// Copyright 2006 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.tapestry.internal.services;
import org.apache.tapestry.annotations.Retain;
import org.apache.tapestry.model.MutableComponentModel;
import org.apache.tapestry.services.ClassTransformation;
import org.apache.tapestry.services.ComponentClassTransformWorker;
/**
* Identifies fields with the {@link org.apache.tapestry.annotations.Retain} annotation, and
* "claims" them so that no special work will occur on them.
*/
public final class RetainWorker implements ComponentClassTransformWorker
{
/**
* Claims each field with the {@link org.apache.tapestry.annotations.Retain} annotation,
* claiming it using the annotation as the tag.
*/
public void transform(ClassTransformation transformation, MutableComponentModel model)
{
for (String fieldName : transformation.findFieldsWithAnnotation(Retain.class))
{
Retain annotation = transformation.getFieldAnnotation(fieldName, Retain.class);
transformation.claimField(fieldName, annotation);
}
}
}