editarProfessor.java Source code

Introduction

Here is the source code for editarProfessor.java

Source

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

import java.io.IOException;
import java.io.PrintWriter;
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.Transaction;

/**
 *
 * @author Rafael.Soares
 */
public class editarProfessor 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()) {

            Session sessao = HibernateUtil.getSessionFactory().openSession();
            String nome = request.getParameter("nome");
            Professor prof = (Professor) sessao.get(Professor.class, nome);

            prof.setDisciplina(request.getParameter("disciplina"));
            prof.setSobrenome(request.getParameter("sobrenome"));

            Transaction tx = null;
            try {
                tx = sessao.beginTransaction();

                sessao.save(prof);
                sessao.flush();

                tx.commit();
                sessao.close();
                out.println("Professor Atualizado com sucesso.");

            } catch (Exception e) {
                if (tx != null) {
                    tx.rollback();
                }
                e.printStackTrace();
                out.println("Erro ao atualizar Professor: " + 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>

}