FTP Client do Projeto Jakarta

FTPClient client = new FTPClient();
        client.addProtocolCommandListener(new PrintCommandListener(new PrintWriter(System.out)));
        try {
            client.connect(server);
            client.login("anonymous", "[email removido]");
            client.setBufferSize(32 * 1024 * 1024);  // 32Mb
            client.setTcpNoDelay(true);
            client.enterRemotePassiveMode();
            client.enterLocalActiveMode();
            client.changeWorkingDirectory(path); 
            int ret = client.sendCommand("mls"); 

        } catch (SocketException ex) {
            Logger.getLogger(FtpUtils.class.getName()).log(Level.SEVERE, null, ex);
        } catch (IOException ex) {
            Logger.getLogger(FtpUtils.class.getName()).log(Level.SEVERE, null, ex);
        } finally {
            if (client != null) {
                if (client.isConnected()) {
                    try {
                        client.logout();
                        client.disconnect();
                    } catch (Exception e) {
                    }
                }
            }
        }