ZipOptions.fromJson constructor

ZipOptions.fromJson(Object? json_)

Returns a new instance from a JSON value. May throw if the value does not have the expected structure.

Implementation

factory ZipOptions.fromJson(Object? json_) {
  final json = json_ is Map
      ? _spec.fields.map((f) => json_[f.label]).toList(growable: false)
      : json_;
  return switch (json) {
    [
      final compressionMethod,
      final compressionLevel,
      final lastModifiedTime,
      final permissions,
      final comment
    ] ||
    (
      final compressionMethod,
      final compressionLevel,
      final lastModifiedTime,
      final permissions,
      final comment
    ) =>
      ZipOptions(
        compressionMethod: ZipCompressionMethod.fromJson(compressionMethod),
        compressionLevel:
            Option.fromJson(compressionLevel, (some) => some! as int).value,
        lastModifiedTime:
            Option.fromJson(lastModifiedTime, (some) => bigIntFromJson(some))
                .value,
        permissions:
            Option.fromJson(permissions, (some) => some! as int).value,
        comment:
            Option.fromJson(comment, (some) => BytesOrUnicode.fromJson(some))
                .value,
      ),
    _ => throw Exception('Invalid JSON $json_')
  };
}