Java tutorial
/* * To change this license header, choose License Headers in Project Properties. * To change this template file, choose Tools | Templates * and open the template in the editor. */ package duoc.cl.dej4501.DejMobile.Presentacion; import duoc.cl.dej4501.DejMobile.Dto.ClienteComunasDTO; import duoc.cl.dej4501.DejMobile.Persistencia.ClienteSessionBeans; import java.io.IOException; import java.io.PrintWriter; import javax.ejb.EJB; import javax.servlet.ServletException; import javax.servlet.annotation.WebServlet; import javax.servlet.http.HttpServlet; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; import javax.servlet.http.HttpSession; import org.apache.commons.codec.digest.DigestUtils; @WebServlet(name = "ValidarUsuarioServlet", urlPatterns = { "/validarUsuarioServlet", "/validarUsuario" }) public class ValidaUsuarioServlet extends HttpServlet { @EJB private ClienteSessionBeans objClienteSessionBeans; @Override protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { } @Override protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { HttpSession sesion = request.getSession(); String rut = request.getParameter("txtRut"); String clave = DigestUtils.md5Hex(request.getParameter("txtClave")); ClienteComunasDTO infoClienteComunasDTO = this.objClienteSessionBeans.ClienteValidaLogin(rut, clave); if (infoClienteComunasDTO != null) { sesion.setAttribute("usuarioConectado", infoClienteComunasDTO); response.sendRedirect("Menu.jsp"); } else { sesion.setAttribute("msgError", "Usuario y/o Clave incorrecta"); response.sendRedirect("Login.jsp"); } } @Override public String getServletInfo() { return "Short description"; }// </editor-fold> }