001    // Copyright 2011 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.kaptcha.internal.services;
016    
017    import org.apache.tapestry5.ioc.services.PropertyAdapter;
018    import org.apache.tapestry5.kaptcha.annotations.Kaptcha;
019    import org.apache.tapestry5.services.DataTypeAnalyzer;
020    
021    public class KaptchaDataTypeAnalyzer implements DataTypeAnalyzer
022    {
023        public String identifyDataType(PropertyAdapter adapter)
024        {
025            final Kaptcha annotation = adapter.getAnnotation(Kaptcha.class);
026    
027            return annotation == null ? null : "kaptcha";
028        }
029    }