EJB消息驱动bean Demo

package com.neil.send; import java.util.Properties; import java.util.concurrent.CountDownLatch; import java.util.concurrent.TimeUnit; import java.util.logging.Logger; import javax.jms.Connection; import javax.jms.ConnectionFactory; import javax.jms.Destination; import javax.jms.MessageProducer; import javax.jms.Session; import javax.jms.TextMessage; import javax.naming.Context; import javax.naming.InitialContext; public class TopicSender { private static final Logger log = Logger.getLogger(TopicSender.class.getName()); private static final String DEFAULT_MESSAGE = "the topic message!"; // xml文件272行 private static final String DEFAULT_CONNECTION_FACTORY = "jms/RemoteConnectionFactory"; // xml文件293行,初次找JBOSS的JNDI太不容易了 private static final String DEFAULT_DESTINATION = "jms/topic/test"; private static final String DEFAULT_MESSAGE_COUNT = "1"; private static final String DEFAULT_USERNAME = "neil"; private static final String DEFAULT_PASSWORD = "123456"; // private static final String INITIAL_CONTEXT_FACTORY = "org.jboss.naming.remote.client.InitialContextFactory"; // private static final String PROVIDER_URL = "remote://localhost:4447"; public static void main(String[] args) throws Exception { Context context=null; Connection connection=null; try { // 设置上下文的JNDI查找 // log.info("设置JNDI访问环境信息也就是设置应用服务器的上下文信息!"); // final Properties env = new Properties(); // env.put(Context.INITIAL_CONTEXT_FACTORY, INITIAL_CONTEXT_FACTORY);// 该KEY的值为初始化Context的工厂类,JNDI驱动的类名 // env.put(Context.PROVIDER_URL, PROVIDER_URL);// 该KEY的值为Context服务提供者的URL.命名服务提供者的URL // env.put(Context.SECURITY_PRINCIPAL, DEFAULT_USERNAME); // env.put(Context.SECURITY_CREDENTIALS, DEFAULT_PASSWORD);//应用用户的登录名,密码. // 获取到InitialContext对象. // context = new InitialContext(env); context = new InitialContext(); log.info("初始化上下文,'JNDI驱动类名','服务提供者URL','应用用户的账户','密码'完毕."); log.info("获取连接工厂!"); ConnectionFactory connectionFactory = (ConnectionFactory) context.lookup(DEFAULT_CONNECTION_FACTORY); log.info("获取目的地!"); Destination destination = (Destination) context.lookup(DEFAULT_DESTINATION); // 创建JMS连接、会话、生产者和消费者 connection = connectionFactory.createConnection(DEFAULT_USERNAME, DEFAULT_PASSWORD); Session session = connection.createSession(false, Session.AUTO_ACKNOWLEDGE); MessageProducer producer = session.createProducer(destination); connection.start(); int count = Integer.parseInt(DEFAULT_MESSAGE_COUNT); // 发送特定数目的消息 TextMessage message = null; for (int i = 0; i < count; i++) { message = session.createTextMessage(DEFAULT_MESSAGE); producer.send(message); log.info("message:"+message); log.info("message:"+DEFAULT_MESSAGE); } // 等待30秒退出 CountDownLatch latch = new CountDownLatch(1); latch.await(30, TimeUnit.SECONDS); } catch (Exception e) { log.severe(e.getMessage()); throw e; } finally { if (context != null) { context.close(); } // 关闭连接负责会话,生产商和消费者 if (connection != null) { connection.close(); } } } }