TopicMessagePublisherServlet.java

package com.book.jms;

import java.io.IOException;

import javax.jms.Session;
import javax.jms.TextMessage;
import javax.jms.Topic;
import javax.jms.TopicConnection;
import javax.jms.TopicConnectionFactory;
import javax.jms.TopicPublisher;
import javax.jms.TopicSession;
import javax.naming.InitialContext;
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("/Topic")
public class TopicMessagePublisherServlet extends HttpServlet {

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

		try {

			String title = request.getParameter("title");
			String news = request.getParameter("news");

			InitialContext ctx = new InitialContext();

			TopicConnectionFactory f = (TopicConnectionFactory) ctx.lookup("ConnectionFactory");

			TopicConnection con = f.createTopicConnection();

			con.start();

			TopicSession session = con.createTopicSession(false, Session.AUTO_ACKNOWLEDGE);

			Topic topic = (Topic) ctx.lookup("topic/MyTopic");

			TopicPublisher publisher = session.createPublisher(topic);

			TextMessage message = session.createTextMessage();
			message.setText(title + ":" + news);
			
			publisher.publish(message);  
			
			session.close();
			
			con.close();
			
			response.getWriter().println("Haber abonelere iletildi");

		} catch (Exception e) {
			e.printStackTrace();
		}

	}

	protected void doPost(HttpServletRequest request, HttpServletResponse response)
			throws ServletException, IOException {
		doGet(request, response);
	}

}