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}