Can anyone help me in sending a file through FTP

Question

i have written a program to transfer files or directories in zipformat through FTP.i have also installed filezella server to check whether it is working or not.i have connected to filezella server but i am not able to send file.can any one send the code for sending the file.
i have also tried the jakarta api sendfile ().but in that i don't what is mode means.
for your reference i am sending the code as far developed.
import java.io.*;
import java.util.*;
import java.util.zip.*;
import java.io.FileInputStream;
import java.io.IOException;
import java.util.zip.ZipEntry;
import java.util.zip.ZipInputStream;
import org.apache.commons.net.ftp.*;
import org.apache.commons.net.tftp.*;
class FTPTransfer
static public void main(String[]p)
FTPTransfer ob = new FTPTransfer();
// ob.Create_Zip_File(new File("outfile.zip"),new File[]{new File("c:\\trialtwo")}, false);
ob.ftpConnect();
// connecting to FTP server
public void ftpConnect()
boolean error = false;
FTPClient ftp = null;
try
int reply;
//ftp.connect("ftp.comcast.com");
ftp = new FTPClient();
ftp.connect( "localhost",21);
// ftp.login( username, password );
System.out.print("reply from FTP Server :"+ftp.getReplyString());
// After connection attempt, you should check the reply code to verify
// success.
reply = ftp.getReplyCode();
if(!FTPReply.isPositiveCompletion(reply)) {
ftp.disconnect();
System.err.println("FTP server refused connection.");
System.exit(1);
// ftp.sendFile();
// transfer files
// ftp.logout();
TFTPClient tftp = new TFTPClient();
System.out.print("before sending");
tftp.sendFile("c:\\trialtwo\\a-1.txt",1,new FileInputStream("c:\\trialtwo\\a-1.txt"),"localhost",21);
System.out.print("after sending");
catch(IOException e)
error = true;
e.printStackTrace();
finally
if(ftp.isConnected())
try
ftp.disconnect();
catch(IOException ioe)
// do nothing
System.exit(error ? 1 : 0);
//send files
// filename - The name the remote server should use when creating the file on its file system.
// mode - The TFTP mode of the transfer (one of the MODE constants).
// host - The remote host receiving the file.
//port - The port number of the remote TFTP server.
private void listContents( File Zip_File, File dir, ZipOutputStream out )
throws Exception
String[] files;
files = dir.list();
byte[] buf = new byte[1024];
File[] file = dir.listFiles();
for (int i = 0; i < file.length; i++) {
System.out.println("*********** "+file);
// File f = new File(dir,file[i]);
try{
FileInputStream in = new FileInputStream(file[i]);
out.putNextEntry(new ZipEntry(file[i].getPath()));
int len;
while((len = in.read(buf)) > 0) {
out.write(buf, 0, len);
in.close();
catch(Exception e)
zipEntry(Zip_File, file[i], out);
} // end listContents()
void Create_Zip_File(File Zip_File,File[] To_Be_Zipped_Files,boolean Skip_Dirs)
try
// Open archive file
FileOutputStream stream=new FileOutputStream(Zip_File);
ZipOutputStream out=new ZipOutputStream(stream);
for (int i=0;i<To_Be_Zipped_Files.length;i++)
//if (To_Be_Zipped_Files[i]==null
// || !To_Be_Zipped_Files[i].exists()
// || (Skip_Dirs ))
// continue;
System.out.println("Adding "+To_Be_Zipped_Files[i].getName());
zipEntry(Zip_File, To_Be_Zipped_Files[i], out);
out.close();
stream.close();
System.out.println("Finished zipping : "+ Zip_File.getAbsolutePath());
catch (Exception e)
e.printStackTrace();
System.out.println("Error: " + e.getMessage());
return;
private void zipEntry(File Zip_File, File file, ZipOutputStream out) throws Exception
if (file.isDirectory())
listContents(Zip_File, file, out);
return;

Answer 1

You'll stand a better chance of getting help if you're more specific about what problems you're encountering. "Can't send file" doesn't say much.
When you post code, please use[code] and [/code] tags as described in Formatting tips on the message entry page. It makes it much easier to read.