward</code> instance describing where and how
59      * control should be forwarded, or <code>null</code> if the response has
60      * already been completed.
61      *
62      * @param mapping The ActionMapping used to select this instance
63      * @param actionForm The optional ActionForm bean for this request (if any)
64      * @param request The HTTP request we are processing
65      * @param response The HTTP response we are creating
66      *
67      * @exception IOException if an input/output error occurs
68      * @exception ServletException if a servlet exception occurs
69      */
70     public ActionForward execute(ActionMapping mapping,
71                                  ActionForm form,
72                                  HttpServletRequest JavaDoc request,
73                                  HttpServletResponse JavaDoc response)
74         throws IOException JavaDoc, ServletException JavaDoc {
75         
76         // Acquire the resources that we need
77 HttpSession JavaDoc session = request.getSession();
78         Locale JavaDoc locale = getLocale(request);
79         MessageResources resources = getResources(request);
80         
81         // Acquire a reference to the MBeanServer containing our MBeans
82 try {
83             mBServer = ((ApplicationServlet) getServlet()).getServer();
84         } catch (Throwable JavaDoc t) {
85             throw new ServletException JavaDoc
86             ("Cannot acquire MBeanServer reference", t);
87         }
88         
89         // Set up the object names of the MBeans we are manipulating
90 // Context mBean
91 ObjectName JavaDoc cname = null;
92         // Loader mBean
93 ObjectName JavaDoc lname = null;
94         // Manager mBean
95 ObjectName JavaDoc mname = null;
96         
97         StringBuffer JavaDoc sb = null;
98         try {
99             cname = new ObjectName JavaDoc(request.getParameter("select"));
100         } catch (Exception JavaDoc e) {
101             String JavaDoc message =
102                 resources.getMessage(locale, "error.contextName.bad",
103                                      request.getParameter("select"));
104             getServlet().log(message);
105             response.sendError(HttpServletResponse.SC_BAD_REQUEST, message);
106             return (null);
107         }
108         String JavaDoc name = cname.getKeyProperty("name");
109         name = name.substring(2);
110         int i = name.indexOf("/");
111         String JavaDoc host = name.substring(0,i);
112         String JavaDoc path = name.substring(i);
113         // Get the corresponding loader
114 try {
115             sb = new StringBuffer JavaDoc(cname.getDomain());
116             sb.append(":type=Loader");
117             sb.append(",path="+path);
118             sb.append(",host="+host);
119             lname = new ObjectName JavaDoc(sb.toString());
120          } catch (Exception JavaDoc e) {
121             String JavaDoc message =
122                 resources.getMessage(locale, "error.managerName.bad",
123                                  sb.toString());
124             getServlet().log(message);
125             response.sendError(HttpServletResponse.SC_BAD_REQUEST, message);
126             return (null);
127         }
128
129         // Session manager properties
130 // Get the corresponding Session Manager mBean
131 try {
132             sb = new StringBuffer JavaDoc(cname.getDomain());
133             sb.append(":type=Manager");
134             sb.append(",path="+path);
135             sb.append(",host="+host);
136             mname = new ObjectName JavaDoc(sb.toString());
137         } catch (Exception JavaDoc e) {
138             String JavaDoc message =
139                 resources.getMessage("error.managerName.bad",
140                                  sb.toString());
141             getServlet().log(message);
142             response.sendError(HttpServletResponse.SC_BAD_REQUEST, message);
143             return (null);
144         }
145
146         // Fill in the form values for display and editing
147 ContextForm contextFm = new ContextForm();
148         session.setAttribute("contextForm", contextFm);
149         contextFm.setAdminAction("Edit");
150         contextFm.setObjectName(cname.toString());
151         contextFm.setLoaderObjectName(lname.toString());
152         contextFm.setManagerObjectName(mname.toString());
153         sb = new StringBuffer JavaDoc();
154         sb.append(resources.getMessage(locale, "server.service.treeBuilder.context"));
155         sb.append(" (");
156         sb.append(path);
157         sb.append(")");
158         contextFm.setNodeLabel(sb.toString());
159         contextFm.setBooleanVals(Lists.getBooleanValues());
160        
161         String JavaDoc attribute = null;
162         try {
163
164             // Copy scalar properties
165 attribute = "path";
166             contextFm.setPath
167                 ((String JavaDoc) mBServer.getAttribute(cname, attribute));
168             attribute = "cookies";
169             contextFm.setCookies
170                 (((Boolean JavaDoc) mBServer.getAttribute(cname, attribute)).toString());
171             attribute = "crossContext";
172             contextFm.setCrossContext
173                 (((Boolean JavaDoc) mBServer.getAttribute(cname, attribute)).toString());
174             attribute = "docBase";
175             contextFm.setDocBase
176                 ((String JavaDoc) mBServer.getAttribute(cname, attribute));
177             attribute = "workDir";
178             contextFm.setWorkDir
179                 ((String JavaDoc) mBServer.getAttribute(cname, attribute));
180             attribute = "useNaming";
181             contextFm.setUseNaming
182                 (((Boolean JavaDoc) mBServer.getAttribute(cname, attribute)).toString());
183             attribute = "reloadable";
184             contextFm.setReloadable
185                 (((Boolean JavaDoc) mBServer.getAttribute(cname, attribute)).toString());
186             attribute = "swallowOutput";
187             contextFm.setSwallowOutput
188                 (((Boolean JavaDoc) mBServer.getAttribute(cname, attribute)).toString());
189             attribute = "override";
190             contextFm.setOverride
191                 (((Boolean JavaDoc) mBServer.getAttribute(cname, attribute)).toString());
192             attribute = "privileged";
193             contextFm.setPrivileged
194                 (((Boolean JavaDoc) mBServer.getAttribute(cname, attribute)).toString());
195
196         attribute = "antiJARLocking";
197         contextFm.setAntiJarLocking
198         (((Boolean JavaDoc) mBServer.getAttribute(cname, attribute)).toString());
199         attribute = "antiResourceLocking";
200         contextFm.setAntiResourceLocking
201         (((Boolean JavaDoc) mBServer.getAttribute(cname, attribute)).toString());
202             // loader properties
203 //attribute = "checkInterval";
204 //contextFm.setLdrCheckInterval
205 // (((Integer) mBServer.getAttribute(lname, attribute)).toString());
206 attribute = "reloadable";
207             contextFm.setLdrReloadable
208                 (((Boolean JavaDoc) mBServer.getAttribute(lname, attribute)).toString());
209
210             // manager properties
211 attribute = "entropy";
212             contextFm.setMgrSessionIDInit
213                 ((String JavaDoc) mBServer.getAttribute(mname, attribute));
214             attribute = "maxActiveSessions";
215             contextFm.setMgrMaxSessions
216                 (((Integer JavaDoc) mBServer.getAttribute(mname, attribute)).toString());
217             //attribute = "checkInterval";
218 //contextFm.setMgrCheckInterval
219 // (((Integer) mBServer.getAttribute(mname, attribute)).toString());
220
221         } catch (Throwable JavaDoc t) {
222             getServlet().log
223                 (resources.getMessage(locale, "users.error.attribute.get",
224                                       attribute), t);
225             response.sendError
226                 (HttpServletResponse.SC_INTERNAL_SERVER_ERROR,
227                  resources.getMessage(locale, "users.error.attribute.get",
228                                       attribute));
229             return (null);
230         }
231         
232         // Forward to the context display page
233 return (mapping.findForward("Context"));
234         
235     }
236
237
238 }
239
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