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Java > Open Source Codes > org > apache > geronimo > console > jmxmanager > JMXManagerPortlet


1 /**
2  * Licensed to the Apache Software Foundation (ASF) under one or more
3  * contributor license agreements. See the NOTICE file distributed with
4  * this work for additional information regarding copyright ownership.
5  * The ASF licenses this file to You under the Apache License, Version 2.0
6  * (the "License"); you may not use this file except in compliance with
7  * the License. You may obtain a copy of the License at
8  *
9  * http://www.apache.org/licenses/LICENSE-2.0
10  *
11  * Unless required by applicable law or agreed to in writing, software
12  * distributed under the License is distributed on an "AS IS" BASIS,
13  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14  * See the License for the specific language governing permissions and
15  * limitations under the License.
16  */
17
18 package org.apache.geronimo.console.jmxmanager;
19
20 import java.io.IOException JavaDoc;
21 import java.io.PrintWriter JavaDoc;
22
23 import javax.portlet.ActionRequest;
24 import javax.portlet.ActionResponse;
25 import javax.portlet.PortletConfig;
26 import javax.portlet.PortletContext;
27 import javax.portlet.PortletException;
28 import javax.portlet.PortletRequestDispatcher;
29 import javax.portlet.RenderRequest;
30 import javax.portlet.RenderResponse;
31 import javax.portlet.WindowState;
32
33 import org.apache.geronimo.console.BasePortlet;
34
35 /**
36  * The JMX manager portlet
37  */
38 public class JMXManagerPortlet extends BasePortlet {
39     private static final String JavaDoc VIEWJMXSERVER_ACTION = "viewJMXServer";
40
41     private static final String JavaDoc VIEWJMXSERVER_JSP = "/WEB-INF/view/jmxmanager/viewJMXServer.jsp";
42
43     private static final String JavaDoc HELP_JSP = "/WEB-INF/view/jmxmanager/help.jsp";
44
45     private PortletRequestDispatcher viewJMXServerView;
46
47     private PortletRequestDispatcher helpView;
48
49     /**
50      * Process an action request
51      */
52     public void processAction(ActionRequest actionRequest,
53             ActionResponse actionResponse) throws PortletException, IOException JavaDoc {
54     }
55
56     /**
57      * Serve up the view mode
58      */
59     protected void doView(RenderRequest renderRequest,
60             RenderResponse renderResponse) throws IOException JavaDoc, PortletException {
61         if (WindowState.MINIMIZED.equals(renderRequest.getWindowState())) {
62             return;
63         } else if (WindowState.NORMAL.equals(renderRequest.getWindowState())) {
64             String JavaDoc action = renderRequest.getParameter("action");
65             if (action == null) {
66                 action = VIEWJMXSERVER_ACTION;
67             }
68             if (VIEWJMXSERVER_ACTION.equals(action)) {
69                 viewJMXServerView.include(renderRequest, renderResponse);
70             } else {
71                 renderResponse.setContentType("text/html");
72                 PrintWriter JavaDoc out = renderResponse.getWriter();
73                 String JavaDoc errorMsg = "Invalid action message: " + action;
74                 out.println(errorMsg);
75             }
76         } else if (WindowState.MAXIMIZED.equals(renderRequest.getWindowState())) {
77             renderResponse.setContentType("text/html");
78             PrintWriter JavaDoc out = renderResponse.getWriter();
79             String JavaDoc errorMsg = "Invalid window state: "
80                     + renderRequest.getWindowState();
81             out.println(errorMsg);
82         }
83     }
84
85     /**
86      * Serve up the help mode
87      */
88     protected void doHelp(RenderRequest renderRequest,
89             RenderResponse renderResponse) throws PortletException, IOException JavaDoc {
90         helpView.include(renderRequest, renderResponse);
91     }
92
93     /**
94      * Portlet is being placed into service
95      */
96     public void init(PortletConfig portletConfig) throws PortletException {
97         super.init(portletConfig);
98         PortletContext pc = portletConfig.getPortletContext();
99         viewJMXServerView = pc.getRequestDispatcher(VIEWJMXSERVER_JSP);
100         helpView = pc.getRequestDispatcher(HELP_JSP);
101     }
102
103     /**
104      * Portlet is being taken out of service
105      */
106     public void destroy() {
107         viewJMXServerView = null;
108         helpView = null;
109         super.destroy();
110     }
111 }
112
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