001// Copyright 2006, 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.transform;
016
017import org.apache.tapestry5.annotations.SupportsInformalParameters;
018import org.apache.tapestry5.model.MutableComponentModel;
019import org.apache.tapestry5.plastic.PlasticClass;
020import org.apache.tapestry5.services.transform.ComponentClassTransformWorker2;
021import org.apache.tapestry5.services.transform.TransformationSupport;
022
023/**
024 * Checks for the {@link SupportsInformalParameters} annotation, settting the corresponding flag on the model if
025 * present.
026 */
027public class SupportsInformalParametersWorker implements ComponentClassTransformWorker2
028{
029    public void transform(PlasticClass plasticClass, TransformationSupport support, MutableComponentModel model)
030    {
031        if (plasticClass.hasAnnotation(SupportsInformalParameters.class))
032        {
033            model.enableSupportsInformalParameters();
034        }
035    }
036}