    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
    015package org.apache.tapestry5.commons.internal;
    016
    017import java.lang.annotation.Annotation;
    018
    019import org.apache.tapestry5.commons.AnnotationProvider;
    020
    021/**
    022 * A null implementation of {@link AnnotationProvider}, used when there is not appropriate source of annotations.
    023 */
    024public class NullAnnotationProvider implements AnnotationProvider
    025{
    026    /**
    027     * Always returns null.
    028     */
    029    @Override
    030    public <T extends Annotation> T getAnnotation(Class<T> annotationClass)
    031    {
    032        return null;
    033    }
    034
    035}