GetStateServ.java Source code

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Here is the source code for GetStateServ.java

Source

/*
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 * and open the template in the editor.
 */

import java.io.IOException;
import java.io.PrintWriter;
import java.util.ArrayList;
import javax.servlet.RequestDispatcher;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import model.State;
import org.hibernate.Criteria;
import org.hibernate.Session;
import org.hibernate.SessionFactory;
import org.hibernate.Transaction;

/**
 *
 * @author rishabh
 */
public class GetStateServ 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 {
            /* TODO output your page here. You may use following sample code. */
            String id = request.getParameter("id");
            String path = "";
            SessionFactory sf = HibernateUtil.getSessionFactory();
            Session se = sf.openSession();
            Transaction tr = se.beginTransaction();
            //String sid = request.getParameter("state");
            Criteria cr = se.createCriteria(State.class);
            ArrayList<State> cmli = (ArrayList<State>) cr.list();
            request.setAttribute("sli", cmli);
            if (id.equals("0")) {
                path = "patient_reg.jsp";
            } else if (id.equals("1")) {
                path = "laboratory_reg.jsp";
            } else if (id.equals("2")) {
                path = "doctor_reg.jsp";
            } else {
                path = "whoru.jsp";
            }
            RequestDispatcher rd = request.getRequestDispatcher(path);
            rd.forward(request, response);
            tr.commit();
            out.println("</html>");
        } 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>

}