fromJson static method

dynamic fromJson(dynamic value, String targetType, { bool growable = false, })

Returns a native instance of an OpenAPI class matching the targetType.

Implementation

static dynamic fromJson(dynamic value, String targetType, {bool growable = false,}) {
  try {
    switch (targetType) {
      case 'String':
        return value is String ? value : value.toString();
      case 'int':
        return value is int ? value : int.parse('$value');
      case 'double':
        return value is double ? value : double.parse('$value');
      case 'bool':
        if (value is bool) {
          return value;
        }
        final valueString = '$value'.toLowerCase();
        return valueString == 'true' || valueString == '1';
      case 'DateTime':
        return value is DateTime ? value : DateTime.tryParse(value);
      case 'ClientErrorResponse':
        return ClientErrorResponse.fromJson(value);
      case 'ClientErrorResponseResponse':
        return ClientErrorResponseResponse.fromJson(value);
      case 'VisualSearchResponse':
        return VisualSearchResponse.fromJson(value);
      case 'VisualSearchResponseResponse':
        return VisualSearchResponseResponse.fromJson(value);
      case 'VisualSearchUploadResponse':
        return VisualSearchUploadResponse.fromJson(value);
      case 'VisualSearchUploadResponseMetadata':
        return VisualSearchUploadResponseMetadata.fromJson(value);
      case 'VisualSearchUploadResponseMetadataWidget':
        return VisualSearchUploadResponseMetadataWidget.fromJson(value);
      case 'VisualSearchUploadResponseResponse':
        return VisualSearchUploadResponseResponse.fromJson(value);
      default:
        dynamic match;
        if (value is List && (match = _regList.firstMatch(targetType)?.group(1)) != null) {
          return value
            .map<dynamic>((dynamic v) => fromJson(v, match, growable: growable,))
            .toList(growable: growable);
        }
        if (value is Set && (match = _regSet.firstMatch(targetType)?.group(1)) != null) {
          return value
            .map<dynamic>((dynamic v) => fromJson(v, match, growable: growable,))
            .toSet();
        }
        if (value is Map && (match = _regMap.firstMatch(targetType)?.group(1)) != null) {
          return Map<String, dynamic>.fromIterables(
            value.keys.cast<String>(),
            value.values.map<dynamic>((dynamic v) => fromJson(v, match, growable: growable,)),
          );
        }
    }
  } on Exception catch (error, trace) {
    throw ApiException.withInner(HttpStatus.internalServerError, 'Exception during deserialization.', error, trace,);
  }
  throw ApiException(HttpStatus.internalServerError, 'Could not find a suitable class for deserialization',);
}