clientservlet.java

Java Application using EJB 3.0 for renting a car - Entities : Car, User, Renting Business Logic. Ne

import java.io.*;
import java.net.*;

import java.util.logging.Level;
import java.util.logging.Logger;
import javax.annotation.Resource;
import javax.jms.Connection;
import javax.jms.ConnectionFactory;
import javax.jms.JMSException;
import javax.jms.MapMessage;
import javax.jms.MessageProducer;
import javax.jms.Queue;
import javax.jms.Session;
import javax.servlet.*;
import javax.servlet.http.*;
/**
 *
 * @author kiriashoo
 */
public class ClientServlet extends HttpServlet {
   
    /** 
    * Processes requests for both HTTP <code>GET</code> and <code>POST</code> methods.
    * @param request servlet request
    * @param response servlet response
    */
    
    @Resource(mappedName="jms/MessageDBFactory")
    private ConnectionFactory connectionFactory;
    
    @Resource(mappedName="jms/MessageDB")
    private Queue queue;
    
    
    
    protected void processRequest(HttpServletRequest request, HttpServletResponse response)
    throws ServletException, IOException, JMSException {
        response.setContentType("text/html;charset=UTF-8");
        PrintWriter out = response.getWriter();
        try {
           
            Connection connection=connectionFactory.createConnection();
    Session ses=connection.createSession(false,Session.AUTO_ACKNOWLEDGE);
    
    
    MessageProducer prod=ses.createProducer(queue);
    MapMessage msg=ses.createMapMessage();
    msg.setObject("uId", Integer.valueOf(request.getParameter("uId")));
    msg.setObject("carId",Integer.valueOf(request.getParameter("carId")));
    msg.setString("startDate", request.getParameter("startDate"));
    msg.setString("endDate", request.getParameter("endDate"));
    
    prod.send(msg);
        } finally { 
            out.close();
        }
    } 

    // <editor-fold defaultstate="collapsed" desc="HttpServlet methods. Click on the + sign on the left to edit the code.">
    /** 
    * Handles the HTTP <code>GET</code> method.
    * @param request servlet request
    * @param response servlet response
    */
    protected void doGet(HttpServletRequest request, HttpServletResponse response)
    throws ServletException, IOException {
        try {
            processRequest(request, response);
        } catch (JMSException ex) {
            Logger.getLogger(ClientServlet.class.getName()).log(Level.SEVERE, null, ex);
        }
    } 

    /** 
    * Handles the HTTP <code>POST</code> method.
    * @param request servlet request
    * @param response servlet response
    */
    protected void doPost(HttpServletRequest request, HttpServletResponse response)
    throws ServletException, IOException {
        try {
            processRequest(request, response);
        } catch (JMSException ex) {
            Logger.getLogger(ClientServlet.class.getName()).log(Level.SEVERE, null, ex);
        }
    }

    /** 
    * Returns a short description of the servlet.
    */
    public String getServletInfo() {
        return "Short description";
    }
    // </editor-fold>
}