validate method

@override bool validate(dynamic value, Map<String, dynamic> data)

Implementation

@override
bool validate(value, data) {
  if (value is RequestFile) {
    return false;
  }
  if (args.toString().isNotEmpty) {
    extensions = args.toString().split(',');
  }
  if (extensions.contains(value.extension)) {
    return true;
  }
  return false;
}