chilkat 11.6.1

The Chilkat class library for Dart and Flutter: HTTP, REST, email (SMTP/POP3/IMAP), FTP, SFTP, SSH, zip, encryption, digital signatures, certificates, XML, JSON and more.

example/main.dart

// A small Dart CLI program using package:chilkat.
//
//   dart run example/main.dart

import 'package:chilkat/chilkat.dart';

// The unlock code: any non-empty string starts the fully functional 30-day
// trial; a purchased code (or a trial-extension code) can be passed at build
// time with `dart run --define=CHILKAT_UNLOCK=<code> example/main.dart`.
const _unlockCode = String.fromEnvironment(
  'CHILKAT_UNLOCK',
  defaultValue: 'Anything for 30-day trial',
);

void main() {
  Chilkat.unlockBundle(_unlockCode);
  print('Chilkat ${Chilkat.version}');

  // JSON: build, query, serialize.
  final json = CkJsonObject()..emitCompact = false;
  json.updateString('name', 'chilkat');
  json.updateInt('answer', 42);
  json.updateBool('flags.nested', true);
  print(json.emit());
  print('has name: ${json.hasMember('name')}');

  // Hashing and encoding.
  final crypt = CkCrypt2()
    ..hashAlgorithm = 'sha256'
    ..encodingMode = 'hex';
  print('sha256("abc") = ${crypt.hashStringENC('abc')}');

  // Failure handling: a status method throws a ChilkatException.
  try {
    CkJsonObject().load('{ not json');
  } on ChilkatException catch (e) {
    print(e); // CkJsonObject.load failed: <reason>
  }

  // HTTP (network): in a Flutter app, run this inside Isolate.run.
  final http = CkHttp()..connectTimeout = 15;
  try {
    final page = http.quickGetStr('https://example.com/');
    print('example.com: ${page.length} chars, status ${http.lastStatus}');
  } on ChilkatException catch (e) {
    print('HTTP failed: ${e.message}');
  }
}