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Java > Open Source Codes > org > apache > geronimo > console > jmsmanager > JMSManagerPortlet


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.jmsmanager;
19
20 import java.io.IOException JavaDoc;
21 import java.util.HashMap JavaDoc;
22 import java.util.Map JavaDoc;
23
24 import javax.jms.ConnectionFactory JavaDoc;
25 import javax.portlet.ActionRequest;
26 import javax.portlet.ActionResponse;
27 import javax.portlet.PortletConfig;
28 import javax.portlet.PortletContext;
29 import javax.portlet.PortletException;
30 import javax.portlet.PortletRequestDispatcher;
31 import javax.portlet.RenderRequest;
32 import javax.portlet.RenderResponse;
33 import javax.portlet.WindowState;
34
35 import org.apache.geronimo.console.BasePortlet;
36 import org.apache.geronimo.console.jmsmanager.handlers.CreateDestinationHandler;
37 import org.apache.geronimo.console.jmsmanager.handlers.PortletResponseHandler;
38 import org.apache.geronimo.console.jmsmanager.handlers.RemoveDestinationHandler;
39 import org.apache.geronimo.console.jmsmanager.handlers.StatisticsHandler;
40 import org.apache.geronimo.console.jmsmanager.renderers.CreateDestinationRenderer;
41 import org.apache.geronimo.console.jmsmanager.renderers.PortletRenderer;
42 import org.apache.geronimo.console.jmsmanager.renderers.StatisticsRenderer;
43 import org.apache.geronimo.console.jmsmanager.renderers.ViewDLQRenderer;
44 import org.apache.geronimo.console.jmsmanager.renderers.ViewDestinationsRenderer;
45 import org.apache.geronimo.console.jmsmanager.renderers.ViewMessagesRenderer;
46
47 public class JMSManagerPortlet extends BasePortlet {
48
49     private PortletRequestDispatcher edit;
50
51     private PortletRequestDispatcher help;
52
53     private ConnectionFactory JavaDoc cf;
54
55     private Map JavaDoc handlers;
56
57     private Map JavaDoc renderers;
58
59     private PortletContext context;
60
61     public void init(PortletConfig portletConfig) throws PortletException {
62         super.init(portletConfig);
63
64         context = portletConfig.getPortletContext();
65
66         help = context
67                 .getRequestDispatcher("/WEB-INF/view/jmsmanager/help.jsp");
68         edit = context
69                 .getRequestDispatcher("/WEB-INF/view/jmsmanager/edit.jsp");
70
71         renderers = new HashMap JavaDoc();
72         renderers.put("createDestination", new CreateDestinationRenderer());
73         renderers.put("viewDestinations", new ViewDestinationsRenderer());
74         renderers.put("statistics", new StatisticsRenderer());
75         renderers.put("viewMessages", new ViewMessagesRenderer());
76         renderers.put("viewDLQ", new ViewDLQRenderer());
77
78         handlers = new HashMap JavaDoc();
79         handlers.put("createDestination", new CreateDestinationHandler());
80         handlers.put("removeDestination", new RemoveDestinationHandler());
81         handlers.put("statistics", new StatisticsHandler());
82
83     }
84
85     public void doHelp(RenderRequest renderRequest,
86             RenderResponse renderResponse) throws PortletException, IOException JavaDoc {
87         help.include(renderRequest, renderResponse);
88     }
89
90     public void doView(RenderRequest renderRequest,
91             RenderResponse renderResponse) throws IOException JavaDoc, PortletException {
92
93         if (WindowState.MINIMIZED.equals(renderRequest.getWindowState())) {
94             return;
95         }
96
97         String JavaDoc view = renderRequest.getParameter("processAction");
98         if (view == null) {
99             // 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 JavaDoc 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 JavaDoc {
120         String JavaDoc 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 }
142
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