27 lines
861 B
Plaintext
27 lines
861 B
Plaintext
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import {Type, isPresent, BaseException} from 'facade/lang';
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import {Directive} from '../annotations/directive';
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import {AnnotatedType} from './annotated_type';
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/**
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* Interface representing a way of extracting [Directive] annotations from
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* [Type]. This interface has three native implementations:
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*
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* 1) JavaScript native implementation
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* 2) Dart reflective implementation
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* 3) Dart transformer generated implementation
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*/
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export class Reflector {
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annotatedType(type:Type):AnnotatedType {
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var annotations = type.annotations;
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if (annotations) {
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for (var i=0; i<annotations.length; i++) {
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var annotation = annotations[i];
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if (annotation instanceof Directive) {
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return new AnnotatedType(type, annotation);
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}
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}
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}
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throw new BaseException('No Directive annotation found on ' + type.name);
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}
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}
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