SimpleFTP

http://www.jibble.org/simpleftp/ 

A Simple Java FTP Client Package

try {
    SimpleFTP ftp = new SimpleFTP();
    
    // Connect to an FTP server on port 21.
    ftp.connect("ftp.somewhere.net", 21, "username", "password");
    
    // Set binary mode.
    ftp.bin();
    
    // Change to a new working directory on the FTP server.
    ftp.cwd("web");
    
    // Upload some files.
    ftp.stor(new File("webcam.jpg"));
    ftp.stor(new File("comicbot-latest.png"));
    
    // You can also upload from an InputStream, e.g.
    ftp.stor(new FileInputStream(new File("test.png")), "test.png");
    ftp.stor(someSocket.getInputStream(), "blah.dat");
    
    // Quit from the FTP server.
    ftp.disconnect();
}
catch (IOException e) {
    // Jibble.
}