// Copyright 2012 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.ioc.annotations.Operation;
import org.apache.tapestry5.ioc.services.OperationAdvisor;
import org.apache.tapestry5.model.MutableComponentModel;
import org.apache.tapestry5.plastic.PlasticClass;
import org.apache.tapestry5.plastic.PlasticMethod;
import org.apache.tapestry5.services.transform.ComponentClassTransformWorker2;
import org.apache.tapestry5.services.transform.TransformationSupport;

/**
 * Add support for the {@link org.apache.tapestry5.ioc.annotations.Operation} annotation on component class methods.
 */
public class OperationWorker implements ComponentClassTransformWorker2
{
    private final OperationAdvisor advisor;

    public OperationWorker(OperationAdvisor advisor)
    {
        this.advisor = advisor;
    }

    public void transform(PlasticClass plasticClass, TransformationSupport support, MutableComponentModel model)
    {
        for (PlasticMethod method : plasticClass.getMethodsWithAnnotation(Operation.class))
        {
            Operation annotation = method.getAnnotation(Operation.class);

            method.addAdvice(advisor.createAdvice(annotation.value()));
        }
    }
}
