注:
activeMQ默认配置下启动会启动8161和61616两个端口,其中8161是mq自带的管理后台的端口,61616是mq服务默认端口 。
8161是后台管理系统,61616是给java用的tcp端口。
开始实现代码
1:使用activeMQ来完成jms的发送,必须要下载activeMQ,然后再本机安装,并且启动activeMQ的服务才行。在官网下载完成之后,运行bin目录下面的activemq.bat,将activeMQ成功启动。
启动成功之后可以运行:http://localhost:8161/admin/index.jsp 查看一下。
2:发送端,sender
import javax.jms.Connection; import javax.jms.ConnectionFactory; import javax.jms.DeliveryMode; import javax.jms.Destination; import javax.jms.MessageProducer; import javax.jms.Session; import javax.jms.TextMessage; import org.apache.activemq.ActiveMQConnection; import org.apache.activemq.ActiveMQConnectionFactory; public class Sender { private static final int SEND_NUMBER = 5; public static void main(String[] args) { // ConnectionFactory :连接工厂,JMS 用它创建连接 ConnectionFactory connectionFactory; // Connection :JMS 客户端到JMS Provider 的连接 Connection connection = null; // Session: 一个发送或接收消息的线程 Session session; // Destination :消息的目的地;消息发送给谁. Destination destination; // MessageProducer:消息发送者 MessageProducer producer; // TextMessage message; // 构造ConnectionFactory实例对象,此处采用ActiveMq的实现jar connectionFactory = new ActiveMQConnectionFactory( ActiveMQConnection.DEFAULT_USER, ActiveMQConnection.DEFAULT_PASSWORD, "tcp://localhost:61616"); try { // 构造从工厂得到连接对象 connection = connectionFactory.createConnection(); // 启动 connection.start(); // 获取操作连接 session = connection.createSession(Boolean.TRUE, Session.AUTO_ACKNOWLEDGE); // 获取session注意参数值xingbo.xu-queue是一个服务器的queue,须在在ActiveMq的console配置 destination = session.createQueue("test-queue"); // 得到消息生成者【发送者】 producer = session.createProducer(destination); // 设置不持久化,可以更改 producer.setDeliveryMode(DeliveryMode.NON_PERSISTENT); // 构造消息 sendMessage(session, producer); session.commit(); } catch (Exception e) { e.printStackTrace(); } finally { try { if (null != connection) connection.close(); } catch (Throwable ignore) { } } } public static void sendMessage(Session session, MessageProducer producer) throws Exception { for (int i = 1; i <=SEND_NUMBER; i++) { TextMessage message = session .createTextMessage("ActiveMq 发送的消息" + i); // 发送消息到目的地方 System.out.println("发送消息:" + i); producer.send(message); } } }
3:接收端,receive
import javax.jms.Connection;
import javax.jms.ConnectionFactory;
import javax.jms.Destination;
import javax.jms.JMSException;
import javax.jms.Message;
import javax.jms.MessageConsumer;
import javax.jms.MessageListener;
import javax.jms.Session;
import javax.jms.TextMessage;
import org.apache.activemq.ActiveMQConnection;
import org.apache.activemq.ActiveMQConnectionFactory;
public class Receiver {
public static void main(String[] args) {
// ConnectionFactory :连接工厂,JMS 用它创建连接
ConnectionFactory connectionFactory;
// Connection :JMS 客户端到JMS Provider 的连接
Connection connection = null;
// Session: 一个发送或接收消息的线程
Session session;
// Destination :消息的目的地;消息发送给谁.
Destination destination;
// 消费者,消息接收者
MessageConsumer consumer;
connectionFactory = new ActiveMQConnectionFactory(
ActiveMQConnection.DEFAULT_USER,
ActiveMQConnection.DEFAULT_PASSWORD, "tcp://localhost:61616");
try {
// 构造从工厂得到连接对象
connection = connectionFactory.createConnection();
// 启动
connection.start();
// 获取操作连接
session = connection.createSession(Boolean.FALSE,
Session.AUTO_ACKNOWLEDGE);
//test-queue跟sender的保持一致,一个创建一个来接收
destination = session.createQueue("test-queue");
consumer = session.createConsumer(destination);
consumer.setMessageListener(new MessageListener() {
public void onMessage(Message arg0) {
System.out.println("==================");
try {
System.out.println("RECEIVE1第一个获得者:"
+ ((TextMessage) arg0).getText());
} catch (JMSException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
});
MessageConsumer consumer1 = session.createConsumer(destination);
consumer1.setMessageListener(new MessageListener() {
public void onMessage(Message arg0) {
System.out.println("+++++++++++++++++++");
try {
System.out.println("RECEIVE1第二个获得者:"
+ ((TextMessage) arg0).getText());
} catch (JMSException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
});
} catch (Exception e) {
e.printStackTrace();
}
//在eclipse里运行的时候,这里不要关闭,这样就可以一直等待服务器发送了,不然就直接结束了。
// } finally {
// try {
// if (null != connection)
// connection.close();
// } catch (Throwable ignore) {
// }
// }
}
}
4:发送端,sender 上面的是用Queue的方式来创建,下面再用topic的方式实现同样的功能。
import javax.jms.Connection; import javax.jms.JMSException; import javax.jms.Message; import javax.jms.MessageConsumer; import javax.jms.MessageListener; import javax.jms.MessageProducer; import javax.jms.Session; import javax.jms.TextMessage; import javax.jms.Topic; import org.apache.activemq.ActiveMQConnectionFactory; import org.apache.activemq.command.ActiveMQTopic; public class TopicTest { public static void main(String[] args) throws Exception { ActiveMQConnectionFactory factory = new ActiveMQConnectionFactory( "tcp://localhost:61616"); Connection connection = factory.createConnection(); connection.start(); // 创建一个Topic Topic topic = new ActiveMQTopic("testTopic"); Session session = connection.createSession(false, Session.AUTO_ACKNOWLEDGE); //if the first argument is Boolean.TRUE,can't receive jms // 注册消费者1 MessageConsumer comsumer1 = session.createConsumer(topic); comsumer1.setMessageListener(new MessageListener() { public void onMessage(Message m) { try { System.out.println("Consumer1 get " + ((TextMessage) m).getText()); } catch (JMSException e) { e.printStackTrace(); } } }); // 注册消费者2 MessageConsumer comsumer2 = session.createConsumer(topic); comsumer2.setMessageListener(new MessageListener() { public void onMessage(Message m) { try { System.out.println("Consumer2 get " + ((TextMessage) m).getText()); } catch (JMSException e) { e.printStackTrace(); } } }); // 创建一个生产者,然后发送多个消息。 MessageProducer producer = session.createProducer(topic); for (int i = 0; i < 10; i++) { System.out.println("producer begin produce======="); producer.send(session.createTextMessage("Message:" + i)); } } }