tapestry-core/src/main/java/org/apache/tapestry5/internal/transform/InvokePostRenderCleanupOnResourcesWorker.java

// Copyright 2008 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.transform;

import org.apache.tapestry5.model.MutableComponentModel;
import org.apache.tapestry5.services.ClassTransformation;
import org.apache.tapestry5.services.ComponentClassTransformWorker;
import org.apache.tapestry5.services.TransformConstants;

/**
 * Extends a <em>root</em> component class' postRenderCleanup() method to invoke {@link
 * org.apache.tapestry5.internal.InternalComponentResources#postRenderCleanup()}.
 */
public class InvokePostRenderCleanupOnResourcesWorker implements ComponentClassTransformWorker
{
    public void transform(ClassTransformation transformation, MutableComponentModel model)
    {
        if (!transformation.isRootTransformation()) return;

        String resourcesFieldName = transformation.getResourcesFieldName();

        transformation.extendMethod(TransformConstants.POST_RENDER_CLEANUP_SIGNATURE,
                                    resourcesFieldName + ".postRenderCleanup();");
    }
}