parse method

@protected @mustCallSuper T parse(Map<String, dynamic> propertyMap)

Parse T by given propertyMap.

This method is not designed for inhertance since it defines all standardized properties in Map and convert to all builtin Dart object to createProperty.

If the property is incompleted, InvalidPropertyMapException will be thrown.

If the parser does not support url scheme, StateError will be thrown.

Implementation

@protected
@mustCallSuper
T parse(Map<String, dynamic> propertyMap) {
  late final Uri url;
  late final bool accessible;

  try {
    url = Uri.parse(propertyMap["url"]);
    accessible = propertyMap["accessible"];
  } on TypeError {
    throw InvalidPropertyMapException._(propertyMap);
  }

  final Duration timeout = Duration(seconds: propertyMap["timeout"] ?? 10);
  final int? tryCount = propertyMap["try_count"];

  if (!supportedSchemes
      .any((element) => element.toLowerCase() == url.scheme)) {
    throw StateError(
        "URL scheme '${url.scheme}' is not handled by this processor.");
  } else if ((tryCount != null) && !accessible) {
    throw InvalidPropertyMapException._(propertyMap);
  }

  return createProperty(
      url,
      timeout,
      accessible,
      tryCount,
      UnmodifiableMapView(Map.fromEntries(propertyMap.entries.where(
          (element) => !{"url", "timeout", "accessible", "try_count"}
              .contains(element)))));
}