Index.UploadFileServlet.java Source code

Introduction

Here is the source code for Index.UploadFileServlet.java

Source

/*
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 * and open the template in the editor.
 */
package Index;

import java.io.File;
import java.io.IOException;
import java.io.PrintWriter;
import java.util.List;
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 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;

/**
 *
 * @author Romina
 */
@WebServlet(name = "UploadFileServlet", urlPatterns = { "/UploadFileServlet" })
public class UploadFileServlet 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");

        String ubicacionArchivo = "C:\\Users\\Romina\\Documents\\NetBeansProjects\\QuickOrderWeb\\web\\images";

        DiskFileItemFactory factory = new DiskFileItemFactory();
        factory.setSizeThreshold(1024);
        factory.setRepository(new File(ubicacionArchivo));

        ServletFileUpload upload = new ServletFileUpload(factory);

        try {
            List<FileItem> partes = upload.parseRequest(request);

            for (FileItem item : partes) {
                File file = new File(ubicacionArchivo,
                        request.getSession().getAttribute("userName").toString() + ".jpg");
                item.write(file);
                System.out.println("name: " + item.getName());
            }
            request.setAttribute("error", null);
            request.setAttribute("result", "Se ha registrado correctamente");
            request.setAttribute("funcionalidad", "Imagen");
            request.getSession().removeAttribute("userName");

            request.getRequestDispatcher("/Login.jsp").forward(request, response);
        } catch (FileUploadException ex) {
            System.out.println("Error al subir el archivo: " + ex.getMessage());

            request.setAttribute("error", "Error al subir la imagen");
            request.setAttribute("funcionalidad", "Imagen");

            request.getRequestDispatcher("/Login.jsp").forward(request, response);
        } catch (Exception ex) {
            System.out.println("Error al subir el archivo: " + ex.getMessage());
            request.setAttribute("error", "Error al subir la imagen");
            request.setAttribute("funcionalidad", "Imagen");

            request.getRequestDispatcher("/Login.jsp").forward(request, response);

        }

    }

    // <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>

}