Dart

FTP Upload / Download to a BinData Object

Demonstrates how to FTP upload the contents of a BinData object, and FTP downloads to the a BinData object. Dart

import 'package:chilkat/chilkat.dart';

void main() {
  // This example assumes Chilkat Ftp2 to have been previously unlocked.
  // See Unlock Ftp2 for sample code.

  final ftp = CkFtp2();

  ftp.hostname = 'www.my-ftp-server.com';
  ftp.username = 'mFtpLogin';
  ftp.password = 'myFtpPassword';

  // Connect to the FTP server.
  try {
    ftp.connectOnly();
  } on ChilkatException catch (e) {
    print(e.lastErrorText);
    return;
  }

  // Authenticate with the FTP server.
  try {
    ftp.loginAfterConnectOnly();
  } on ChilkatException catch (e) {
    print(e.lastErrorText);
    return;
  }

  final bdA = CkBinData();
  bdA.loadFile('qa_data/jpg/penguins.jpg');

  // Upload the contents of bdA to the FTP server.
  final remoteFilename = 'penguins.jpg';
  try {
    ftp.putFileBd(bdA, remoteFilename);
  } on ChilkatException catch (e) {
    print(e.lastErrorText);
    return;
  }

  // Download...
  final bdB = CkBinData();
  try {
    ftp.getFileBd(remoteFilename, bdB);
  } on ChilkatException catch (e) {
    print(e.lastErrorText);
    return;
  }

  // Verify that bdA and bdB have the exact same contents.
  print('size of bdA: ${bdA.numBytes}');
  if (bdA.contentsEqual(bdB)) {
    print('Contents are equal. Success.');
  } else {
    print('Contents are NOT equal.  Failed.');
  }

  ftp.disconnect();
}