    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.internal.services.ComponentClassCache;
    018    import org.apache.tapestry5.ioc.ObjectLocator;
    019    import org.apache.tapestry5.ioc.services.Coercion;
    020    import org.apache.tapestry5.model.MutableComponentModel;
    021    import org.apache.tapestry5.plastic.PlasticField;
    022    import org.apache.tapestry5.services.InjectionProvider;
    023    import org.apache.tapestry5.services.transform.InjectionProvider2;
    024
    025
    026    /**
    027     * Converts the deprecated {@link InjectionProvider} to the new {@link InjectionProvider2}.
    028     *
    029     * @since 5.3
    030     */
    031    public class InjectionProviderToInjectionProvider2 implements Coercion<InjectionProvider, InjectionProvider2>
    032    {
    033        private final ComponentClassCache classCache;
    034
    035        public InjectionProviderToInjectionProvider2(ComponentClassCache classCache)
    036        {
    037            this.classCache = classCache;
    038        }
    039
    040        public InjectionProvider2 coerce(final InjectionProvider input)
    041        {
    042            return new InjectionProvider2()
    043            {
    044                public boolean provideInjection(PlasticField field, ObjectLocator locator, MutableComponentModel componentModel)
    045                {
    046                    Class fieldType = classCache.forName(field.getTypeName());
    047
    048                    // We don't currently provide a TransformationSupport into the BridgeClassTransformation,
    049                    // as it should not be needed.
    050
    051                    return input.provideInjection(field.getName(), fieldType, locator,
    052                            new BridgeClassTransformation(field.getPlasticClass(), null, componentModel), componentModel);
    053                }
    054            };
    055        }
    056    }