    001    // Copyright 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
    015    package org.apache.tapestry5.internal.transform;
    016
    017    import org.apache.tapestry5.ioc.services.Coercion;
    018    import org.apache.tapestry5.ioc.services.CoercionTuple;
    019    import org.apache.tapestry5.model.MutableComponentModel;
    020    import org.apache.tapestry5.plastic.PlasticClass;
    021    import org.apache.tapestry5.services.ClassTransformation;
    022    import org.apache.tapestry5.services.ComponentClassTransformWorker;
    023    import org.apache.tapestry5.services.transform.ComponentClassTransformWorker2;
    024    import org.apache.tapestry5.services.transform.TransformationSupport;
    025
    026    /**
    027     * A {@link org.apache.tapestry5.ioc.services.Coercion} for converting the
    028     * deprecated ComponentClassTransformWorker to the new ComponentClassTransformWorker2.
    029     */
    030    @SuppressWarnings("deprecation")
    031    public class CCTWToCCTW2Coercion implements Coercion<ComponentClassTransformWorker, ComponentClassTransformWorker2>
    032    {
    033        public ComponentClassTransformWorker2 coerce(final ComponentClassTransformWorker oldStyleWorker)
    034        {
    035            return new ComponentClassTransformWorker2()
    036            {
    037                public void transform(PlasticClass plasticClass, TransformationSupport support, MutableComponentModel model)
    038                {
    039                    ClassTransformation ct = new BridgeClassTransformation(plasticClass, support, model);
    040
    041                    oldStyleWorker.transform(ct, model);
    042                }
    043            };
    044        }
    045
    046        public static final CoercionTuple<ComponentClassTransformWorker, ComponentClassTransformWorker2> TUPLE = new CoercionTuple<ComponentClassTransformWorker, ComponentClassTransformWorker2>(
    047                ComponentClassTransformWorker.class, ComponentClassTransformWorker2.class, new CCTWToCCTW2Coercion());
    048    }