    001    // Copyright 2007 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.ioc.internal;
    016
    017    import org.apache.tapestry5.ioc.AnnotationProvider;
    018
    019    import java.lang.annotation.Annotation;
    020
    021    /**
    022     * A null implementation of {@link AnnotationProvider}, used when there is not appropriate source of annotations.
    023     */
    024    public class NullAnnotationProvider implements AnnotationProvider
    025    {
    026        /**
    027         * Always returns null.
    028         */
    029        public <T extends Annotation> T getAnnotation(Class<T> annotationClass)
    030        {
    031            return null;
    032        }
    033
    034    }