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.ClienteServlets; import java.io.IOException; import java.io.PrintWriter; import java.util.logging.Level; import java.util.logging.Logger; 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.ClientesManagers.*; import org.json.simple.JSONArray; import org.json.simple.JSONObject; /** * * @author Galatea */ @WebServlet(name = "InsertarCliente", urlPatterns = { "/InsertarCliente" }) public class InsertarCliente 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 parametros String nit = request.getParameter("nit"); String razonSocial = request.getParameter("razonSocial"); String direccion = request.getParameter("direccion"); String barrio = request.getParameter("barrio"); String correo = request.getParameter("correo"); String correo2 = request.getParameter("correo2"); String web = request.getParameter("web"); String representanteLegal = request.getParameter("representanteLegal"); String estadoUltVertimiento = request.getParameter("estadoUltVertimiento"); String ciiu = request.getParameter("ciiu"); String comuna = request.getParameter("comuna"); String telefono = request.getParameter("telefono"); String telefono2 = request.getParameter("telefono2"); String usoServicio = request.getParameter("usoServicio"); Integer respuesta; //Creamos el manager para registrar la informacion ClientesManager manager = new ClientesManager(); respuesta = manager.insertar(nit, razonSocial, ciiu, direccion, barrio, comuna, telefono, telefono2, usoServicio, correo, correo2, web, representanteLegal, estadoUltVertimiento); response.setContentType("application/json"); respError.put("error", respuesta); response.getWriter().write(respError.toString()); } catch (Exception ex) { response.setContentType("application/json"); respError.put("error", 0); response.getWriter().write(respError.toString()); } } /** * * Convierte en Integer un valor String solo si es numero * o asigna NULL en caso de ser un String vacio. * * @param numero * @return */ private Integer getIntegerNulo(String numero) { Integer number = null; if (numero != "") { number = Integer.parseInt(numero); } return number; } }