001// Copyright 2007 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.services; 016 017import org.apache.tapestry5.PropertyConduit; 018import org.apache.tapestry5.ioc.services.TypeCoercer; 019 020import java.lang.annotation.Annotation; 021 022public class CoercingPropertyConduitWrapper implements PropertyConduit 023{ 024 private final PropertyConduit conduit; 025 026 private final TypeCoercer coercer; 027 028 public CoercingPropertyConduitWrapper(final PropertyConduit conduit, final TypeCoercer coercer) 029 { 030 this.conduit = conduit; 031 this.coercer = coercer; 032 } 033 034 public Object get(Object instance) 035 { 036 return conduit.get(instance); 037 } 038 039 public <T extends Annotation> T getAnnotation(Class<T> annotationClass) 040 { 041 return conduit.getAnnotation(annotationClass); 042 } 043 044 public Class getPropertyType() 045 { 046 return conduit.getPropertyType(); 047 } 048 049 @SuppressWarnings("unchecked") 050 public void set(Object instance, Object value) 051 { 052 Object coerced = coercer.coerce(value, getPropertyType()); 053 054 conduit.set(instance, coerced); 055 } 056 057}