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  • Spring JMS 整合 ActiveMQ

    1.使用maven管理依赖包

    <dependencies>
        <dependency>
            <groupId>junit</groupId>
            <artifactId>junit</artifactId>
            <version>4.12</version>
            <scope>test</scope>
        </dependency>
        <dependency>
            <groupId>org.apache.activemq</groupId>
            <artifactId>activemq-all</artifactId>
            <version>5.11.0</version>
        </dependency>
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-jms</artifactId>
            <version>4.1.4.RELEASE</version>
        </dependency>
        <dependency>  
            <groupId>org.springframework</groupId>  
            <artifactId>spring-test</artifactId>  
            <version>4.1.4.RELEASE</version>  
        </dependency> 
    </dependencies>

    2.队列消息的收发

    2.1Spring配置文件

    <?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.xsd">
     
        <!-- 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>
         
        <!--queue消息生产者 -->
        <bean id="producerService" class="guo.examples.mq02.queue.ProducerServiceImpl">
            <property name="jmsTemplate" ref="jmsTemplate"></property>
        </bean>
     
        <!--queue消息消费者 -->
        <bean id="consumerService" class="guo.examples.mq02.queue.ConsumerServiceImpl">
            <property name="jmsTemplate" ref="jmsTemplate"></property>
        </bean>
    
    </beans>

    2.2消息生产者代码

    package guo.examples.mq02.queue;
     
    import javax.jms.Destination;
    import javax.jms.JMSException;
    import javax.jms.Message;
    import javax.jms.Session;
     
    import org.springframework.jms.core.JmsTemplate;
    import org.springframework.jms.core.MessageCreator;
     
    public class ProducerServiceImpl implements ProducerService {
     
      private JmsTemplate jmsTemplate;
       
      /**
       * 向指定队列发送消息
       */
      public void sendMessage(Destination destination, final String msg) {
        System.out.println("向队列" + destination.toString() + "发送了消息------------" + msg);
        jmsTemplate.send(destination, new MessageCreator() {
          public Message createMessage(Session session) throws JMSException {
            return session.createTextMessage(msg);
          }
        });
      }
     
    /**
     * 向默认队列发送消息
     */
      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 {
            return session.createTextMessage(msg);
          }
        });
     
      }
     
      public void setJmsTemplate(JmsTemplate jmsTemplate) {
        this.jmsTemplate = jmsTemplate;
      }
     
    }

    2.3消息消费者代码

    package guo.examples.mq02.queue;
     
    import javax.jms.Destination;
    import javax.jms.JMSException;
    import javax.jms.TextMessage;
     
    import org.springframework.jms.core.JmsTemplate;
     
    public class ConsumerServiceImpl implements ConsumerService {
     
        private JmsTemplate jmsTemplate;
     
        /**
         * 接受消息
         */
        public void receive(Destination destination) {
            TextMessage tm = (TextMessage) jmsTemplate.receive(destination);
            try {
                System.out.println("从队列" + destination.toString() + "收到了消息:	"
                        + tm.getText());
            } catch (JMSException e) {
                e.printStackTrace();
            }
        }
     
        public void setJmsTemplate(JmsTemplate jmsTemplate) {
            this.jmsTemplate = jmsTemplate;
        }
     
    }

    2.4队列消息监听

    <!-- 定义消息队列(Queue),我们监听一个新的队列,queue2 -->
        <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>
         
        <!-- 配置消息队列监听者(Queue),代码下面给出,只有一个onMessage方法 -->
        <bean id="queueMessageListener" class="guo.examples.mq02.queue.QueueMessageListener" />
         
        <!-- 消息监听容器(Queue),配置连接工厂,监听的队列是queue2,监听器是上面定义的监听器 -->
        <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>
    package guo.examples.mq02.queue;
     
    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。
        public void onMessage(Message message) {
            TextMessage tm = (TextMessage) message;
            try {
                System.out.println("ConsumerMessageListener收到了文本消息:	"
                        + tm.getText());
            } catch (JMSException e) {
                e.printStackTrace();
            }
        }
     
    }

    3.主题消息收发

    在使用Spring JMS的时候,主题(Topic)和队列消息的主要差异体现在JmsTemplate中"pubSubDomain"是否设置为True。如果为True,则是Topic;如果是false或者默认,则是queue。

    <property name="pubSubDomain" value="true" />

    3.1Spring配置

    <!-- 定义消息主题(Topic) -->
        <bean id="topicDestination" class="org.apache.activemq.command.ActiveMQTopic">
            <constructor-arg>
                <value>guo_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="guo.examples.mq02.topic.TopicProvider">
            <property name="topicJmsTemplate" ref="topicJmsTemplate"></property>
        </bean>
        <!-- 消息主题监听者 和 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="guo.examples.mq02.topic.TopicMessageListener" />
        <!-- 主题监听容器 (Topic) -->
        <bean id="topicJmsContainer"
            class="org.springframework.jms.listener.DefaultMessageListenerContainer">
            <property name="connectionFactory" ref="connectionFactory" />
            <property name="destination" ref="topicDestination" />
            <property name="messageListener" ref="topicMessageListener" />
        </bean>

    3.2消息发布者

    package guo.examples.mq02.topic;
     
    import javax.jms.Destination;
    import javax.jms.JMSException;
    import javax.jms.Message;
    import javax.jms.Session;
     
    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 Destination topic, final String msg) {
     
            topicJmsTemplate.send(topic, new MessageCreator() {
                public Message createMessage(Session session) throws JMSException {
                    System.out.println("topic name 是" + topic.toString()
                            + ",发布消息内容为:	" + msg);
                    return session.createTextMessage(msg);
                }
            });
        }
     
        public void setTopicJmsTemplate(JmsTemplate topicJmsTemplate) {
            this.topicJmsTemplate = topicJmsTemplate;
        }
     
    }

    3.3消息订阅者(监听)

    package guo.examples.mq02.topic;
     
    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 {
                System.out.println("TopicMessageListener 	" + tm.getText());
            } catch (JMSException e) {
                e.printStackTrace();
            }
        }
     
    }

    4.测试

    4.1 测试代码

    package guo.examples.mq02;
     
    import javax.jms.Destination;
     
    import guo.examples.mq02.queue.ConsumerService;
    import guo.examples.mq02.queue.ProducerService;
    import guo.examples.mq02.topic.TopicProvider;
     
    import org.junit.Test;
    import org.junit.runner.RunWith;
    import org.springframework.beans.factory.annotation.Autowired;
    import org.springframework.beans.factory.annotation.Qualifier;
    import org.springframework.test.context.ContextConfiguration;
    import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;
     
    /**
     * 测试Spring JMS
     * 
     * 1.测试生产者发送消息
     * 
     * 2. 测试消费者接受消息
     * 
     * 3. 测试消息监听
     * 
     * 4.测试主题监听
     *
     */
    @RunWith(SpringJUnit4ClassRunner.class)
    // ApplicationContext context = new
    // ClassPathXmlApplicationContext("applicationContext.xml");
    @ContextConfiguration("/applicationContext.xml")
    public class SpringJmsTest {
     
        /**
         * 队列名queue1
         */
        @Autowired
        private Destination queueDestination;
     
        /**
         * 队列名queue2
         */
        @Autowired
        private Destination queueDestination2;
     
        /**
         * 主题 guo_topic
         */
        @Autowired
        @Qualifier("topicDestination")
        private Destination topic;
     
        /**
         * 主题消息发布者
         */
        @Autowired
        private TopicProvider topicProvider;
     
        /**
         * 队列消息生产者
         */
        @Autowired
        @Qualifier("producerService")
        private ProducerService producer;
     
        /**
         * 队列消息生产者
         */
        @Autowired
        @Qualifier("consumerService")
        private ConsumerService consumer;
     
        /**
         * 测试生产者向queue1发送消息
         */
        @Test
        public void testProduce() {
            String msg = "Hello world!";
            producer.sendMessage(msg);
        }
     
        /**
         * 测试消费者从queue1接受消息
         */
        @Test
        public void testConsume() {
            consumer.receive(queueDestination);
        }
     
        /**
         * 测试消息监听
         * 
         * 1.生产者向队列queue2发送消息
         * 
         * 2.ConsumerMessageListener监听队列,并消费消息
         */
        @Test
        public void testSend() {
            producer.sendMessage(queueDestination2, "Hello China~~~~~~~~~~~~~~~");
        }
     
        /**
         * 测试主题监听
         * 
         * 1.生产者向主题发布消息
         * 
         * 2.ConsumerMessageListener监听主题,并消费消息
         */
        @Test
        public void testTopic() throws Exception {
            topicProvider.publish(topic, "Hello T-To-Top-Topi-Topic!");
        }
     
    }

    4.2 测试结果

    topic name 是topic://guo_topic,发布消息内容为:    Hello T-To-Top-Topi-Topic!
    TopicMessageListener   Hello T-To-Top-Topi-Topic!
    向队列queue://queue2发送了消息------------Hello China~~~~~~~~~~~~~~~
    ConsumerMessageListener收到了文本消息: Hello China~~~~~~~~~~~~~~~
    向队列queue://queue1发送了消息------------Hello world!
    从队列queue://queue1收到了消息: Hello world!

    5.代码地址

    http://pan.baidu.com/s/1gdvPpWf

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  • 原文地址:https://www.cnblogs.com/jiwuyf/p/5433911.html
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