take_test.java Source code

Introduction

Here is the source code for take_test.java

Source

/*
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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.Patient;
import org.hibernate.Criteria;
import org.hibernate.HibernateException;
import org.hibernate.Session;
import org.hibernate.SessionFactory;
import org.hibernate.Transaction;
import org.hibernate.criterion.Restrictions;

/**
 *
 * @author rishabh
 */
public class take_test 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 = HibernateUtil.getSessionFactory();
            Session ss = sf.openSession();
            Transaction tr = ss.beginTransaction();
            HttpSession hs = request.getSession();
            if (hs.getAttribute("patient") != null) {
                if (request.getParameter("labid") != null) {
                    Patient p = (Patient) hs.getAttribute("patient");
                    int labid = Integer.parseInt(request.getParameter("labid"));
                    Lab la = new Lab(labid);

                    Criteria cr = ss.createCriteria(Labtest.class);
                    cr.add(Restrictions.eq("lId", la));
                    ArrayList<Labtest> ltlist = (ArrayList<Labtest>) cr.list();
                    if (ltlist.size() > 0) {
                        request.setAttribute("ltlist", ltlist);
                    }
                    tr.commit();
                    RequestDispatcher rd = request.getRequestDispatcher("patient_labtest_takeappointment.jsp");
                    rd.forward(request, response);
                } else {
                    tr.commit();
                    RequestDispatcher rd = request.getRequestDispatcher("consult_lab.jsp");
                    rd.forward(request, response);
                }
            } else {
                tr.commit();
                RequestDispatcher rd = request.getRequestDispatcher("login.jsp");
                rd.forward(request, response);
            }
        } catch (HibernateException he) {
            he.getMessage();
        } finally {
            out.close();
        }
    }

    // <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>

}