org.apache.tapestry5.internal.services.AnnotationDataTypeAnalyzer Maven / Gradle / Ivy

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Central module for Tapestry, containing interfaces to the Java Servlet API and all core services and components.

There is a newer version: 5.8.6

// Copyright 2007 The Apache Software Foundation
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

package org.apache.tapestry5.internal.services;

import org.apache.tapestry5.beaneditor.DataType;
import org.apache.tapestry5.ioc.services.PropertyAdapter;
import org.apache.tapestry5.services.DataTypeAnalyzer;

/**
 * Checks for the {@link DataType} annotation, returning its value if present.
 */
public class AnnotationDataTypeAnalyzer implements DataTypeAnalyzer
{
    public String identifyDataType(PropertyAdapter adapter)
    {
        DataType annotation = adapter.getAnnotation(DataType.class);

        return annotation == null ? null : annotation.value();
    }
}