001    // Copyright 2011 The Apache Software Foundation
002    //
003    // Licensed under the Apache License, Version 2.0 (the "License");
004    // you may not use this file except in compliance with the License.
005    // You may obtain a copy of the License at
006    //
007    // http://www.apache.org/licenses/LICENSE-2.0
008    //
009    // Unless required by applicable law or agreed to in writing, software
010    // distributed under the License is distributed on an "AS IS" BASIS,
011    // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
012    // See the License for the specific language governing permissions and
013    // limitations under the License.
014    
015    package org.apache.tapestry5.plastic;
016    
017    import java.lang.annotation.Annotation;
018    
019    /** Interface implemented by members that may hold annotations. */
020    public interface AnnotationAccess
021    {
022        /** Checks to see if the target has an annotation of the given type. */
023        <T extends Annotation> boolean hasAnnotation(Class<T> annotationType);
024    
025        /** Returns an instantiated annotation, or null if the target does not have the indicated annotation. */
026        <T extends Annotation> T getAnnotation(Class<T> annotationType);
027    }