ActiveMQ实现jms Publish/Subscribe实例

MessagePublisher

package jms.activemq.myexample;

import java.util.Date;
import javax.jms.Connection;
import javax.jms.DeliveryMode;
import javax.jms.JMSException;
import javax.jms.MessageProducer;
import javax.jms.Session;
import javax.jms.Topic;
import org.apache.activemq.ActiveMQConnectionFactory;

public class MessagePublisher implements Runnable {
	private String url;
	private String user;
	private String password;
	private String topicName;

	public MessagePublisher(String topicName, String url, String user,
			String password) {
		this.url = url;
		this.user = user;
		this.password = password;
		this.topicName = topicName;
	}

	@Override
	public void run() {
		ActiveMQConnectionFactory connectionFactory = new ActiveMQConnectionFactory(
				user, password, url);
		Session session = null;
		MessageProducer sendPublisher;
		Connection connection = null;

		int messageCount = 0;
		try {
			connection = connectionFactory.createConnection();

			connection.start();
			
			//创建Topic
			//Topic topic = new ActiveMQTopic(this.topicName);
			session = connection.createSession(false,
					Session.AUTO_ACKNOWLEDGE);
			Topic topic = session.createTopic(this.topicName);
			sendPublisher = session.createProducer(topic);
			while (true) {
				String text = new Date() + "现在发送是第" + messageCount + "条消息";

				sendPublisher.setDeliveryMode(DeliveryMode.NON_PERSISTENT);
				sendPublisher.send(session.createTextMessage(text));

				if ((++messageCount) == 3) {
					// 发够十条消息退出
					break;
				}
				Thread.sleep(1000);
			}

			//sendPublisher.close();

			//connection.close();
			
			System.out.println("发布消息线程结束！！！！！！！！！！！！！！！！！！！！！！！！");
		} catch (JMSException e) {
			e.printStackTrace();
		} catch (InterruptedException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}
	}

	public String getUrl() {
		return url;
	}

	public void setUrl(String url) {
		this.url = url;
	}

	public String getUser() {
		return user;
	}

	public void setUser(String user) {
		this.user = user;
	}

	public String getPassword() {
		return password;
	}

	public void setPassword(String password) {
		this.password = password;
	}

	public String getTopic() {
		return topicName;
	}

}

MessageSubscriber

package jms.activemq.myexample;

import javax.jms.Connection;
import javax.jms.JMSException;
import javax.jms.MessageConsumer;
import javax.jms.Session;
import javax.jms.Topic;

import org.apache.activemq.ActiveMQConnectionFactory;

public class MessageSubscriber implements Runnable {
	private String url;
	private String user;
	private String password;
	private String topicName;

	public MessageSubscriber(String topicName, String url, String user,
			String password) {
		this.url = url;
		this.user = user;
		this.password = password;
		this.topicName = topicName;
	}

	@Override
	public void run() {
		ActiveMQConnectionFactory connectionFactory = new ActiveMQConnectionFactory(
				user, password, url);
		Session session = null;
		MessageConsumer subscriber;
		Connection connection = null;
		try {
			connection = connectionFactory.createConnection();

			session = connection.createSession(false, Session.AUTO_ACKNOWLEDGE);

			// 创建Topic
			Topic topic = session.createTopic(this.topicName);

			session = connection.createSession(true, Session.AUTO_ACKNOWLEDGE);

			subscriber = session.createConsumer(topic);
			subscriber.setMessageListener(new TextListener());
			connection.start();

			System.out.println(Thread.currentThread().getName() + "开启");

			// connection.close();
		} catch (JMSException e) {
			if (connection != null) {
				try {
					connection.close();
				} catch (JMSException e1) {
					// TODO Auto-generated catch block
					e1.printStackTrace();
				}
			}
		}
	}

	public String getUrl() {
		return url;
	}

	public void setUrl(String url) {
		this.url = url;
	}

	public String getUser() {
		return user;
	}

	public void setUser(String user) {
		this.user = user;
	}

	public String getPassword() {
		return password;
	}

	public void setPassword(String password) {
		this.password = password;
	}

	public String getTopic() {
		return topicName;
	}
}

TextListener

package jms.activemq.myexample;


import javax.jms.*;

/**
 * Text消息监听
 * 
 * @author XXXX
 * 
 */
public class TextListener implements MessageListener {

	/**
	 * Casts the message to a TextMessage and displays its text.
	 * 
	 * @param message
	 *            the incoming message
	 */
	public void onMessage(Message message) {
		TextMessage msg = null;

		try {
			if (message instanceof TextMessage) {
				msg = (TextMessage) message;
				System.out.println("Reading message: " + msg.getText());
			} else {
				System.out.println("Message of wrong type: "
						+ message.getClass().getName());
			}
		} catch (JMSException e) {
			System.out.println("JMSException in onMessage(): " + e.toString());
		} catch (Throwable t) {
			System.out.println("Exception in onMessage():" + t.getMessage());
		}
	}
}

MyActiveMQDemo

package jms.activemq.myexample;

import javax.jms.JMSException;

public class MyActiveMQDemo {
	public static void main(String[] args) throws InterruptedException, JMSException {
		String url = "tcp://localhost:61616";
		String user = null;
		String password = null;
		String query = "MyQueueA";
		String topic = "TestTopic";
		
		
//		new Thread(new MessageSender(query,url,user,password), "Name-Sender").start();
//		new Thread(new MessageReceiver(query,url,user,password), "Name-Receiver1").start();
//		new Thread(new MessageReceiver(query,url,user,password), "Name-Receiver2").start();
//		new Thread(new MessageReceiver(query,url,user,password), "Name-Receiver3").start();
//		new Thread(new MessageReceiver(query,url,user,password), "Name-Receiver4").start();
//		new Thread(new MessageReceiver(query,url,user,password), "Name-Receiver5").start();
		
		new Thread(new MessageSubscriber(topic,url,user,password), "Name-Subscriber1").start();
		new Thread(new MessageSubscriber(topic,url,user,password), "Name-Subscriber2").start();
		new Thread(new MessageSubscriber(topic,url,user,password), "Name-Subscriber3").start();
		new Thread(new MessageSubscriber(topic,url,user,password), "Name-Subscriber4").start();
		new Thread(new MessageSubscriber(topic,url,user,password), "Name-Subscriber5").start();
		Thread.sleep(5000);
		new Thread(new MessagePublisher(topic,url,user,password), "Name-Publisher").start();
		//new TopicPublisher().run(); 
	}
}