ActiveMQ：JMS开源框架入门介绍

import java.net.URI;  
import java.net.URISyntaxException;  
 
import javax.jms.Connection;  
import javax.jms.ConnectionFactory;  
import javax.jms.Destination;  
import javax.jms.JMSException;  
import javax.jms.MessageProducer;  
import javax.jms.Session;  
import javax.jms.TextMessage;  
import javax.naming.Context;  
import javax.naming.InitialContext;  
import javax.naming.NamingException;  
 
import org.apache.activemq.broker.BrokerFactory;  
import org.apache.activemq.broker.BrokerService;  
import org.apache.commons.logging.Log;  
import org.apache.commons.logging.LogFactory;  
 
/**  
 * refer to http://activemq.apache.org/jndi-support.html  
 * http://activemq.apache.org/how-do-i-embed-a-broker-inside-a-connection.html  
 * @author gloomyfish  
 *  
 */ 
public class PureJMSProducer {  
      
    private static final Log LOG = LogFactory.getLog(PureJMSProducer.class);  
 
    private PureJMSProducer() {  
    }  
 
    /**  
     * @param args the destination name to send to and optionally, the number of  
     *                messages to send  
     */ 
    public static void main(String[] args) {  
        Context jndiContext = null;  
        ConnectionFactory connectionFactory = null;  
        Connection connection = null;  
        Session session = null;  
        Destination destination = null;  
        MessageProducer producer = null;  
        BrokerService broker = null;  
        final int numMsgs = 10;  
 
        /*  
         * Create a JNDI API InitialContext object  
         */ 
        try {  
            jndiContext = new InitialContext();  
        } catch (NamingException e) {  
            LOG.info("Could not create JNDI API context: " + e.toString());  
            System.exit(1);  
        }  
          
        // create external TCP broker  
        try {  
            broker = BrokerFactory.createBroker(new URI("broker:tcp://localhost:61616"));  
            broker.start();   
        } catch (URISyntaxException e) {  
            LOG.info("Could not create broker: " + e.toString());  
        } catch (Exception e) {  
            LOG.info("Could not create broker: " + e.toString());  
        }  
//        try {  
//            
//        }  
 
        /*  
         * Look up connection factory and destination.  
         */ 
        try {  
            connectionFactory = (ConnectionFactory)jndiContext.lookup("ConnectionFactory");  
            destination = (Destination)jndiContext.lookup("MyTopic");  
        } catch (NamingException e) {  
            LOG.info("JNDI API lookup failed: " + e);  
            System.exit(1);  
        }  
          
        /*  
         * Create connection. Create session from connection; false means  
         * session is not transacted. Create sender and text message. Send  
         * messages, varying text slightly. Send end-of-messages message.  
         * Finally, close connection.  
         */ 
        try {  
            connection = connectionFactory.createConnection();  
            session = connection.createSession(false, Session.AUTO_ACKNOWLEDGE);  
            producer = session.createProducer(destination);  
            TextMessage message = session.createTextMessage();  
            Thread.sleep(3000);  
            for (int i = 0; i < numMsgs; i++) {  
                message.setText("This is message " + (i + 1));  
                LOG.info("Sending message: " + message.getText());  
                producer.send(message);  
                Thread.sleep(3000);  
            }  
 
            /*  
             * Send a non-text control message indicating end of messages.  
             */ 
            producer.send(session.createMessage());  
        } catch (JMSException e) {  
            LOG.info("Exception occurred: " + e);  
        } catch (InterruptedException e) {  
            LOG.info("Exception occurred: " + e);  
        } finally {  
            if (connection != null) {  
                try {  
                    connection.close();  
                } catch (JMSException e) {  
                }  
            }  
        }  
          
        // stop the TCP broker  
        try {  
            broker.stop();  
        } catch (Exception e) {  
            LOG.info("stop the broker failed: " + e);  
        }  
    }  
} 

import java.io.IOException;  
 
import javax.jms.Connection;  
import javax.jms.JMSException;  
import javax.jms.Message;  
import javax.jms.MessageConsumer;  
import javax.jms.MessageListener;  
import javax.jms.Session;  
import javax.jms.TextMessage;  
import javax.jms.Topic;  
import javax.naming.InitialContext;  
 
import org.apache.activemq.ActiveMQConnectionFactory;  
 
 
public class ActiveMQClient {  
      
    public static void main(String[] args) throws IOException {  
          
        // -- http://dlc.sun.com/pdf//816-5904-10/816-5904-10.pdf  
        try {  
        ActiveMQConnectionFactory factory = new ActiveMQConnectionFactory("tcp://localhost:61616");  
        // ActiveMQConnectionFactory factory = new ActiveMQConnectionFactory("vm://locahost");  
        Connection connection = factory.createConnection();  
        connection.start();  
          
        // create message topic  
        //Topic topic= new ActiveMQTopic("MyTopic");  
        InitialContext jndiContext=new InitialContext();  
        Topic topic=(Topic)jndiContext.lookup("MyTopic");   
        Session session = connection.createSession(false, Session.AUTO_ACKNOWLEDGE);  
          
        // register message consumer  
        MessageConsumer comsumer1 = session.createConsumer(topic);  
        comsumer1.setMessageListener(new MessageListener(){  
            public void onMessage(Message m) {  
                try {  
                    System.out.println("Consumer get " + ((TextMessage)m).getText());  
                } catch (JMSException e) {  
                    e.printStackTrace();  
                }   
            }  
        });  
        Thread.sleep(30000);  
        session.close();  
        connection.stop();  
          
        } catch(Exception e) {  
            e.printStackTrace();  
        }  
    }  
}