Spring与Jms结合的实例-优快云博客

本文介绍如何使用Spring框架整合ActiveMQ消息中间件，通过两个示例演示了点对点(P2P)消息传递的基本配置与实现过程。

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另见：

ActiveMQ5.0实战一: 安装配置ActiveMQ5.0

ActiveMQ5.0实战二: 基本配置

http://www.iteye.com/topic/234101

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环境：apache-activemq-5.4.2 ,spring2.5,jdk1.6

首先启动消息代理：在apache-activemq-5.4.2\bin下
运行
activemq.bat。

example1：

package jms.activemq.myexample.spring;

import java.util.Date;

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

import org.springframework.jms.core.MessageCreator;

public class MyMessageCreator implements MessageCreator {

/**
* 消息序号
*/
private int msgNo;

public MyMessageCreator(int no) {
this.msgNo = no;
}

@Override
public Message createMessage(Session session) throws JMSException {
TextMessage textMsg = session.createTextMessage();
textMsg.setText(new Date() + "第" + this.msgNo + "条消息发出");

return textMsg;
}

}

package jms.activemq.myexample.spring;

import javax.jms.*;

/**
* Text消息监听
*
* @author xiaochuanyu
*
*/
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());
  }
}
}

package jms.activemq.myexample.spring;

import org.springframework.context.ApplicationContext;
import org.springframework.context.support.ClassPathXmlApplicationContext;

public class SpringJmsTestMain {

public static void main(String[] args) throws InterruptedException {

ApplicationContext context = new ClassPathXmlApplicationContext(
new String[] { "SpringJms/SpringJms.xml" });

  SpringPublisher publisher = (SpringPublisher) context
    .getBean("springPublisher");
  publisher.start();
}
}

package jms.activemq.myexample.spring;

import javax.jms.Destination;

import org.springframework.jms.core.JmsTemplate;

public class SpringPublisher {
/**
* Jms模板
*/
private JmsTemplate template;

/**
* Topic
*/
private Destination topic;

public JmsTemplate getTemplate() {
return template;
}

public void setTemplate(JmsTemplate template) {
this.template = template;
}

public Destination getTopic() {
return topic;
}

public void setTopic(Destination topic) {
this.topic = topic;
}

/**
* Start
*
* @throws InterruptedException
*/
public void start() throws InterruptedException {

int messageCount = 10;

  while ((--messageCount) > 0) {
   sendMessage(messageCount);
   Thread.sleep(1000);
  }
}

/**
* 消息发送
*/
protected void sendMessage(int msgNO) {

this.template.send(this.topic, new MyMessageCreator(msgNO));
}
}

<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-2.0.xsd">

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

<bean id="myTopic" class="org.apache.activemq.command.ActiveMQTopic"
        autowire="constructor">
        <constructor-arg value="STOCKS.JAVA" />
    </bean>

<bean id="myTextListener" class="jms.activemq.myexample.spring.TextListener">
    </bean>

<bean id="javaConsumer"
        class="org.springframework.jms.listener.DefaultMessageListenerContainer">
        <property name="connectionFactory" ref="jmsFactory" />
        <property name="destination" ref="myTopic" />
        <property name="messageListener" ref="myTextListener" />
    </bean>

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

<bean id="springPublisher" class="jms.activemq.myexample.spring.SpringPublisher">
        <property name="template">
            <ref local="jmsTemplate" />
        </property>
        <property name="topic">
            <ref local="myTopic" />
        </property>
    </bean>
</beans>

===================================================

example2：

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！