消息中间件JMS(三)

1. Spring整合JMS

1.1消息生产者

创建工程springJMS_producer,并在pom文件中引入SpringJms 、activeMQ以及单元测试相关依赖

<properties>
      <spring.version>4.2.4.RELEASE</spring.version>
  </properties>

  <dependencies>
    <dependency>
        <groupId>org.springframework</groupId>
        <artifactId>spring-jms</artifactId>
        <version>${spring.version}</version>
    </dependency>
      <dependency>
        <groupId>org.springframework</groupId>
        <artifactId>spring-test</artifactId>
        <version>${spring.version}</version>
    </dependency>
    <dependency>
        <groupId>junit</groupId>
        <artifactId>junit</artifactId>
        <version>4.9</version>
    </dependency>
    <dependency>
        <groupId>org.apache.activemq</groupId>
        <artifactId>activemq-client</artifactId>
        <version>5.13.4</version>
     </dependency>
  </dependencies>

在src/main/resources下创建spring配置文件applicationContext-jms-producer.xml

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

    <context:component-scan base-package="com.java.demo"></context:component-scan>     

    <!-- 真正可以产生Connection的ConnectionFactory，由对应的 JMS服务厂商提供 -->
    <bean id="targetConnectionFactory" class="org.apache.activemq.ActiveMQConnectionFactory">
        <property name="brokerURL" value="tcp://192.168.25.129:61616"/>
    </bean>

    <!-- Spring用于管理真正的ConnectionFactory的ConnectionFactory -->
    <bean id="connectionFactory" class="org.springframework.jms.connection.SingleConnectionFactory">
    <!-- 目标ConnectionFactory对应真实的可以产生JMS Connection的ConnectionFactory -->
        <property name="targetConnectionFactory" ref="targetConnectionFactory"/>
    </bean>  

    <!-- Spring提供的JMS工具类，它可以进行消息发送、接收等 -->
    <bean id="jmsTemplate" class="org.springframework.jms.core.JmsTemplate">
        <!-- 这个connectionFactory对应的是我们定义的Spring提供的那个ConnectionFactory对象 -->
        <property name="connectionFactory" ref="connectionFactory"/>
    </bean>
    <!--这个是队列目的地，点对点的  文本信息-->
    <bean id="queueTextDestination" class="org.apache.activemq.command.ActiveMQQueue">
        <!-- 队列名称 -->
        <constructor-arg value="queue_text"/>
    </bean>    

    <!--这个是订阅模式  文本信息-->
    <bean id="topicTextDestination" class="org.apache.activemq.command.ActiveMQTopic">
        <constructor-arg value="topic_text"/>
    </bean>  

</beans>

在com.java.demo包下创建消息生产者类

@Component
public class QueueProducer {

    @Autowired
    private JmsTemplate jmsTemplate;
    @Autowired
    private Destination queueTextDestination;

    /**
     * 发送文本信息
     * @param text
     */
    public void sendTextMessage(final String text) {
        jmsTemplate.send(queueTextDestination, new MessageCreator() {

            public Message createMessage(Session session) throws JMSException {
                //在匿名内部类使用外部类的参数，需要用final来修饰
                return session.createTextMessage(text);
            }
        });
    }
}

@Component
public class TopicProducer {

    @Autowired
    private JmsTemplate jmsTemplate;
    @Autowired
    private Destination topicTextDestination;

    public void sendTextMessage(final String text) {
        jmsTemplate.send(topicTextDestination, new MessageCreator() {

            public Message createMessage(Session session) throws JMSException {
                return session.createTextMessage(text);
            }
        });
    }

}

单元测试

在src/test/java创建测试类

@RunWith(SpringJUnit4ClassRunner.class)
@ContextConfiguration(locations = "classpath:applicationContext-jms-producer.xml")
public class TestQueue {

    @Autowired
    private QueueProducer queueProducer;
    @Autowired
    private TopicProducer topicProducer;

    @Test
    public void sendText() {
        queueProducer.sendTextMessage("Spring JMS point to point");
    }

    @Test
    public void sendText2() {
        topicProducer.sendTextMessage("Spring JMS publish/topic");
    }

}

1.2 消息消费者

创建工程springjms_consumer，在POM文件中引入依赖 （同上一个工程）

创建配置文件 applicationContext-jms-consumer-queue.xml(点对点)

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

    <!-- 真正可以产生Connection的ConnectionFactory，由对应的 JMS服务厂商提供-->
    <bean id="targetConnectionFactory" class="org.apache.activemq.ActiveMQConnectionFactory">
        <property name="brokerURL" value="tcp://192.168.25.129:61616"/>
    </bean>

    <!-- Spring用于管理真正的ConnectionFactory的ConnectionFactory -->
    <bean id="connectionFactory" class="org.springframework.jms.connection.SingleConnectionFactory">
    <!-- 目标ConnectionFactory对应真实的可以产生JMS Connection的ConnectionFactory -->
        <property name="targetConnectionFactory" ref="targetConnectionFactory"/>
    </bean>  

    <!--这个是队列目的地，点对点的  文本信息-->
    <bean id="queueTextDestination" class="org.apache.activemq.command.ActiveMQQueue">
        <constructor-arg value="queue_text"/>
    </bean>    

    <!-- 我的监听类 -->
    <bean id="myMessageListener" class="com.java.demo.MyMessageListener"></bean>
    <!-- 消息监听容器 -->
    <bean class="org.springframework.jms.listener.DefaultMessageListenerContainer">
        <property name="connectionFactory" ref="connectionFactory" />
        <property name="destination" ref="queueTextDestination" />
        <property name="messageListener" ref="myMessageListener" />
    </bean>

</beans>

创建配置文件 applicationContext-jms-consumer-topic.xml(发布/订阅),与上面的配置没什么区别，就是引入的队列不一样

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

    <!-- 真正可以产生Connection的ConnectionFactory，由对应的 JMS服务厂商提供-->
    <bean id="targetConnectionFactory" class="org.apache.activemq.ActiveMQConnectionFactory">
        <property name="brokerURL" value="tcp://192.168.25.129:61616"/>
    </bean>

    <!-- Spring用于管理真正的ConnectionFactory的ConnectionFactory -->
    <bean id="connectionFactory" class="org.springframework.jms.connection.SingleConnectionFactory">
    <!-- 目标ConnectionFactory对应真实的可以产生JMS Connection的ConnectionFactory -->
        <property name="targetConnectionFactory" ref="targetConnectionFactory"/>
    </bean>  

    <!--这个是队列目的地，点对点的  文本信息-->
    <bean id="topicTextDestination" class="org.apache.activemq.command.ActiveMQTopic">
        <constructor-arg value="topic_text"/>
    </bean>    

    <!-- 我的监听类 -->
    <bean id="myMessageListener" class="com.java.demo.MyMessageListener"></bean>
    <!-- 消息监听容器 -->
    <bean class="org.springframework.jms.listener.DefaultMessageListenerContainer">
        <property name="connectionFactory" ref="connectionFactory" />
        <property name="destination" ref="topicTextDestination" />
        <property name="messageListener" ref="myMessageListener" />
    </bean>

</beans>

编写监听类

public class MyMessageListener implements MessageListener {

    public void onMessage(Message message) {
        TextMessage textMessage = (TextMessage) message;
        try {
            System.out.println("接收消息：" + textMessage.getText());
        } catch (JMSException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        }
    }

}

单元测试

@RunWith(SpringJUnit4ClassRunner.class)
@ContextConfiguration(locations = "classpath:applicationContext-jms-consumer-queue.xml")
public class TestQueue {

    @Test
    public void testQueue() {
        try {
            System.in.read();
        } catch (IOException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        }
    }
}

@RunWith(SpringJUnit4ClassRunner.class)
@ContextConfiguration(locations = "classpath:applicationContext-jms-consumer-topic.xml")
public class TestTopic {

    @Test
    public void testQueue() {
        try {
            System.in.read();
        } catch (IOException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        }
    }
}

结果：

(1) 点对点

(2) 发布订阅