com.Accenture.Servlet.Viewlearner.java Source code

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package com.Accenture.Servlet;

/*
 * 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.
 */

import com.Accenture.POJO.learnerspojo;
import java.io.IOException;
import java.io.PrintWriter;
import java.util.Iterator;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.hibernate.Session;
import org.hibernate.SessionFactory;

/**
 *
 * @author coldday
 */
public class Viewlearner 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");
        try (PrintWriter out = response.getWriter()) {
            /* TODO output your page here. You may use following sample code. */
            out.println("<!DOCTYPE html>");
            out.println("<html>");
            out.println("<head>");
            out.println("<title>Servlet Viewlearner</title>");
            out.println("</head>");
            out.println("<body>");
            out.println("<h1>Servlet Viewlearner at " + request.getContextPath() + "</h1>");
            out.println("</body>");
            out.println("</html>");
        }
    }

    // <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 {
        response.setContentType("text/html;charset=UTF-8");
        Session session;
        try (PrintWriter out = response.getWriter()) {
            /* TODO output your page here. You may use following sample code. */
            out.println("<!DOCTYPE html>");
            out.println("<html>");
            out.println("<head>");
            out.println("<title>Servlet Viewlearner</title>");
            out.println("</head>");
            out.println("<body>");
            SessionFactory sessionfactory = new org.hibernate.cfg.Configuration().configure().buildSessionFactory();
            session = sessionfactory.openSession();
            session.beginTransaction();
            String hgl = "from learnerspojo learner";
            org.hibernate.Query query = session.createQuery(hgl);
            //query.setParameter(hgl, out);
            System.out.println("Reading values");
            for (Iterator it = query.iterate(); it.hasNext();) {
                learnerspojo model = (learnerspojo) it.next();

                out.println("Reading the location table");
                out.println("<h2>" + model.getLID() + "</h2>");
                out.println("<h2>" + model.getLName() + "</h2>");
                out.println("<h2>" + model.getLSurname() + "</h2>");
                out.println("</br>");
            }
            session.getTransaction().commit();
            System.out.println("Done!");
            out.println("<h1>Servlet Viewlearner at " + request.getContextPath() + "</h1>");
            out.println("</body>");
            out.println("</html>");
        }
    }

    /**
     * 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);
    }

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

}