    001// Copyright 2010, 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
    015package org.apache.tapestry5.internal.services.meta;
    016
    017import org.apache.tapestry5.model.MutableComponentModel;
    018import org.apache.tapestry5.plastic.PlasticClass;
    019import org.apache.tapestry5.services.meta.MetaDataExtractor;
    020import org.apache.tapestry5.services.meta.MetaWorker;
    021import org.apache.tapestry5.services.transform.ComponentClassTransformWorker2;
    022import org.apache.tapestry5.services.transform.TransformationSupport;
    023
    024import java.lang.annotation.Annotation;
    025import java.util.Map;
    026
    027@SuppressWarnings("unchecked")
    028public class MetaWorkerImpl implements MetaWorker, ComponentClassTransformWorker2
    029{
    030    private final Map<Class, MetaDataExtractor> configuration;
    031
    032    public MetaWorkerImpl(Map<Class, MetaDataExtractor> configuration)
    033    {
    034        this.configuration = configuration;
    035    }
    036
    037    public ComponentClassTransformWorker2 getWorker()
    038    {
    039        return this;
    040    }
    041
    042    public void transform(PlasticClass plasticClass, TransformationSupport support, MutableComponentModel model)
    043    {
    044        for (Class c : configuration.keySet())
    045        {
    046            Annotation annotation = plasticClass.getAnnotation(c);
    047
    048            if (annotation != null)
    049            {
    050                MetaDataExtractor extractor = configuration.get(c);
    051
    052                extractor.extractMetaData(model, annotation);
    053            }
    054        }
    055    }
    056
    057}