JBoss 5.1 中一个简单的 JMS 示例

01	package com.javacodegeeks.snippets.enterprise;

02

03	import java.util.Hashtable;

04

05	import javax.jms.Connection;

06	import javax.jms.ConnectionFactory;

07	import javax.jms.Message;

08	import javax.jms.MessageConsumer;

09	import javax.jms.MessageProducer;

10	import javax.jms.Queue;

11	import javax.jms.Session;

12	import javax.jms.TextMessage;

13	import javax.naming.Context;

14	import javax.naming.InitialContext;

15

16	public class HelloWorldJMS {

17

18	public static void main(String[] args) {

19

try {

20

21

/*

22	* Connecting to JBoss naming service running on local host and on

23	* default port 1099 the environment that should be created is like the

24	* one shown below :

25

*/

26	Hashtable env = new Hashtable();

27	env.put(Context.INITIAL_CONTEXT_FACTORY,"org.jnp.interfaces.NamingContextFactory");

28	env.put(Context.PROVIDER_URL, "jnp://localhost:1099");

29	env.put(Context.URL_PKG_PREFIXES,"org.jboss.naming:org.jnp.interfaces");

30

31	// Create the initial context

32	Context ctx = new InitialContext(env);

33

34	// Lookup the JMS connection factory from the JBoss 5.1 object store

35	ConnectionFactory connectionFactory = (ConnectionFactory) ctx.lookup("ConnectionFactory");

36

37	// Lookup a queue from the JBoss 5.1 object store

38	Queue queue = (javax.jms.Queue)ctx.lookup("/queue/DLQ");

39

40	// Create a connection to the JBoss 5.1 Message Service

41	Connection connection = connectionFactory.createConnection();

42

43	// Create a session within the connection

44	Session session = connection.createSession(false, Session.AUTO_ACKNOWLEDGE);

45

46	// Create a message producer to put messages on the queue

47	MessageProducer messageProducer = session.createProducer(queue);

48

49	//Create and send a message to the queue

50	TextMessage textMessage = session.createTextMessage();

51	textMessage.setText("Hello World");

52	System.out.println("Sending Message: " + textMessage.getText());

53	messageProducer.send(textMessage);

54

55	// Create a message consumer

56	MessageConsumer messageConsumer = session.createConsumer(queue);

57

58	// Start the Connection created

59	connection.start();

60

61	// Receive a message from the queue.

62	Message msg = messageConsumer.receive();

63

64	// Retrieve the contents of the message.

65	if (msg instanceof TextMessage) {

66	TextMessage txtMsg = (TextMessage) msg;

67	System.out.println("Read Message: " + txtMsg.getText());

68

}

69

70	//Close the session and connection resources.

71	session.close();

72	connection.close();

73

74	} catch (Exception ex) {

75	ex.printStackTrace();

76

}

77

}

78

79

}