24 lines
666 B
Dart
24 lines
666 B
Dart
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import 'dart:async';
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import 'dart:mirrors';
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matchingAnnotation(List<InstanceMirror> metadata, Type T) {
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for (InstanceMirror metaDatum in metadata) {
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if (metaDatum.hasReflectee) {
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var reflectee = metaDatum.reflectee;
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if (reflectee.runtimeType == T) {
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return reflectee;
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}
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}
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}
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return null;
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}
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getAnnotation(obj, Type T) {
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if (obj is Function || obj is Future) {
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MethodMirror methodMirror = (reflect(obj) as ClosureMirror).function;
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return matchingAnnotation(methodMirror.metadata, T);
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} else {
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ClassMirror classMirror = reflectClass(obj.runtimeType);
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return matchingAnnotation(classMirror.metadata, T);
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}
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}
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