lab_mytest.java Source code

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Here is the source code for lab_mytest.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 javax.servlet.http.HttpSession;
import model.Lab;
import model.Labtest;
import model.Test;
import org.hibernate.Criteria;
import org.hibernate.Session;
import org.hibernate.SessionFactory;
import org.hibernate.Transaction;
import org.hibernate.criterion.Restrictions;

/**
 *
 * @author Dell
 */
public class lab_mytest 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. */
            SessionFactory sf = HibernateUtil.getSessionFactory();
            Session ss = sf.openSession();
            Transaction tr = ss.beginTransaction();
            HttpSession hs = request.getSession();
            if (hs.getAttribute("lab") != null) {
                Lab lb = (Lab) hs.getAttribute("lab");

                if (request.getParameter("price") != null && request.getParameter("ltid") != null) {
                    int ltid = Integer.parseInt(request.getParameter("ltid"));
                    Double price = Double.parseDouble(request.getParameter("price"));
                    Labtest lt = (Labtest) ss.get(Labtest.class, ltid);
                    lt.setTestFees(price);
                    ss.update(lt);
                    request.setAttribute("msg", "Test price updated.!");
                }

                Criteria cr = ss.createCriteria(Labtest.class);
                cr.add(Restrictions.eq("lId", lb));
                ArrayList<Labtest> ltest = (ArrayList<Labtest>) cr.list();
                if (ltest.size() > 0) {
                    request.setAttribute("ltest", ltest);
                }
                tr.commit();
                RequestDispatcher rd = request.getRequestDispatcher("lab_mytest.jsp");
                rd.forward(request, response);

            } else {
                tr.commit();
                RequestDispatcher rd = request.getRequestDispatcher("login.jsp");
                rd.forward(request, response);
            }

        }
    }

    // <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>

}