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.*; import org.json.simple.JSONObject; /** * * @author Galatea */ @WebServlet(name = "InsertarUnidadesMedida", urlPatterns = { "/InsertarUnidadesMedida" }) public class InsertarUnidadesMedida 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 { JSONObject respError = new JSONObject(); try { //Obtenemos los datos enviados. String descripcion = request.getParameter("descripcion"); //Creamos el manager para registrar la informacion UnidadesMedida manager = new UnidadesMedida(); respError = manager.insertar(descripcion); //Armamos la respuesta JSON y la enviamos response.setContentType("application/json"); response.getWriter().write(respError.toString()); } catch (Exception ex) { //Armamos la respuesta JSON y la enviamos response.setContentType("application/json"); respError.put("error", 0); response.getWriter().write(respError.toString()); } } }