    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.internal.services;
    016
    017    import org.apache.tapestry5.beaneditor.DataType;
    018    import org.apache.tapestry5.ioc.services.PropertyAdapter;
    019    import org.apache.tapestry5.services.DataTypeAnalyzer;
    020
    021    /**
    022     * Checks for the {@link DataType} annotation, returning its value if present.
    023     */
    024    public 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    }