/**
*
* Copyright 2004, 2005 The Apache Software Foundation or its licensors, as applicable.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.geronimo.console.jmsmanager.renderers;
import java.io.IOException;
import java.lang.reflect.Field;
import java.util.ArrayList;
import java.util.Enumeration;
import java.util.List;
import javax.jms.Connection;
import javax.jms.ConnectionFactory;
import javax.jms.Destination;
import javax.jms.Queue;
import javax.jms.QueueBrowser;
import javax.jms.Session;
import javax.management.ObjectName;
import javax.portlet.PortletException;
import javax.portlet.RenderRequest;
import javax.portlet.RenderResponse;
import org.activemq.service.DeadLetterPolicy;
import org.apache.geronimo.console.jmsmanager.AbstractJMSManager;
import org.apache.geronimo.j2ee.j2eeobjectnames.NameFactory;
import org.apache.geronimo.gbean.AbstractName;
public class ViewDLQRenderer extends AbstractJMSManager implements
PortletRenderer {
private Destination dlq = null;
private QueueBrowser dlqBrowser = null;
private Connection connection = null;
private Session session = null;
private String dlqName;
public ViewDLQRenderer() {
}
public void setup(RenderRequest request, RenderResponse response) {
String destinationApplicationName = request
.getParameter("destinationApplicationName");
String destinationModuleName = request
.getParameter("destinationModuleName");
String destinationName = request.getParameter("destinationName");
try {
//TODO configid disabled
AbstractName adminObjectName = null;//NameFactory.getComponentName(null,
// null, destinationApplicationName, NameFactory.JCA_RESOURCE,
// destinationModuleName, destinationName, null, baseContext);
Destination destination = (Destination) kernel.invoke(adminObjectName,
"$getResource");
ConnectionFactory connectionFactory = (ConnectionFactory) kernel
.invoke(JCA_MANAGED_CONNECTION_FACTORY_NAME,
"$getResource");
connection = connectionFactory.createConnection();
session = connection.createSession(false, Session.AUTO_ACKNOWLEDGE);
DeadLetterPolicy dlp = new DeadLetterPolicy();
//dlqName =
// dlp.getDeadLetterNameFromDestination((ActiveMQDestination)
// destination);
// This is a hack to get around the fact that the code commented
// above throws a ClassCastException due to ClassLoader weirdness.
Field f = dlp.getClass().getDeclaredField(
"deadLetterPerDestinationName");
f.setAccessible(true);
boolean deadLetterPerDestinationName = f.getBoolean(dlp);
f = dlp.getClass().getDeclaredField("deadLetterPrefix");
f.setAccessible(true);
String deadLetterPrefix = "" + f.get(dlp);
if (deadLetterPerDestinationName) {
dlqName = deadLetterPrefix
+ destination.getClass().getMethod("getPhysicalName",
null).invoke(destination, null);
} else {
dlqName = deadLetterPrefix + deadLetterPrefix;
}
dlq = session.createQueue(dlqName);
dlqBrowser = session.createBrowser((Queue) dlq);
connection.start();
} catch (Exception e) {
e.printStackTrace();
}
}
public List getDLQContents(QueueBrowser qb) {
List list = new ArrayList();
try {
for (Enumeration e = qb.getEnumeration(); e.hasMoreElements();) {
Object o = e.nextElement();
list.add(o);
}
connection.stop();
dlqBrowser.close();
session.close();
connection.close();
} catch (Exception e) {
e.printStackTrace();
}
return list;
}
public String render(RenderRequest request, RenderResponse response)
throws PortletException, IOException {
setup(request, response);
List dlqContents = getDLQContents(dlqBrowser);
request.setAttribute("dlqcontents", dlqContents);
request.setAttribute("dlqname", dlqName);
return "/WEB-INF/view/jmsmanager/viewDLQ.jsp";
}
}