de.mhus.lib.jms.JmsDestination Maven / Gradle / Ivy

Go to download
package de.mhus.lib.jms;

import java.io.IOException;

import javax.jms.Destination;
import javax.jms.JMSException;
import javax.jms.Session;

import de.mhus.lib.core.MSystem;

public class JmsDestination extends JmsObject {

	protected JmsConnection con;
	private String destination;
	private boolean destinantionTopic;
	private Destination jmsDestination;

	public JmsDestination(String destination, boolean destinationTopic) {
		this.destination = destination;
		this.destinantionTopic = destinationTopic;
	}
	
	public Destination getDestination() throws JMSException {
		return jmsDestination;
	}
	
	public JmsConnection getConnection() {
		return con;
	}

	public JmsDestination setConnection(JmsConnection con) {
		if (MSystem.equals(this.con, con)) return this;
		this.con = con;
		try {
			reset();
			open();
		} catch (Exception e) {
			log().t(e);
		}
		return this;
	}
	
	@Override
	public Session getSession() {
		if (con == null) return null;
		return con.getSession();
	}

	@Override
	public synchronized void open() throws JMSException {
		if (isClosed()) throw new JMSException("destination closed");
		if (con == null || destination == null) return;
		if (jmsDestination == null || getSession() == null) {
			con.open();
			log().d("destination",destination);
			if (destinantionTopic)
	            jmsDestination = getSession().createTopic(destination);
			else
	            jmsDestination = getSession().createQueue(destination);
		}
	}

	public String getName() {
		return (destinantionTopic ? "/topic/" : "/queue/") + destination;
	}

	@Override
	public String toString() {
		return getName();
	}
	
	@Override
	public void reset() {
		jmsDestination = null;
	}

	public boolean isTopic() {
		return destinantionTopic;
	}

	@Override
	public boolean isConnected() {
		return jmsDestination != null;
	}

}