AnswerFormat.fromJson constructor

AnswerFormat.fromJson(Map<String, dynamic> json)

Implementation

factory AnswerFormat.fromJson(Map<String, dynamic> json) {
  final type = json['type'] as String?;
  assert(type != null, 'type is required');

  switch (type) {
    case MultipleChoiceAnswerFormat.type:
      return MultipleChoiceAnswerFormat.fromJson(json);
    case SingleChoiceAnswerFormat.type:
      return SingleChoiceAnswerFormat.fromJson(json);
    case BooleanAnswerFormat.type:
      return BooleanAnswerFormat.fromJson(json);
    case DateAnswerFormat.type:
      return DateAnswerFormat.fromJson(json);
    case DoubleAnswerFormat.type:
      return DoubleAnswerFormat.fromJson(json);
    case IntegerAnswerFormat.type:
      return IntegerAnswerFormat.fromJson(json);
    case ImageAnswerFormat.type:
      return ImageAnswerFormat.fromJson(json);
    case TextAnswerFormat.type:
      return TextAnswerFormat.fromJson(json);
    case TimeAnswerFormat.type:
      return TimeAnswerFormat.fromJson(json);
    case ScaleAnswerFormat.type:
      return ScaleAnswerFormat.fromJson(json);
    case MultipleChoiceAutoCompleteAnswerFormat.type:
      return MultipleChoiceAutoCompleteAnswerFormat.fromJson(json);
    case MultipleDoubleAnswerFormat.type:
      return MultipleDoubleAnswerFormat.fromJson(json);
    default:
      throw Exception('Unknown type: $type');
  }
}