Alterado para devolver XML conforma solicitação

[simdecs.git] / src / java / org / ufcspa / simdecs / comunicacao / MetodoAutenticacao.java

/*\r
 * To change this template, choose Tools | Templates\r
 * and open the template in the editor.\r
 */\r
package org.ufcspa.simdecs.comunicacao;\r
\r
import java.io.IOException;\r
import java.io.PrintWriter;\r
import javax.servlet.ServletException;\r
import javax.servlet.http.HttpServlet;\r
import javax.servlet.http.HttpServletRequest;\r
import javax.servlet.http.HttpServletResponse;\r
import javax.servlet.*;\r
import java.sql.*;\r
import javax.persistence.EntityManager;\r
import javax.persistence.EntityManagerFactory;\r
import javax.persistence.NoResultException;\r
import javax.persistence.Persistence;\r
import javax.servlet.http.*;\r
import org.ufcspa.simdecs.entidade.Log;\r
import org.ufcspa.simdecs.entidade.Usuario;\r
\r
/**\r
 *\r
 * @author pbarros\r
 * testye\r
 */\r
public class MetodoAutenticacao extends HttpServlet {\r
\r
    /**\r
     * Processes requests for both HTTP\r
     * <code>GET</code> and\r
     * <code>POST</code> methods.\r
     *\r
     * @param request servlet request\r
     * @param response servlet response\r
     * @throws ServletException if a servlet-specific error occurs\r
     * @throws IOException if an I/O error occurs\r
     */\r
    private ServletConfig config;\r
    public void init(ServletConfig config)\r
            throws ServletException{\r
        this.config=config;\r
    }\r
    protected void processRequest(HttpServletRequest request, HttpServletResponse response)\r
            throws ServletException, IOException {\r
        \r
        PrintWriter out = response.getWriter();\r
        // alteracao solicitado mosmmann \r
        //response.setContentType("text/html;charset=UTF-8");\r
        \r
        response.setContentType( "text/xml" );\r
        response.setHeader( "Cache-Control", "no-cache" );\r
        ///para devolver arquivo anexo\r
        //response.addHeader("Content-Disposition", "attachment; filename="+ "teste");\r
        //response.setContentType("text/html;charset=UTF-8");\r
        \r
        //metodo antigo\r
        //PrintWriter out = response.getWriter();\r
        EntityManagerFactory emf = Persistence.createEntityManagerFactory("simdecsPU");\r
        EntityManager em = emf.createEntityManager();\r
        out.println( "<xml>" );\r
        \r
        Usuario user;\r
	try {\r
		user = (Usuario) em.createQuery("select usu from Usuario as usu where usu.login=:login and usu.senha=:senha")\r
										.setParameter("login", request.getParameter("user"))\r
										.setParameter("senha", request.getParameter("pass"))\r
										.getSingleResult();	\r
                \r
                out.println( "<id>" + String.valueOf(user.getId()) + "</id>" );\r
//                out.println("OK "+ user.getId());\r
//                out.close();\r
	} catch (NoResultException ne) {\r
            \r
//		request.setAttribute("id","0");		\r
//		out.println("Usuario ou senha Inválido ");\r
                out.println( "<id>" + "0" + "</id>" );\r
                \r
	} finally {         \r
            out.println( "</xml>" );\r
            out.close();\r
        }\r
    }\r
\r
    // <editor-fold defaultstate="collapsed" desc="HttpServlet methods. Click on the + sign on the left to edit the code.">\r
    /**\r
     * Handles the HTTP\r
     * <code>GET</code> method.\r
     *\r
     * @param request servlet request\r
     * @param response servlet response\r
     * @throws ServletException if a servlet-specific error occurs\r
     * @throws IOException if an I/O error occurs\r
     */\r
    @Override\r
    protected void doGet(HttpServletRequest request, HttpServletResponse response)\r
            throws ServletException, IOException {\r
        processRequest(request, response);\r
    }\r
\r
    /**\r
     * Handles the HTTP\r
     * <code>POST</code> method.\r
     *\r
     * @param request servlet request\r
     * @param response servlet response\r
     * @throws ServletException if a servlet-specific error occurs\r
     * @throws IOException if an I/O error occurs\r
     */\r
    @Override\r
    protected void doPost(HttpServletRequest request, HttpServletResponse response)\r
            throws ServletException, IOException {\r
        processRequest(request, response);\r
    }\r
\r
    /**\r
     * Returns a short description of the servlet.\r
     *\r
     * @return a String containing servlet description\r
     */\r
    @Override\r
    public String getServletInfo() {\r
        return "Short description";\r
    }// </editor-fold>\r
}\r