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Antiguo 17/07/2012, 18:06
JohnEdiSantDe
 
Fecha de Ingreso: julio-2012
Mensajes: 8
Antigüedad: 11 años, 9 meses
Puntos: 0
Respuesta: Problemas GetJson y JQuery en MVC

Servlet de Funciones


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

package controlador;

import datos.dao.DAODepartamento;
import java.io.IOException;
import java.io.PrintWriter;
import java.util.ArrayList;
import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

/**
*
* @author PC
*/
@WebServlet(name="Funciones", urlPatterns={"/Funciones"})
public class Funciones extends HttpServlet {

public Funciones(){
super();
}
/**
* 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.addHeader("Cache-Control", "no-store, no-cache, must-revalidate");
response.addHeader("pragma", "no-cache");
response.addDateHeader("Expires", -1);
request.setCharacterEncoding("UTF-8");
response.setCharacterEncoding("UTF-8");
PrintWriter out = response.getWriter();
String lista="";
try {
DAODepartamento Consultar = new DAODepartamento();
//acceder al emtodo buscaCiudades con un parametro que seria el idciudad
ArrayList Funciones = Consultar.buscaFunciones(Integer.parseInt(request. getParameter("id").toString()));

lista = "\"" + "Funciones" + "\":" + "[";
for (int x = 0; x < Funciones.size(); x=x+2){
lista += "{" + "\"" + "id" + "\"" + ":" + Funciones.get(x).toString() +
"," + "\"" + "nombre" + "\"" + ":" + " \"" + Funciones.get(x+1) + "\"" + "}" + ",";
}
lista = lista.substring(0, lista.length() - 1);

} catch (Exception e) {
System.out.println("Error en servlet:");
e.printStackTrace();

} finally {
out.println("{" + lista + "]}");
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>

}