src/java/org/ufcspa/simdecs/comunicacao/MetodoAutenticacao.java

   1 /*\r
   2  * To change this template, choose Tools | Templates\r
   3  * and open the template in the editor.\r
   4  */\r
   5 package org.ufcspa.simdecs.comunicacao;\r
   6 \r
   7 import java.io.IOException;\r
   8 import java.io.PrintWriter;\r
   9 import javax.servlet.ServletException;\r
  10 import javax.servlet.http.HttpServlet;\r
  11 import javax.servlet.http.HttpServletRequest;\r
  12 import javax.servlet.http.HttpServletResponse;\r
  13 import javax.servlet.*;\r
  14 import java.sql.*;\r
  15 import javax.persistence.EntityManager;\r
  16 import javax.persistence.EntityManagerFactory;\r
  17 import javax.persistence.NoResultException;\r
  18 import javax.persistence.Persistence;\r
  19 import javax.servlet.http.*;\r
  20 import org.ufcspa.simdecs.entidade.Log;\r
  21 import org.ufcspa.simdecs.entidade.Usuario;\r
  22 \r
  23 /**\r
  24  *\r
  25  * @author pbarros\r
  26  * testye\r
  27  */\r
  28 public class MetodoAutenticacao extends HttpServlet {\r
  29 \r
  30     /**\r
  31      * Processes requests for both HTTP\r
  32      * <code>GET</code> and\r
  33      * <code>POST</code> methods.\r
  34      *\r
  35      * @param request servlet request\r
  36      * @param response servlet response\r
  37      * @throws ServletException if a servlet-specific error occurs\r
  38      * @throws IOException if an I/O error occurs\r
  39      */\r
  40     private ServletConfig config;\r
  41     public void init(ServletConfig config)\r
  42             throws ServletException{\r
  43         this.config=config;\r
  44     }\r
  45     protected void processRequest(HttpServletRequest request, HttpServletResponse response)\r
  46             throws ServletException, IOException {\r
  47         \r
  48         PrintWriter out = response.getWriter();\r
  49         // alteracao solicitado mosmmann \r
  50         //response.setContentType("text/html;charset=UTF-8");\r
  51         \r
  52         response.setContentType( "text/xml" );\r
  53         response.setHeader( "Cache-Control", "no-cache" );\r
  54         ///para devolver arquivo anexo\r
  55         //response.addHeader("Content-Disposition", "attachment; filename="+ "teste");\r
  56         //response.setContentType("text/html;charset=UTF-8");\r
  57         \r
  58         //metodo antigo\r
  59         //PrintWriter out = response.getWriter();\r
  60         EntityManagerFactory emf = Persistence.createEntityManagerFactory("simdecsPU");\r
  61         EntityManager em = emf.createEntityManager();\r
  62         out.println( "<xml>" );\r
  63         \r
  64         Usuario user;\r
  65         try {\r
  66                 user = (Usuario) em.createQuery("select usu from Usuario as usu where usu.login=:login and usu.senha=:senha")\r
  67                                                                                 .setParameter("login", request.getParameter("user"))\r
  68                                                                                 .setParameter("senha", request.getParameter("pass"))\r
  69                                                                                 .getSingleResult();     \r
  70                 \r
  71                 out.println( "<id>" + String.valueOf(user.getId()) + "</id>" );\r
  72 //                out.println("OK "+ user.getId());\r
  73 //                out.close();\r
  74         } catch (NoResultException ne) {\r
  75             \r
  76 //              request.setAttribute("id","0");         \r
  77 //              out.println("Usuario ou senha Inválido ");\r
  78                 out.println( "<id>" + "0" + "</id>" );\r
  79                 \r
  80         } finally {         \r
  81             out.println( "</xml>" );\r
  82             out.close();\r
  83         }\r
  84     }\r
  85 \r
  86     // <editor-fold defaultstate="collapsed" desc="HttpServlet methods. Click on the + sign on the left to edit the code.">\r
  87     /**\r
  88      * Handles the HTTP\r
  89      * <code>GET</code> method.\r
  90      *\r
  91      * @param request servlet request\r
  92      * @param response servlet response\r
  93      * @throws ServletException if a servlet-specific error occurs\r
  94      * @throws IOException if an I/O error occurs\r
  95      */\r
  96     @Override\r
  97     protected void doGet(HttpServletRequest request, HttpServletResponse response)\r
  98             throws ServletException, IOException {\r
  99         processRequest(request, response);\r
 100     }\r
 101 \r
 102     /**\r
 103      * Handles the HTTP\r
 104      * <code>POST</code> method.\r
 105      *\r
 106      * @param request servlet request\r
 107      * @param response servlet response\r
 108      * @throws ServletException if a servlet-specific error occurs\r
 109      * @throws IOException if an I/O error occurs\r
 110      */\r
 111     @Override\r
 112     protected void doPost(HttpServletRequest request, HttpServletResponse response)\r
 113             throws ServletException, IOException {\r
 114         processRequest(request, response);\r
 115     }\r
 116 \r
 117     /**\r
 118      * Returns a short description of the servlet.\r
 119      *\r
 120      * @return a String containing servlet description\r
 121      */\r
 122     @Override\r
 123     public String getServletInfo() {\r
 124         return "Short description";\r
 125     }// </editor-fold>\r
 126 }\r