01: // Copyright 2007 The Apache Software Foundation
02: //
03: // Licensed under the Apache License, Version 2.0 (the "License");
04: // you may not use this file except in compliance with the License.
05: // You may obtain a copy of the License at
06: //
07: // http://www.apache.org/licenses/LICENSE-2.0
08: //
09: // Unless required by applicable law or agreed to in writing, software
10: // distributed under the License is distributed on an "AS IS" BASIS,
11: // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12: // See the License for the specific language governing permissions and
13: // limitations under the License.
14:
15: package org.apache.tapestry.internal.services;
16:
17: import java.lang.annotation.Annotation;
18:
19: import org.apache.tapestry.PropertyConduit;
20: import org.apache.tapestry.ioc.services.TypeCoercer;
21:
22: public class CoercingPropertyConduitWrapper implements PropertyConduit {
23: private final PropertyConduit _conduit;
24:
25: private final TypeCoercer _coercer;
26:
27: public CoercingPropertyConduitWrapper(
28: final PropertyConduit conduit, final TypeCoercer coercer) {
29: _conduit = conduit;
30: _coercer = coercer;
31: }
32:
33: public Object get(Object instance) {
34: return _conduit.get(instance);
35: }
36:
37: public <T extends Annotation> T getAnnotation(
38: Class<T> annotationClass) {
39: return _conduit.getAnnotation(annotationClass);
40: }
41:
42: public Class getPropertyType() {
43: return _conduit.getPropertyType();
44: }
45:
46: @SuppressWarnings("unchecked")
47: public void set(Object instance, Object value) {
48: Object coerced = _coercer.coerce(value, getPropertyType());
49:
50: _conduit.set(instance, coerced);
51: }
52:
53: }
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