Package org.exolab.jmscts.activemq

Source Code of org.exolab.jmscts.activemq.ActiveMQProvider

/**
* 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.
* Copyright 2005 (C) Hiram Chirino
*
* $Id: ActiveMQProvider.java,v 1.1.1.1 2005/03/11 21:15:21 jstrachan Exp $
*/
package org.exolab.jmscts.activemq;

import java.util.HashMap;

import javax.jms.JMSException;
import javax.naming.NameNotFoundException;
import javax.naming.NamingException;

import org.apache.commons.logging.LogFactory;
import org.activemq.ActiveMQConnection;
import org.activemq.ActiveMQConnectionFactory;
import org.activemq.ActiveMQXAConnectionFactory;
import org.activemq.message.ActiveMQDestination;
import org.activemq.message.ActiveMQQueue;
import org.activemq.message.ActiveMQTopic;
import org.exolab.jmscts.provider.Administrator;
import org.exolab.jmscts.provider.Provider;


/**
* 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>
* @author <a href="mailto:hiram@protique.com">Hiram Chirino</a>
* @version $Revision: 1.1.1.1 $ $Date: 2005/03/11 21:15:21 $
*/
public class ActiveMQProvider implements Provider, Administrator {

    private String brokerURL = System.getProperty("url", "vm://localhost");
    private HashMap directory = new HashMap();
    private ActiveMQConnection adminConnection = null;
   
    /**
     * Initialises the administation interface
     *
     * @throws JMSException if the administration interface can't be
     *                      initialised
     */
    public void initialise(boolean start) throws JMSException {
       
      System.out.println("==================================");
      System.out.println("ActiveMQ provider starting up.");
      System.out.println("==================================");
     
      directory.put(getQueueConnectionFactory(), new ActiveMQConnectionFactory(brokerURL));
        directory.put(getTopicConnectionFactory(), new ActiveMQConnectionFactory(brokerURL));
        directory.put(getXAQueueConnectionFactory(), new ActiveMQXAConnectionFactory(brokerURL));
        directory.put(getXATopicConnectionFactory(), new ActiveMQXAConnectionFactory(brokerURL));

    if( adminConnection!=null )
      throw new JMSException("Admin connection allready established.");
   
        ActiveMQConnectionFactory factory = new ActiveMQConnectionFactory(brokerURL);
        adminConnection = (ActiveMQConnection) factory.createConnection();
        adminConnection.setClientID("admin");         
        adminConnection.start();
    }

    /**
     * This method cleans up the administrator
     * @throws JMSException
     */
    public void cleanup(boolean stop) throws JMSException {
      System.out.println("==================================");
      System.out.println("ActiveMQ provider sutting down.");
      System.out.println("==================================");
      adminConnection.close();
      adminConnection=null;
        directory.clear();
    }

    /**
     * Returns the administration interface
     */
    public Administrator getAdministrator() {
        return this;
    }

    /**
     * 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) {
            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 {
        if (queue) {
          directory.put(name, new ActiveMQQueue(name));
        }
        else {
          directory.put(name, new ActiveMQTopic(name));
        }
    }

    /**
     * Destroy an administered destination
     *
     * @param name the destination name
     * @throws JMSException if the destination cannot be destroyed
     */
    public void destroyDestination(String name) throws JMSException {
      Object object = directory.remove(name);
      if( object!=null && object instanceof ActiveMQDestination ) {
        adminConnection.destroyDestination((ActiveMQDestination) object);
      }
    }

    /**
     * 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 {
      return directory.containsKey(name);
    }
   
    public String getQueueConnectionFactory() {
        return "QueueConnectionFactory";
    }
    public String getTopicConnectionFactory() {
        return "TopicConnectionFactory";
    }
    public String getXAQueueConnectionFactory() {
        return "XAQueueConnectionFactory";
    }
    public String getXATopicConnectionFactory() {
        return "XATopicConnectionFactory";
    }

    public String getBrokerURL() {
        return brokerURL;
    }

    public void setBrokerURL(String brokerURL) {
      LogFactory.getLog("TEST").info("!!!!!!!!!!!!!! setting url to "+brokerURL);
        this.brokerURL = brokerURL;
    }
}
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