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.jmsmanager;
019    
020    import java.io.IOException;
021    import java.util.HashMap;
022    import java.util.Map;
023    
024    import javax.jms.ConnectionFactory;
025    import javax.portlet.ActionRequest;
026    import javax.portlet.ActionResponse;
027    import javax.portlet.PortletConfig;
028    import javax.portlet.PortletContext;
029    import javax.portlet.PortletException;
030    import javax.portlet.PortletRequestDispatcher;
031    import javax.portlet.RenderRequest;
032    import javax.portlet.RenderResponse;
033    import javax.portlet.WindowState;
034    
035    import org.apache.geronimo.console.BasePortlet;
036    import org.apache.geronimo.console.jmsmanager.handlers.CreateDestinationHandler;
037    import org.apache.geronimo.console.jmsmanager.handlers.PortletResponseHandler;
038    import org.apache.geronimo.console.jmsmanager.handlers.RemoveDestinationHandler;
039    import org.apache.geronimo.console.jmsmanager.handlers.StatisticsHandler;
040    import org.apache.geronimo.console.jmsmanager.renderers.CreateDestinationRenderer;
041    import org.apache.geronimo.console.jmsmanager.renderers.PortletRenderer;
042    import org.apache.geronimo.console.jmsmanager.renderers.StatisticsRenderer;
043    import org.apache.geronimo.console.jmsmanager.renderers.ViewDLQRenderer;
044    import org.apache.geronimo.console.jmsmanager.renderers.ViewDestinationsRenderer;
045    import org.apache.geronimo.console.jmsmanager.renderers.ViewMessagesRenderer;
046    
047    public class JMSManagerPortlet extends BasePortlet {
048    
049        private PortletRequestDispatcher edit;
050    
051        private PortletRequestDispatcher help;
052    
053        private ConnectionFactory cf;
054    
055        private Map handlers;
056    
057        private Map renderers;
058    
059        private PortletContext context;
060    
061        public void init(PortletConfig portletConfig) throws PortletException {
062            super.init(portletConfig);
063    
064            context = portletConfig.getPortletContext();
065    
066            help = context
067                    .getRequestDispatcher("/WEB-INF/view/jmsmanager/help.jsp");
068            edit = context
069                    .getRequestDispatcher("/WEB-INF/view/jmsmanager/edit.jsp");
070    
071            renderers = new HashMap();
072            renderers.put("createDestination", new CreateDestinationRenderer());
073            renderers.put("viewDestinations", new ViewDestinationsRenderer());
074            renderers.put("statistics", new StatisticsRenderer());
075            renderers.put("viewMessages", new ViewMessagesRenderer());
076            renderers.put("viewDLQ", new ViewDLQRenderer());
077    
078            handlers = new HashMap();
079            handlers.put("createDestination", new CreateDestinationHandler());
080            handlers.put("removeDestination", new RemoveDestinationHandler());
081            handlers.put("statistics", new StatisticsHandler());
082    
083        }
084    
085        public void doHelp(RenderRequest renderRequest,
086                RenderResponse renderResponse) throws PortletException, IOException {
087            help.include(renderRequest, renderResponse);
088        }
089    
090        public void doView(RenderRequest renderRequest,
091                RenderResponse renderResponse) throws IOException, PortletException {
092    
093            if (WindowState.MINIMIZED.equals(renderRequest.getWindowState())) {
094                return;
095            }
096    
097            String view = renderRequest.getParameter("processAction");
098            if (view == null) {
099                // no specific content requested - show the destinations list
100                view = "viewDestinations";
101            }
102    
103            PortletRenderer renderer = (PortletRenderer) renderers.get(view);
104            if (renderer == null) {
105                throw new PortletException("Invalid view parameter specified: "
106                        + view);
107            }
108    
109            String include = renderer.render(renderRequest, renderResponse);
110            if (include != null) {
111                PortletRequestDispatcher requestDispatcher = context
112                        .getRequestDispatcher(include);
113                requestDispatcher.include(renderRequest, renderResponse);
114            }
115    
116        }
117    
118        public void processAction(ActionRequest actionRequest,
119                ActionResponse actionResponse) throws PortletException, IOException {
120            String processAction = actionRequest.getParameter("processaction");
121    
122            PortletResponseHandler handler = (PortletResponseHandler) handlers
123                    .get(processAction);
124    
125            if (handler == null) {
126                // throw new RuntimeException( "no handlers for processAction = " +
127                // processAction );
128                handler = (PortletResponseHandler) handlers.get("viewDestinations");
129            }
130    
131            handler.processAction(actionRequest, actionResponse);
132        }
133    
134        public void destroy() {
135    
136            help = null;
137            edit = null;
138            super.destroy();
139        }
140    
141    }