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 015package org.apache.tapestry5.internal.transform; 016 017import org.apache.tapestry5.internal.services.ComponentClassCache; 018import org.apache.tapestry5.ioc.ObjectLocator; 019import org.apache.tapestry5.ioc.services.Coercion; 020import org.apache.tapestry5.model.MutableComponentModel; 021import org.apache.tapestry5.plastic.PlasticField; 022import org.apache.tapestry5.services.InjectionProvider; 023import 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 */ 031public 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}