Servlets.contServlet.java Source code

Introduction

Here is the source code for Servlets.contServlet.java

Source

/*
 * To change this license header, choose License Headers in Project Properties.
 * To change this template file, choose Tools | Templates
 * and open the template in the editor.
 */
package Servlets;

import Beans.statefulBean;
import Hibernate.HybernateUtil;
import java.io.IOException;
import java.io.PrintWriter;
import java.util.List;
import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.hibernate.Query;
import org.hibernate.Session;
import org.hibernate.SessionFactory;
import org.hibernate.Transaction;

/**
 *
 * @author Johan Nilsson
 */
@WebServlet(name = "contServlet", urlPatterns = { "/contServlet" })
public class contServlet extends HttpServlet {

    /**
     * Processes requests for both HTTP <code>GET</code> and <code>POST</code>
     * methods.
     *
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    protected void processRequest(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        response.setContentType("text/html;charset=UTF-8");

    }

    // <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
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doGet(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
        //        if (request.getParameter("cont") != null) {
        //            HybernateUtil hu = new HybernateUtil();
        //            SessionFactory sessionFactory = hu.getSessionFactory();
        //            Session session = sessionFactory.getCurrentSession();
        //            Transaction tx = session.beginTransaction();
        //            System.out.println("cretaied sessions");
        //
        //            String queryString = "SELECT * FROM Office";
        //
        //            Query query = session.createSQLQuery(queryString);
        //            System.out.println("Query::::" + query.getQueryString().toString());;
        //            request.setAttribute("Loc", query.list());
        //            request.getRequestDispatcher("homecasual.jsp").forward(request, response);
        //            tx.commit();
        //            System.out.println("txcommit.............................................................................");
        //            hu.close();
        //        }
    }

    /**
     * Handles the HTTP <code>POST</code> method.
     *
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doPost(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
        if (request.getParameter("cont") != null) {
            HybernateUtil hu = new HybernateUtil();
            SessionFactory sessionFactory = hu.getSessionFactory();
            Session session = sessionFactory.getCurrentSession();
            Transaction tx = session.beginTransaction();
            System.out.println("cretaied sessions");

            String queryString = "SELECT * FROM Office";

            Query query = session.createSQLQuery(queryString);
            System.out.println("Query::::" + query.getQueryString().toString());
            ;
            List queryList = query.list();

            statefulBean sfb = new statefulBean();
            sfb.setOfficeList(queryList);
            request.getRequestDispatcher("homecasual.jsp").forward(request, response);
            tx.commit();
            System.out.println(
                    "txcommit.............................................................................");
            hu.close();
        }
    }

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

}