getcity.java Source code

Introduction

Here is the source code for getcity.java

Source

/*
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 * To change this template file, choose Tools | Templates
 * and open the template in the editor.
 */

import util.NewHibernateUtil;
import java.io.IOException;
import java.io.PrintWriter;
import java.util.ArrayList;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import model.CityMaster;
import model.StateMaster;
import org.hibernate.Criteria;
import org.hibernate.Session;
import org.hibernate.SessionFactory;
import org.hibernate.Transaction;
import org.hibernate.criterion.Restrictions;

/**
 *
 * @author Rushin
 */
public class getcity 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");

        PrintWriter out = response.getWriter();

        try {

            SessionFactory sf = NewHibernateUtil.getSessionFactory();
            Session ss = sf.openSession();
            Transaction tr = ss.beginTransaction();

            int stateid = Integer.parseInt(request.getParameter("state"));
            out.print(stateid);

            StateMaster sm = new StateMaster();
            sm.setSId(stateid);

            Criteria cr = ss.createCriteria(CityMaster.class);
            cr.add(Restrictions.eq("sId", sm));

            ArrayList<CityMaster> ctlist = (ArrayList<CityMaster>) cr.list();

            for (int i = 0; i < ctlist.size(); i++) {
                CityMaster cm = ctlist.get(i);
                System.out.println("------------- getcity" + cm.getCityName());
                System.out.println("------------- " + cm.getCityId());
                out.print("<option value=" + cm.getCityId() + ">" + cm.getCityName() + "</option>");
            }

            tr.commit();

        } catch (Exception e) {
            out.println(e.getMessage());
        }
    }

    // <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);
    }

    /**
     * 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>

}