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 control.ParametrizacionServlets; import java.io.IOException; import java.io.PrintWriter; 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 modelo.ParametrizacionManagers.UnidadesMedida; import org.json.simple.JSONArray; /** * * @author illustrato */ @WebServlet(name = "EliminarUnidadesMedida", urlPatterns = { "/EliminarUnidadesMedida" }) public class EliminarUnidadesMedida extends HttpServlet { // <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 { doPost(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 { try { //Obtenemos los paramtros enviados int codigo = Integer.parseInt(request.getParameter("codigo")); JSONArray respError = new JSONArray(); // uno significa que no hay error //Obtenemos La informacion del manager UnidadesMedida manager = new UnidadesMedida(); //Almacenamos el error que pueda resultar respError = manager.Eliminar(codigo); //Armamos la respuesta JSON y la enviamos response.setContentType("application/json"); for (Object jsonObject : respError) { response.getWriter().write(respError.toString()); } } catch (Exception e) { } } //----------------------------------------------------------------------------- }