Re: upload excel and pdf file using Commons FileUpload package

"Guan" <>
17 Dec 2006 02:30:30 -0800
Hi Arne,

Add to that i am also using NetComponents class. My purpose is to
create a Web Based ftp to upload the file to the ftp server. So far i
can only upload .txt and .zip. If i upload other file using
ENCTYPE="multipart/form-data". I will receive some error.

Thanks for replying my posting.

 * This is to upload the file that the client submitted
 * to the ftp server.

import javax.servlet.*;
import javax.servlet.http.*;
import java.util.*;


import org.apache.commons.fileupload.servlet.ServletFileUpload;
import org.apache.commons.fileupload.FileItemFactory;
import org.apache.commons.fileupload.FileItem;
import org.apache.commons.fileupload.disk.DiskFileItemFactory;
import org.apache.commons.fileupload.FileUploadException;

public class FtpUpload extends HttpServlet{

    public void doPost(HttpServletRequest request,
                        HttpServletResponse response)
                        throws ServletException, IOException

    HttpSession session = request.getSession(true);

       if (!session.isNew()){

       DataInputStream inputLocalBuf = null;
       String fileName=null;


       // Check that we have a file upload request
       boolean isMultipart =

       // Create a factory for disk-based file items
       FileItemFactory factory = new DiskFileItemFactory();

       // Create a new file upload handler
       ServletFileUpload upload = new ServletFileUpload(factory);

       // Parse the request
    List items = upload.parseRequest(request);

    // Process the uploaded items
       Iterator iter = items.iterator();
       while (iter.hasNext()) {

          FileItem item = (FileItem);

          if (!item.isFormField()) {

           fileName = item.getName();
           InputStream uploadedStream = item.getInputStream();
            inputLocalBuf = new DataInputStream(uploadedStream);


       catch( FileUploadException fue) {
       throw new ServletException("FileUploadError: " +
fue.getMessage(), fue);

       /* create a UserDetails object. This object will retrieve
        * the id & password from the session object*/

    UserDetails userDetails = new UserDetails();
       userDetails = (UserDetails) session.getAttribute ("userInfo");

       String ftpUserId = userDetails.getName();
       String ftpPassword = userDetails.getPassword();

       String newFileName = null;
       StringTokenizer st = new StringTokenizer(fileName,"\\");
       while (st.hasMoreTokens()) {
         newFileName = st.nextToken();

       String FTP_SERVER = "";
       String FTP_DIRECTORY = "";

       FTPClient ftp = null;

       try {
           ftp = new FTPClient();
           int reply = ftp.getReplyCode();
               throw new"Could not connect to ftp
server " +
           ftp.login(ftpUserId, ftpPassword);
           try {
            /* Upload the file to the client ftp /HOME directory*/
               //inputLocal = new FileInputStream(objToFtpPut);

               if (!ftp.storeFile(newFileName,inputLocalBuf))
                   throw new
                           "Copy file to remote ftp host failed");
           } finally {
               if (inputLocalBuf != null) inputLocalBuf.close();
               //if (inputLocal != null) inputLocal.close();

               /*Display message to inform that file is downloaded
               PrintWriter out = response.getWriter();

               String docType =
               "<!DOCTYPE HTML PUBLIC \"-//W3C//DTD HTML 4.0 " +
               out.println(docType +
                "<HTML>\n" +
                "<TITLE>F T P</TITLE></HEAD>\n" +
                "<CENTER><IMG src=\"/ftp/images/banner.jpg\"
width=\"760\" height=\"75\">\n" +
                "</CENTER>\n<BR>\n<BR>\n" +
                "<CENTER>\n<TABLE width=\"760\" border=\"0\"
cellspacing=\"0\" cellpadding=\"0\">\n" +
                "<FONT face=\"Verdana, Arial, Helvetica,
sans-serif\"><B><FONT color=\"#000000\">\n" +
                "<FONT size=\"2\">&nbsp;M E S S A G
E</FONT></FONT></B></FONT>\n" +
                "</TD>\n<TD width=\"615\">\n" +
                "<HR size=\"1\" width=\"615\" noshade color=\"#990000\"
align=\"right\">" +
                "</TD></TR>\n" +
                "<A href=\"/InvalidateSession\">\n"+
                "<FONT face=face=\"Verdana, Arial, Helvetica,
sans-serif\" size=\"1\">[Sign Out]</A>\n"+
       "<TABLE width=\"760\" border=\"0\" cellspacing=\"0\"
cellpadding=\"0\">\n" +
                "<TR>\n<TD>\n" +
                "Your file have been uploaded <A HREF= \"" +
                response.encodeURL("/Validation") +
                "\"> Upload another file </A>\n"+
                "</TD>\n<TR>\n</TABLE>\n" +
                "<TABLE width=\"760\" border=\"0\" cellspacing=\"0\"
cellpadding=\"0\">" +
                "<HR width=\"760\" align=\"left\" noshade size=\"1\"
       } finally {
           if (ftp != null) {
               try {
               } catch (Exception e) {

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