[size=medium]一 实验环境[/size]
[size=medium] 1.jdk1.6
2.spring 2.5
3.apache-activemq-5.10.0[/size]
[b]二 点对点消息模型的收发消息示例[/b]
[b]负责发送消息的ProductService具体代码[/b]
负责接收消息的ConsumerService具体代码
[b]在spring的配置文件中加入如下配置信息[/b]
[b]运行ConsumerService 中的main方法效果如下[/b]
[img]http://dl2.iteye.com/upload/attachment/0116/9693/ae87e63e-81a7-3571-b976-20b4f6ba7225.png[/img]
[img]http://dl2.iteye.com/upload/attachment/0116/9695/5909d5b6-051c-3379-b4d5-d8be93e9c354.png[/img]
[size=small][b]点对点的消息模型,除了上面的接收消息方法外Spring JMS提供了消息监听的模式代码和配置如下[/b][/size]
[size=small][b]在spring 的配置文件中配置监听容器以及侦听者[/b][/size]
[size=small][b]运行后的效果如下[/b][/size]
[img]http://dl2.iteye.com/upload/attachment/0116/9701/c22b540e-b2c6-3ac2-aff9-5cd67c491807.png[/img]
[size=small][b]二 主题消息模型的收发消息示例[/b][/size]
[b]负责发布主题(消息发布者)TopicProvider代码如下[/b]
[b]负责接收已订阅的消息(消息监听者)[/b]
[b]在spring 的配置中加入以下代码[/b]
[b]运行TopicProvider中的main方法,效果如下[/b]
[img]http://dl2.iteye.com/upload/attachment/0116/9711/f1985109-911d-3068-b36c-5a952978d382.png[/img]
[size=medium] 1.jdk1.6
2.spring 2.5
3.apache-activemq-5.10.0[/size]
[b]二 点对点消息模型的收发消息示例[/b]
[b]负责发送消息的ProductService具体代码[/b]
package com.testactivemq;
import javax.jms.JMSException;
import javax.jms.Message;
import javax.jms.Session;
import javax.jms.TextMessage;
import org.springframework.jms.core.JmsTemplate;
import org.springframework.jms.core.MessageCreator;
public class ProductService {
private JmsTemplate jmsTemplate;
/****
* 向默认队列发送信息,默认队列即是注入jmsTemplate中的消息队列
* @param msg
* @return
*/
public void sendMessage(final String msg) {
String destination = jmsTemplate.getDefaultDestination().toString();
System.out.println("向队列" +destination+ "发送了消息: " + msg);
jmsTemplate.send(new MessageCreator() {
public Message createMessage(Session session) throws JMSException {
TextMessage tx=session.createTextMessage();
tx.setText(msg);
return tx;
}
});
}
/***
* 向指定队列发送消息
* @param destination
* @param msg
*/
public void sendMessage(String destination,final String msg)
{
System.out.println("向队列" +destination+ "发送了消息:" + msg);
jmsTemplate.send(destination, new MessageCreator() {
public Message createMessage(Session session) throws JMSException {
TextMessage tx=session.createTextMessage();
tx.setText(msg);
return tx;
}
});
}
public JmsTemplate getJmsTemplate() {
return jmsTemplate;
}
public void setJmsTemplate(JmsTemplate jmsTemplate) {
this.jmsTemplate = jmsTemplate;
}
}
负责接收消息的ConsumerService具体代码
package com.testactivemq;
import javax.jms.JMSException;
import javax.jms.TextMessage;
import org.springframework.context.ApplicationContext;
import org.springframework.context.support.FileSystemXmlApplicationContext;
import org.springframework.jms.core.JmsTemplate;
public class ConsumerService {
private JmsTemplate jmsTemplate;
/****
* 接收默认的消息
*/
public void receive()
{
TextMessage tm = (TextMessage)jmsTemplate.receive();
String destinationName=jmsTemplate.getDefaultDestination().toString();
try {
System.out.println("从队列" + destinationName + "收到了消息: "+tm.getText());
} catch (JMSException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
/***
* 接收指定消息队列
* @param destination
*/
public void receive(String destination)
{
TextMessage tm = (TextMessage) jmsTemplate.receive(destination);
try {
System.out.println("从队列" + destination + "收到了消息:"+tm.getText());
} catch (JMSException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
public static void main(String[] args)
{
//读取spring配置文件的路径
ApplicationContext ac = new FileSystemXmlApplicationContext("F:\\workerspace\\MyTest\\WEB-INF\\classes\\applicationContext.xml");
ProductService ps= (ProductService) ac.getBean("productService");
ConsumerService cs1=(ConsumerService) ac.getBean("consumerService");
ps.sendMessage("哈哈");
cs1.receive();
//以下是从queue2队列发送和读取消息
ps.sendMessage("queue2", "萌萌达");
cs1.receive("queue2");
}
public JmsTemplate getJmsTemplate() {
return jmsTemplate;
}
public void setJmsTemplate(JmsTemplate jmsTemplate) {
this.jmsTemplate = jmsTemplate;
}
}
[b]在spring的配置文件中加入如下配置信息[/b]
<!-- 配置JMS连接工厂 -->
<bean id="connectionFactory" class="org.apache.activemq.ActiveMQConnectionFactory">
<property name="brokerURL" value="failover:(tcp://localhost:61616)" />
</bean>
<!-- 定义消息队列(Queue) -->
<bean id="queueDestination" class="org.apache.activemq.command.ActiveMQQueue">
<!-- 设置消息队列的名字 -->
<constructor-arg>
<value>queue1</value>
</constructor-arg>
</bean>
<!-- 配置JMS模板(Queue),Spring提供的JMS工具类,它发送、接收消息。 -->
<bean id="jmsTemplate" class="org.springframework.jms.core.JmsTemplate">
<property name="connectionFactory" ref="connectionFactory" />
<property name="defaultDestination" ref="queueDestination" />
<property name="receiveTimeout" value="10000" />
</bean>
<!-- 定义消息队列(Queue) -->
<bean id="queueDestination2" class="org.apache.activemq.command.ActiveMQQueue">
<!-- 设置消息队列的名字 -->
<constructor-arg>
<value>queue2</value>
</constructor-arg>
</bean>
<!--queue消息生产者 -->
<bean id="productService" class="com.testactivemq.ProductService">
<property name="jmsTemplate" ref="jmsTemplate"></property>
</bean>
<!--queue消息消费者 -->
<bean id="consumerService" class="com.testactivemq.ConsumerService">
<property name="jmsTemplate" ref="jmsTemplate"></property>
</bean>
[b]运行ConsumerService 中的main方法效果如下[/b]
[img]http://dl2.iteye.com/upload/attachment/0116/9693/ae87e63e-81a7-3571-b976-20b4f6ba7225.png[/img]
[img]http://dl2.iteye.com/upload/attachment/0116/9695/5909d5b6-051c-3379-b4d5-d8be93e9c354.png[/img]
[size=small][b]点对点的消息模型,除了上面的接收消息方法外Spring JMS提供了消息监听的模式代码和配置如下[/b][/size]
package com.testactivemq;
import javax.jms.JMSException;
import javax.jms.Message;
import javax.jms.MessageListener;
import javax.jms.TextMessage;
public class QueueMessageListener implements MessageListener {
//当收到消息时,自动调用该方法,运行后会一直停留在进程当中。
public void onMessage(Message message) {
TextMessage tm = (TextMessage) message;
try {
String destination=tm.getJMSDestination().toString();
System.out.println("收到["+destination+"]文本消息:" + tm.getText());
} catch (JMSException e) {
e.printStackTrace();
}
}
}
[size=small][b]在spring 的配置文件中配置监听容器以及侦听者[/b][/size]
<!-- 配置消息队列监听者(Queue)-->
<bean id="queueMessageListener" class="com.testactivemq.QueueMessageListener" />
<!-- 消息监听容器(Queue),配置连接工厂,监听的队列是queue2,监听器是前面定义的监听器 -->
<bean id="jmsContainer"
class="org.springframework.jms.listener.DefaultMessageListenerContainer">
<property name="connectionFactory" ref="connectionFactory" />
<property name="destination" ref="queueDestination2" />
<property name="messageListener" ref="queueMessageListener" />
</bean>
public static void main(String[] args)
{
ApplicationContext ac = new FileSystemXmlApplicationContext("F:\\workerspace\\MyTest\\WEB-INF\\classes\\applicationContext.xml");
ProductService ps= (ProductService) ac.getBean("productService");
ConsumerService cs1=(ConsumerService) ac.getBean("consumerService");
//以下是从queue2队列发送消息,读取消息在QueueMessageListener 中的onMessage方法自动执行
ps.sendMessage("queue2", "萌萌达");
}
[size=small][b]运行后的效果如下[/b][/size]
[img]http://dl2.iteye.com/upload/attachment/0116/9701/c22b540e-b2c6-3ac2-aff9-5cd67c491807.png[/img]
[size=small][b]二 主题消息模型的收发消息示例[/b][/size]
[b]负责发布主题(消息发布者)TopicProvider代码如下[/b]
package com.testactivemq;
import javax.jms.JMSException;
import javax.jms.Message;
import javax.jms.Session;
import org.springframework.context.ApplicationContext;
import org.springframework.context.support.FileSystemXmlApplicationContext;
import org.springframework.jms.core.JmsTemplate;
import org.springframework.jms.core.MessageCreator;
public class TopicProvider {
private JmsTemplate topicJmsTemplate;
/**
* 向指定的topic发布消息
*
* @param topic
* @param msg
*/
public void publish(final String topic, final String msg) {
topicJmsTemplate.send(topic, new MessageCreator() {
public Message createMessage(Session session) throws JMSException {
System.out.println("主题 是[" + topic + "],发布消息内容为: " + msg);
return session.createTextMessage(msg);
}
});
}
public static void main(String[] args)
{
ApplicationContext ac = new FileSystemXmlApplicationContext("F:\\workerspace\\MyTest\\WEB-INF\\classes\\applicationContext.xml");
TopicProvider tp= (TopicProvider) ac.getBean("topicProvider");
//test_topic为题的名称是主题的识别标志
tp.publish("test_topic", "么么达");
}
public void setTopicJmsTemplate(JmsTemplate topicJmsTemplate) {
this.topicJmsTemplate = topicJmsTemplate;
}
}
[b]负责接收已订阅的消息(消息监听者)[/b]
package com.testactivemq;
import javax.jms.JMSException;
import javax.jms.Message;
import javax.jms.MessageListener;
import javax.jms.TextMessage;
/**
*和队列监听的代码一样。
*/
public class TopicMessageListener implements MessageListener {
public void onMessage(Message message) {
TextMessage tm = (TextMessage) message;
try {
String destination=tm.getJMSDestination().toString();
System.out.println("收到["+destination+"],文本消息:" + tm.getText());
} catch (JMSException e) {
e.printStackTrace();
}
}
}
[b]在spring 的配置中加入以下代码[/b]
<!-- 定义消息主题(Topic) -->
<bean id="topicDestination" class="org.apache.activemq.command.ActiveMQTopic">
<constructor-arg>
<value>test_topic</value>
</constructor-arg>
</bean>
<!-- 配置JMS模板(Topic),pubSubDomain="true"-->
<bean id="topicJmsTemplate" class="org.springframework.jms.core.JmsTemplate">
<property name="connectionFactory" ref="connectionFactory" />
<property name="defaultDestination" ref="topicDestination" />
<property name="pubSubDomain" value="true" />
<property name="receiveTimeout" value="10000" />
</bean>
<!--topic消息发布者 -->
<bean id="topicProvider" class="com.testactivemq.TopicProvider">
<property name="topicJmsTemplate" ref="topicJmsTemplate"></property>
</bean>
<!-- 消息主题监听者 和 主题监听容器 ,主题监听容器可以配置多个,即多个订阅者 -->
<!-- 消息主题监听者(Topic) -->
<bean id="topicMessageListener" class="com.testactivemq.TopicMessageListener" />
<!-- 主题监听容器 (Topic),订阅者1 -->
<bean id="topicJmsContainer1"
class="org.springframework.jms.listener.DefaultMessageListenerContainer">
<property name="connectionFactory" ref="connectionFactory" />
<property name="destination" ref="topicDestination" />
<property name="messageListener" ref="topicMessageListener" />
</bean>
<!-- 主题监听容器 (Topic),订阅者2 -->
<bean id="topicJmsContainer2"
class="org.springframework.jms.listener.DefaultMessageListenerContainer">
<property name="connectionFactory" ref="connectionFactory" />
<property name="destination" ref="topicDestination" />
<property name="messageListener" ref="topicMessageListener" />
</bean>
[b]运行TopicProvider中的main方法,效果如下[/b]
[img]http://dl2.iteye.com/upload/attachment/0116/9711/f1985109-911d-3068-b36c-5a952978d382.png[/img]
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