【www.gdgbn.com--开发手册】

ActiveMQ5.2

    所用的包都是ActiveMQ自带的。引用的包如下图:

package stujms.p2ptxt;

import org.springframework.context.ApplicationContext;
import org.springframework.context.support.ClassPathXmlApplicationContext;
import org.springframework.jms.core.JmsTemplate;
import org.springframework.jms.core.MessageCreator;

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

/**
* 消息发送者
*
* @author leizhimin 2009-8-13 17:01:48
*/

public class MySender {
        public static void main(String[] args) {
                ApplicationContext ctx = new ClassPathXmlApplicationContext("/applicationContext.xml");
                JmsTemplate template = (JmsTemplate) ctx.getBean("jmsTemplate");
                Destination destination = (Destination) ctx.getBean("destination");

                template.send(destination, new MessageCreator() {
                        public Message createMessage(Session session) throws JMSException {
                                return session.createTextMessage("发送消息:Hello ActiveMQ Text Message!");
                        }
                });
                System.out.println("成功发送了一条JMS消息");
        }
}

 

package stujms.p2ptxt;

import org.springframework.context.ApplicationContext;
import org.springframework.context.support.ClassPathXmlApplicationContext;
import org.springframework.jms.core.JmsTemplate;

import javax.jms.Destination;
import javax.jms.JMSException;
import javax.jms.TextMessage;

/**
* 消息接收者
*
* @author leizhimin 2009-8-13 17:02:04
*/

public class MyReceiver {
        public static void main(String[] args) throws JMSException {
                ApplicationContext ctx = new ClassPathXmlApplicationContext("/applicationContext.xml");
                JmsTemplate template = (JmsTemplate) ctx.getBean("jmsTemplate");
                Destination destination = (Destination) ctx.getBean("destination");
                while (true) {
                        TextMessage txtmsg = (TextMessage) template.receive(destination);
                        if (null != txtmsg)
                                System.out.println("收到消息内容为: " + txtmsg.getText());
                        else
                                break;
                }
        }
}

xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
             xmlns:context="http://www.springframework.org/schema/context"
             xsi:schemaLocation="http://www.springframework.org/schema/beans
        http://www.springframework.org/schema/beans/spring-beans-2.5.xsd
        http://www.springframework.org/schema/context
        http://www.springframework.org/schema/context/spring-context-2.5.xsd">

        
        <bean id="connectionFactory" class="org.apache.activemq.spring.ActiveMQConnectionFactory">
                <property name="brokerURL" value="tcp://localhost:61616"/>
        bean>

        
        <bean id="jmsTemplate" class="org.springframework.jms.core.JmsTemplate">
                <property name="connectionFactory" ref="connectionFactory"/>
        bean>

        
        <bean id="destination" class="org.apache.activemq.command.ActiveMQQueue">
                
                <constructor-arg index="0" value="HelloWorldQueue"/>
        bean>
beans>

    运行发送端三次:

成功发送了一条JMS消息

Process finished with exit code 0

    然后再运行接收端一次:

收到消息内容为: 发送消息:Hello ActiveMQ Text Message!
收到消息内容为: 发送消息:Hello ActiveMQ Text Message!
收到消息内容为: 发送消息:Hello ActiveMQ Text Message!

    继续测试发现,接收端接收一条消息后不退出程序,而是继续等待,一旦有消息发送过来,就获取到,然后输出!

    发一张图看看:

本文来源:http://www.gdgbn.com/shipin/21153/