001    /**
002     *  Licensed to the Apache Software Foundation (ASF) under one or more
003     *  contributor license agreements.  See the NOTICE file distributed with
004     *  this work for additional information regarding copyright ownership.
005     *  The ASF licenses this file to You under the Apache License, Version 2.0
006     *  (the "License"); you may not use this file except in compliance with
007     *  the License.  You may obtain a copy of the License at
008     *
009     *     http://www.apache.org/licenses/LICENSE-2.0
010     *
011     *  Unless required by applicable law or agreed to in writing, software
012     *  distributed under the License is distributed on an "AS IS" BASIS,
013     *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
014     *  See the License for the specific language governing permissions and
015     *  limitations under the License.
016     */
017    
018    package org.apache.geronimo.console.infomanager;
019    
020    import java.io.IOException;
021    import java.util.Date;
022    import java.util.HashMap;
023    import java.util.Map;
024    
025    import javax.portlet.ActionRequest;
026    import javax.portlet.ActionResponse;
027    import javax.portlet.PortletConfig;
028    import javax.portlet.PortletException;
029    import javax.portlet.PortletRequestDispatcher;
030    import javax.portlet.RenderRequest;
031    import javax.portlet.RenderResponse;
032    import javax.portlet.WindowState;
033    
034    import org.apache.geronimo.console.BasePortlet;
035    import org.apache.geronimo.console.util.PortletManager;
036    import org.apache.geronimo.management.geronimo.JVM;
037    import org.apache.geronimo.system.serverinfo.ServerConstants;
038    
039    /**
040     * Calculates various information about the server to display in the server
041     * info portlet view (on of several JSPs depending on the portlet state).
042     *
043     * @version $Rev: 706640 $ $Date: 2008-10-21 14:44:05 +0000 (Tue, 21 Oct 2008) $
044     */
045    public class ServerInfoPortlet extends BasePortlet {
046        private static final String NORMALVIEW_JSP = "/WEB-INF/view/infomanager/svrInfoNormal.jsp";
047    
048        private static final String MAXIMIZEDVIEW_JSP = "/WEB-INF/view/infomanager/svrInfoMaximized.jsp";
049    
050        private static final String HELPVIEW_JSP = "/WEB-INF/view/infomanager/svrInfoHelp.jsp";
051    
052        private PortletRequestDispatcher normalView;
053    
054        private PortletRequestDispatcher maximizedView;
055    
056        private PortletRequestDispatcher helpView;
057    
058        public void processAction(ActionRequest actionRequest,
059                                  ActionResponse actionResponse) throws PortletException, IOException {
060        }
061    
062        protected void doView(RenderRequest renderRequest,
063                              RenderResponse renderResponse) throws IOException, PortletException {
064            if (WindowState.MINIMIZED.equals(renderRequest.getWindowState())) {
065                return;
066            }
067    
068            Map svrProps = new HashMap();
069            Map jvmProps = new HashMap();
070    
071            JVM jvm = PortletManager.getCurrentJVM(renderRequest);
072    
073            Date bootDate = jvm.getKernelBootTime();
074            svrProps.put("Kernel Boot Time", bootDate);
075            svrProps.put("Geronimo Version", ServerConstants.getVersion());
076            svrProps.put("Build", ServerConstants.getBuildDate() + "-" + ServerConstants.getBuildTime());
077            svrProps.put("os.name", System.getProperty("os.name"));
078            svrProps.put("os.version", System.getProperty("os.version"));
079            svrProps.put("sun.os.patch.level", System.getProperty("sun.os.patch.level"));
080            svrProps.put("os.arch", System.getProperty("os.arch"));
081            svrProps.put("os.locale", System.getProperty("user.language") + "_" + System.getProperty("user.country"));
082            renderRequest.setAttribute("svrProps", svrProps);
083    
084            jvmProps.put("Java Version", jvm.getJavaVersion());
085            jvmProps.put("Java Vendor", jvm.getJavaVendor());
086            jvmProps.put("Node", jvm.getNode());
087            jvmProps.put("Available Processors", new Integer(jvm.getAvailableProcessors()));
088            renderRequest.setAttribute("jvmProps", jvmProps);
089    
090            if (WindowState.NORMAL.equals(renderRequest.getWindowState())) {
091                normalView.include(renderRequest, renderResponse);
092            } else {
093                maximizedView.include(renderRequest, renderResponse);
094            }
095        }
096    
097        protected void doHelp(RenderRequest renderRequest,
098                              RenderResponse renderResponse) throws PortletException, IOException {
099            helpView.include(renderRequest, renderResponse);
100        }
101    
102        public void init(PortletConfig portletConfig) throws PortletException {
103            super.init(portletConfig);
104            normalView = portletConfig.getPortletContext().getRequestDispatcher(
105                    NORMALVIEW_JSP);
106            maximizedView = portletConfig.getPortletContext().getRequestDispatcher(
107                    MAXIMIZEDVIEW_JSP);
108            helpView = portletConfig.getPortletContext().getRequestDispatcher(
109                    HELPVIEW_JSP);
110        }
111    
112        public void destroy() {
113            normalView = null;
114            maximizedView = null;
115            helpView = null;
116            super.destroy();
117        }
118    }