control.UploadFile.java Source code

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Here is the source code for control.UploadFile.java

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/*
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 */

package control;

import java.io.File;
import java.io.IOException;
import java.io.PrintWriter;
import java.util.Date;
import java.util.Iterator;
import java.util.List;
import javax.servlet.ServletException;
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.FileItemFactory;
import org.apache.commons.fileupload.disk.DiskFileItemFactory;
import org.apache.commons.fileupload.servlet.ServletFileUpload;
import org.apache.commons.io.FilenameUtils;
//import org.apache.tomcat.util.http.fileupload.FileItem;

/**
 *
 * @author CaronteTNH
 */
public class UploadFile 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
     */
    String saveFile = "img/images";

    protected void processRequest(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        response.setContentType("text/html;charset=UTF-8");
        PrintWriter out = response.getWriter();
        try {
            boolean ismultipart = ServletFileUpload.isMultipartContent(request);
            if (!ismultipart) {
            } else {
                FileItemFactory factory = new DiskFileItemFactory();
                ServletFileUpload upload = new ServletFileUpload(factory);

                List items = null;
                System.out.println(request);
                try {
                    items = upload.parseRequest(request);
                } catch (Exception e) {

                }
                Iterator itr = items.iterator();
                while (itr.hasNext()) {
                    FileItem item = (FileItem) itr.next();
                    if (item.isFormField()) {

                    } else {
                        String itemname = item.getName();
                        if (itemname == null || itemname.equals("")) {
                            continue;
                        }
                        String filename = FilenameUtils.getName(itemname);
                        File f = checkExist(filename);
                        item.write(f);
                        request.getRequestDispatcher("/ideaCreated.jsp").forward(request, response);
                    }
                }
            }
        } catch (Exception e) {
        } finally {
            out.close();
        }
    }

    // <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>

    private File checkExist(String fileName) {
        fileName = "new" + fileName.substring(fileName.lastIndexOf('.'));
        File f = new File(saveFile + "/" + fileName);
        if (f.exists()) {
            StringBuffer sb = new StringBuffer(fileName);
            sb.insert(sb.lastIndexOf("."), "-" + new Date().getTime());
            f = new File(saveFile + "/" + sb.toString());
        }
        return f;
    }

}