/**
* Redistribution and use of this software and associated documentation
* ("Software"), with or without modification, are permitted provided
* that the following conditions are met:
*
* 1. Redistributions of source code must retain copyright
* statements and notices. Redistributions must also contain a
* copy of this document.
*
* 2. Redistributions in binary form must reproduce the
* above copyright notice, this list of conditions and the
* following disclaimer in the documentation and/or other
* materials provided with the distribution.
*
* 3. The name "Exolab" must not be used to endorse or promote
* products derived from this Software without prior written
* permission of Exoffice Technologies. For written permission,
* please contact jima@intalio.com.
*
* 4. Products derived from this Software may not be called "Exolab"
* nor may "Exolab" appear in their names without prior written
* permission of Exoffice Technologies. Exolab is a registered
* trademark of Exoffice Technologies.
*
* 5. Due credit should be given to the Exolab Project
* (http://www.exolab.org/).
*
* THIS SOFTWARE IS PROVIDED BY EXOFFICE TECHNOLOGIES AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT
* NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
* FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
* EXOFFICE TECHNOLOGIES OR ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
* OF THE POSSIBILITY OF SUCH DAMAGE.
*
* Copyright 2001, 2003 (C) Exoffice Technologies Inc. All Rights Reserved.
*
* $Id: ActiveMQAdministrator.java,v 1.1 2004/08/12 11:00:31 jstrachan Exp $
*/
package org.exolab.jmscts.activemq;
import org.codehaus.activemq.ActiveMQConnectionFactory;
import org.codehaus.activemq.ActiveMQXAConnectionFactory;
import org.exolab.jmscts.provider.Administrator;
import javax.jms.Destination;
import javax.jms.JMSException;
import javax.jms.Queue;
import javax.jms.QueueConnection;
import javax.jms.QueueConnectionFactory;
import javax.jms.QueueSession;
import javax.jms.TopicConnection;
import javax.jms.TopicConnectionFactory;
import javax.jms.TopicSession;
import javax.naming.NameNotFoundException;
import javax.naming.NamingException;
import java.util.HashMap;
import java.util.HashSet;
/**
* This class provides methods for obtaining and manipulating administered
* objects managed by the ActiveMQ implementation of JMS
*
* @author <a href="mailto:james@protique.com">James Strahcan</a>
* @version $Revision: 1.1 $ $Date: 2004/08/12 11:00:31 $
* @see org.exolab.jmscts.activemq.ActiveMQProvider
*/
class ActiveMQAdministrator implements Administrator {
/**
* The broker address
*/
//private String brokerURL = "tcp://localhost:61616";
private String brokerURL = "vm://localhost";
/**
* The cache of known administered objects
*/
private HashMap _directory = new HashMap();
/**
* The set of known queues
*/
private HashSet _queues = new HashSet();
/**
* Queue connection for creating queues
*/
private QueueConnection _queueConnection = null;
/**
* Queue session for creating queues
*/
private QueueSession _queueSession = null;
/**
* Topic connection for creating topics
*/
private TopicConnection _topicConnection = null;
/**
* Topic session for creating topics
*/
private TopicSession _topicSession = null;
/**
* Returns the name of the QueueConnectionFactory bound in JNDI
*
* @return the default QueueConnectionFactory name
*/
public String getQueueConnectionFactory() {
return "QueueConnectionFactory";
}
/**
* Returns the name of the TopicConnectionFactory bound in JNDI
*
* @return the default TopicConnectionFactory name
*/
public String getTopicConnectionFactory() {
return "TopicConnectionFactory";
}
/**
* Returns the name of the XAQueueConnectionFactory bound in JNDI
*
* @return the default XAQueueConnectionFactory name
*/
public String getXAQueueConnectionFactory() {
return "XAQueueConnectionFactory";
}
/**
* Returns the name of the XATopicConnectionFactory bound in JNDI
*
* @return the default XATopicConnectionFactory name
*/
public String getXATopicConnectionFactory() {
return "XATopicConnectionFactory";
}
public String getBrokerURL() {
return brokerURL;
}
public void setBrokerURL(String brokerURL) {
this.brokerURL = brokerURL;
}
/**
* Look up the named administered object
*
* @param name the name that the administered object is bound to
* @return the administered object bound to name
* @throws javax.naming.NamingException if the object is not bound, or the lookup fails
*/
public Object lookup(String name) throws NamingException {
Object result = _directory.get(name);
if (result == null) {
try {
result = createAdministeredObject(name);
}
catch (JMSException exception) {
NamingException error = new NamingException(exception.getMessage());
error.setRootCause(exception);
throw error;
}
if (result == null) {
throw new NameNotFoundException("Name not found: " + name);
}
}
return result;
}
/**
* Create an administered destination
*
* @param name the destination name
* @param queue if true, create a queue, else create a topic
* @throws JMSException if the destination cannot be created
*/
public void createDestination(String name, boolean queue)
throws JMSException {
try {
if (queue) {
createQueue(name);
}
else {
createTopic(name);
}
}
catch (Exception exception) {
JMSException error = new JMSException(exception.getMessage());
error.setLinkedException(exception);
throw error;
}
}
/**
* Destroy an administered destination
*
* @param name the destination name
* @throws JMSException if the destination cannot be destroyed
*/
public void destroyDestination(String name)
throws JMSException {
try {
Destination destination = (Destination) lookup(name);
if (destination instanceof Queue) {
_queues.remove(name);
}
_directory.remove(name);
}
catch (NamingException exception) {
JMSException error = new JMSException(exception.getMessage());
error.setLinkedException(exception);
throw error;
}
catch (Exception exception) {
JMSException error = new JMSException(exception.getMessage());
error.setLinkedException(exception);
throw error;
}
}
/**
* Returns true if an administered destination exists
*
* @param name the destination name
* @throws JMSException for any internal JMS provider error
*/
public boolean destinationExists(String name)
throws JMSException {
boolean exists = false;
try {
lookup(name);
exists = true;
}
catch (NameNotFoundException ignore) {
}
catch (Exception exception) {
JMSException error = new JMSException(exception.getMessage());
error.setLinkedException(exception);
throw error;
}
return exists;
}
public void initialise() throws JMSException {
/*
try {
String[] queues = ...;
for (int i = 0; i < queues.length; ++i) {
_queues.add(queues[i]);
}
}
catch (Exception exception) {
JMSException error = new JMSException(exception.getMessage());
error.setLinkedException(exception);
throw error;
}
*/
}
public synchronized void cleanup() {
if (_queueConnection != null) {
try {
_queueConnection.close();
}
catch (Exception ignore) {
}
}
if (_topicConnection != null) {
try {
_topicConnection.close();
}
catch (Exception ignore) {
}
}
_directory.clear();
_queues.clear();
}
private Object createAdministeredObject(String name)
throws JMSException, NamingException {
Object result = null;
if (_queues.contains(name)) {
result = createQueue(name);
}
else if (name.equals(getQueueConnectionFactory())) {
result = new ActiveMQConnectionFactory(brokerURL);
_directory.put(name, result);
}
else if (name.equals(getTopicConnectionFactory())) {
result = new ActiveMQConnectionFactory(brokerURL);
_directory.put(name, result);
}
else if (name.equals(getXAQueueConnectionFactory())) {
result = new ActiveMQXAConnectionFactory(brokerURL);
_directory.put(name, result);
}
else if (name.equals(getXATopicConnectionFactory())) {
result = new ActiveMQXAConnectionFactory(brokerURL);
_directory.put(name, result);
}
return result;
}
private synchronized Object createQueue(String name)
throws JMSException, NamingException {
Object result = null;
if (_queueSession == null) {
QueueConnectionFactory factory = (QueueConnectionFactory) lookup(getQueueConnectionFactory());
_queueConnection = factory.createQueueConnection("Administrator",
"Administrator");
_queueSession = _queueConnection.createQueueSession(false, QueueSession.AUTO_ACKNOWLEDGE);
}
result = _queueSession.createQueue(name);
_directory.put(name, result);
_queues.add(name);
return result;
}
private synchronized Object createTopic(String name)
throws JMSException, NamingException {
Object result = null;
if (_topicSession == null) {
TopicConnectionFactory factory = (TopicConnectionFactory) lookup(getTopicConnectionFactory());
_topicConnection = factory.createTopicConnection("Administrator",
"Administrator");
_topicSession = _topicConnection.createTopicSession(false, TopicSession.AUTO_ACKNOWLEDGE);
}
result = _topicSession.createTopic(name);
_directory.put(name, result);
return result;
}
}