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_'),
  };
}