thoerup/messagedriven/ProducerServlet.java

package dk.thoerup.messagedriven;

import java.io.IOException;

import javax.annotation.Resource;
import javax.jms.Connection;
import javax.jms.ConnectionFactory;
import javax.jms.MessageProducer;
import javax.jms.Queue;
import javax.jms.Session;
import javax.jms.TextMessage;
import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;


@WebServlet(name = "ProducerServlet", urlPatterns = { "/ProducerServlet" })
public class ProducerServlet extends HttpServlet {
        private static final long serialVersionUID = 1L;
       
    
    // resource mapped vars may of course not be static !
    @Resource(mappedName = "jms/helloFactory")
    private ConnectionFactory connectionFactory;

    @Resource(mappedName = "jms/hello")
    private Queue queue;
    

    @Override
    public void init() throws ServletException {
        /*
        try {
                InitialContext ic = new InitialContext();
                if (connectionFactory == null) {
                        connectionFactory = (ConnectionFactory)ic.lookup("jms/helloFactory");
                        System.out.println("@Resource failed for connection factory");
                }
                if (queue == null) {
                        queue = (Queue)ic.lookup("jms/hello");
                        System.out.println("@Resource failed for queue");
                }
        } catch(NamingException ne) {
                throw new ServletException(ne);
        }*/
    }


        protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
                try {

                        Connection connection = connectionFactory.createConnection();                   
                        
                
                Session session = connection.createSession(false, Session.AUTO_ACKNOWLEDGE);
                MessageProducer producer = session.createProducer(queue);
                TextMessage message = session.createTextMessage();
                message.setStringProperty("name", "World!!");
                message.setText("this is the body");
                producer.send(message);
                response.getWriter().print("Message sent" );
                } catch (Exception e) {
                        throw new ServletException(e);
                }
        }


}
1	torben	1271	package dk.thoerup.messagedriven;
2
3			import java.io.IOException;
4
5	torben	1273	import javax.annotation.Resource;
6	torben	1271	import javax.jms.Connection;
7			import javax.jms.ConnectionFactory;
8			import javax.jms.MessageProducer;
9			import javax.jms.Queue;
10			import javax.jms.Session;
11			import javax.jms.TextMessage;
12			import javax.servlet.ServletException;
13			import javax.servlet.annotation.WebServlet;
14			import javax.servlet.http.HttpServlet;
15			import javax.servlet.http.HttpServletRequest;
16			import javax.servlet.http.HttpServletResponse;
17
18
19			@WebServlet(name = "ProducerServlet", urlPatterns = { "/ProducerServlet" })
20			public class ProducerServlet extends HttpServlet {
21			private static final long serialVersionUID = 1L;
22
23
24	torben	1274	// resource mapped vars may of course not be static !
25	torben	1273	@Resource(mappedName = "jms/helloFactory")
26	torben	1274	private ConnectionFactory connectionFactory;
27	torben	1271
28	torben	1273	@Resource(mappedName = "jms/hello")
29	torben	1274	private Queue queue;
30	torben	1272
31	torben	1271
32	torben	1272	@Override
33			public void init() throws ServletException {
34	torben	1274	/*
35	torben	1272	try {
36			InitialContext ic = new InitialContext();
37	torben	1273	if (connectionFactory == null) {
38			connectionFactory = (ConnectionFactory)ic.lookup("jms/helloFactory");
39			System.out.println("@Resource failed for connection factory");
40			}
41			if (queue == null) {
42			queue = (Queue)ic.lookup("jms/hello");
43			System.out.println("@Resource failed for queue");
44			}
45	torben	1272	} catch(NamingException ne) {
46			throw new ServletException(ne);
47	torben	1274	}*/
48	torben	1272	}
49	torben	1271
50
51			protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
52			try {
53	torben	1272
54			Connection connection = connectionFactory.createConnection();
55	torben	1271
56
57			Session session = connection.createSession(false, Session.AUTO_ACKNOWLEDGE);
58			MessageProducer producer = session.createProducer(queue);
59			TextMessage message = session.createTextMessage();
60			message.setStringProperty("name", "World!!");
61			message.setText("this is the body");
62			producer.send(message);
63			response.getWriter().print("Message sent" );
64			} catch (Exception e) {
65	torben	1273	throw new ServletException(e);
66	torben	1271	}
67			}
68
69
70			}