findComponentType<C> method

  1. @override
Class<C>? findComponentType<C>(
  1. Class parentClass,
  2. Type? component
)
override

Finds the component type of a collection-like class.

Type Parameters:

  • C: The expected component type.

Parameters:

  • parentClass: The class representing the collection.
  • component: The runtime Type to help narrow the match (optional).

Returns:

  • A Class<C> representing the component type, or null if none exists.

Example

final listClass = await loader.loadClass<List<String>>('dart:core/list.dart.List');
final stringType = loader.findComponentType<String>(listClass);
print(stringType?.qualifiedName); // "dart:core/string.dart.String"

Implementation

@override
Class<C>? findComponentType<C>(Class parentClass, Type? component) {
  _checkClosed();

  final cacheKey = "${_buildCacheKey(parentClass)}:${component ?? ""}:classComponent";

  // Check cache first
  final cached = _classComponentCache[cacheKey];
  if (cached != null) {
    _hitCount++;
    return cached as Class<C>;
  }

  _missCount++;

  component ??= extractComponentType(parentClass);

  Class<C>? result;
  if (component == null) {
    result = _extractComponentTypeFromName<C>(parentClass);
  } else if(component.toString().contains("dynamic") && !parentClass.getName().contains("dynamic")) {
    result = _extractComponentTypeFromName<C>(parentClass);
  } else {
    result = Class.forType<C>(component as C, parentClass.getProtectionDomain());
  }

  // Cache result
  if(result != null) {
    _classComponentCache[cacheKey] = result;
  }

  return result;
}