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Java > Open Source Codes > org > apache > jetspeed > portal > portlets > admin > ServletContextPortlet


1 /*
2  * Copyright 2000-2001,2004 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.jetspeed.portal.portlets.admin;
18
19 //Element Construction Set
20 import org.apache.ecs.html.Table;
21 import org.apache.ecs.html.TD;
22 import org.apache.ecs.html.TH;
23 import org.apache.ecs.html.TR;
24 import org.apache.ecs.ConcreteElement;
25
26 //Jetspeed stuff
27 import org.apache.jetspeed.portal.portlets.AbstractPortlet;
28 import org.apache.jetspeed.portal.PortletException;
29 import org.apache.jetspeed.services.logging.JetspeedLogFactoryService;
30 import org.apache.jetspeed.services.logging.JetspeedLogger;
31
32 //turbine
33 import org.apache.turbine.util.RunData;
34 import org.apache.turbine.services.servlet.TurbineServlet;
35
36 //standard java stuff
37 import java.util.Enumeration JavaDoc;
38 import javax.servlet.ServletContext JavaDoc;
39
40 /**
41
42 @author <a HREF="mailto:tkuebler@cisco.com">Todd Kuebler</a>
43 @version $Id: ServletContextPortlet.java,v 1.4 2004/02/23 03:26:19 jford Exp $
44
45 Based on the Java Runtime Portlet.
46
47 */
48 public class ServletContextPortlet extends AbstractPortlet
49 {
50
51     /**
52      * Static initialization of the logger for this class
53      */
54     private static final JetspeedLogger logger = JetspeedLogFactoryService.getLogger(ServletContextPortlet.class.getName());
55     
56     public ConcreteElement getContent( RunData rundata ) {
57
58         Table table = new Table().setWidth("100%");
59
60         try {
61
62             ServletContext JavaDoc context = TurbineServlet.getServletContext();
63
64             table.addElement( new TR()
65                 .addElement( new TH( "Key" ) )
66                 .addElement( new TH( "String Value" ) ) );
67
68             table.addElement( new TR()
69                 .addElement( new TD( "Server Info" ) )
70                 .addElement( new TD( context.getServerInfo() ) ) );
71
72             table.addElement( new TR()
73                 .addElement( new TH( "Attribute" ) )
74                 .addElement( new TH( "String Value" ) ) );
75
76             Enumeration JavaDoc names = context.getAttributeNames();
77
78             while ( names.hasMoreElements() ) {
79                 String JavaDoc name = (String JavaDoc) names.nextElement();
80                 table.addElement( new TR()
81                     .addElement( new TD( name ) )
82                     .addElement( new TD( context.getAttribute( name ).toString() ) ) );
83             }
84
85             table.addElement( new TR()
86                 .addElement( new TH( "InitParameter" ) )
87                 .addElement( new TH( "String Value" ) ) );
88
89
90             Enumeration JavaDoc ipnames = context.getInitParameterNames();
91             while ( ipnames.hasMoreElements() ) {
92                 String JavaDoc ipname = (String JavaDoc) ipnames.nextElement();
93                 table.addElement( new TR()
94                     .addElement( new TD( ipname ) )
95                     .addElement( new TD( context.getInitParameter( ipname ).toString() ) ) );
96             }
97
98         } catch (Throwable JavaDoc t) {
99             logger.error("Throwable", t);
100             table.addElement( new TR()
101                 .addElement( new TD( "Error" ) )
102                 .addElement( new TD( "Could not read servlet context" ) ) );
103         }
104
105         return table;
106     }
107     
108     /**
109     @author <a HREF="mailto:tkuebler@cisco.com">Todd Kuebler</a>
110     @version $Id: ServletContextPortlet.java,v 1.4 2004/02/23 03:26:19 jford Exp $
111     */
112     public void init() throws PortletException {
113
114         this.setTitle("Java Servlet Context");
115         this.setDescription("Attributes of your Servlet Context");
116
117     }
118
119     public boolean getAllowEdit(RunData rundata) {
120         return false;
121     }
122
123     public boolean getAllowMaximize(RunData rundata) {
124         return false;
125     }
126     
127     
128 }
129
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