01: // Copyright 2007 The Apache Software Foundation
02: //
03: // Licensed under the Apache License, Version 2.0 (the "License");
04: // you may not use this file except in compliance with the License.
05: // You may obtain a copy of the License at
06: //
07: // http://www.apache.org/licenses/LICENSE-2.0
08: //
09: // Unless required by applicable law or agreed to in writing, software
10: // distributed under the License is distributed on an "AS IS" BASIS,
11: // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12: // See the License for the specific language governing permissions and
13: // limitations under the License.
14:
15: package org.apache.tapestry.ioc;
16:
17: import java.lang.annotation.Annotation;
18:
19: /**
20: * A source of annotations. This interface is used to mask where the annotations come from (for
21: * example, from a Method, a Class, or some other source).
22: */
23: public interface AnnotationProvider {
24: /**
25: * Searches for the specified annotation, returning the matching annotation instance.
26: *
27: * @param <T>
28: * @param annotationClass
29: * used to select the annotation to return«
30: * @return the annotation, or null if not found
31: */
32: <T extends Annotation> T getAnnotation(Class<T> annotationClass);
33: }
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