servlets.NewFile.java Source code

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Here is the source code for servlets.NewFile.java

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/*
 * 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 servlets;

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.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 41013277E
 */
@WebServlet(name = "NewFile", urlPatterns = { "/NewFile" })
public class NewFile 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 {

        int maxFileSize = 1000 * 1024;
        int maxMemSize = 1000 * 1024;

        //        String contentType = request.getContentType();
        //         if ((contentType.contains("multipart/form-data"))) {
        //             DiskFileItemFactory factory = new DiskFileItemFactory();
        //         }
        String contentType = request.getContentType();
        response.setContentType("multipart/form-data");
        if ((contentType.contains("multipart/form-data"))) {
            DiskFileItemFactory factory = new DiskFileItemFactory();
            factory.setSizeThreshold(maxMemSize);
            factory.setRepository(new File("."));
            ServletFileUpload upload = new ServletFileUpload(factory);
            upload.setSizeMax(maxFileSize);
            String path = getServletContext().getRealPath("") + File.separator + "files";
            File uploadDir = new File(path);
            if (!uploadDir.exists()) {
                uploadDir.mkdir();
            }

            try {
                List<FileItem> formItems = upload.parseRequest(request);
                if (formItems != null && formItems.size() > 0) {
                    for (FileItem item : formItems) {
                        if (!item.isFormField()) {
                            String fileName = new File(item.getName()).getName();
                            String filePath = path + File.separator + fileName;
                            File storeFile = new File(filePath);
                            request.getSession(true).setAttribute("filePath", filePath);
                            // guardamos el fichero en el disco
                            item.write(storeFile);

                        }

                    }
                }
            } catch (FileUploadException ex) {
                Logger.getLogger(NewCarta.class.getName()).log(Level.SEVERE, null, ex);
            } catch (Exception ex) {
                Logger.getLogger(NewCarta.class.getName()).log(Level.SEVERE, null, ex);
            }

            request.getRequestDispatcher("/crearCarta.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>

}