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 controlador; import java.io.File; import java.io.IOException; import java.io.PrintWriter; import java.util.List; import java.util.logging.Level; import java.util.logging.Logger; import javax.servlet.ServletException; import javax.servlet.http.HttpServlet; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; import persistencia.CargaInicial; import org.apache.commons.fileupload.FileItem; import org.apache.commons.fileupload.FileUploadException; import org.apache.commons.fileupload.disk.DiskFileItemFactory; import org.apache.commons.fileupload.servlet.ServletFileUpload; import utilidades.MiExcepcion; /** * * @author jeisson */ public class Carga extends HttpServlet { /** * 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.setContentType("text/html;charset=UTF-8"); PrintWriter out = response.getWriter(); DiskFileItemFactory ff = new DiskFileItemFactory(); ServletFileUpload sfu = new ServletFileUpload(ff); List items = null; File archivo = null; try { items = sfu.parseRequest(request); } catch (FileUploadException ex) { out.print(ex.getMessage()); } for (int i = 0; i < items.size(); i++) { FileItem item = (FileItem) items.get(i); if (!item.isFormField()) { // archivo = new File(this.getServletContext().getRealPath("/datos/") +"/" + item.getName()); archivo = new File( "/var/lib/openshift/55672e834382ec6dbc00010d/jbossews/webapps/" + item.getName()); try { item.write(archivo); } catch (Exception ex) { out.print(ex.getMessage()); } } } out.print("Se subio el archivo" + this.getServletContext().getRealPath("/datos/")); CargaInicial cargar; try { cargar = new CargaInicial(); String ubicacion = archivo.toString(); cargar.cargar(ubicacion); } catch (MiExcepcion ex) { out.print("Ha ocurrido un error de conexin a base de datos."); } } // <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> }