    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.services;
    016
    017import org.apache.tapestry5.beaneditor.DataType;
    018import org.apache.tapestry5.commons.services.DataTypeAnalyzer;
    019import org.apache.tapestry5.commons.services.PropertyAdapter;
    020
    021/**
    022 * Checks for the {@link DataType} annotation, returning its value if present.
    023 */
    024public class AnnotationDataTypeAnalyzer implements DataTypeAnalyzer
    025{
    026    public String identifyDataType(PropertyAdapter adapter)
    027    {
    028        DataType annotation = adapter.getAnnotation(DataType.class);
    029
    030        return annotation == null ? null : annotation.value();
    031    }
    032}