KickJava   Java API By Example, From Geeks To Geeks.

Java > Open Source Codes > org > apache > tapestry > annotations > InjectObjectAnnotationWorker


1 // Copyright 2005 The Apache Software Foundation
2 //
3 // Licensed under the Apache License, Version 2.0 (the "License");
4 // you may not use this file except in compliance with the License.
5 // You may obtain a copy of the License at
6 //
7 // http://www.apache.org/licenses/LICENSE-2.0
8 //
9 // 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.annotations;
16
17 import java.lang.reflect.Method JavaDoc;
18
19 import org.apache.hivemind.Location;
20 import org.apache.tapestry.enhance.EnhancementOperation;
21 import org.apache.tapestry.enhance.InjectObjectWorker;
22 import org.apache.tapestry.services.InjectedValueProvider;
23 import org.apache.tapestry.spec.IComponentSpecification;
24
25 /**
26  * Performs injection of objects, in much the same way as the <inject> element in a
27  * specification.
28  *
29  * @author Howard M. Lewis Ship
30  * @since 4.0
31  * @see org.apache.tapestry.enhance.InjectObjectWorker
32  * @see org.apache.tapestry.annotations.InjectObject
33  */
34
35 public class InjectObjectAnnotationWorker implements MethodAnnotationEnhancementWorker
36 {
37     final InjectObjectWorker _delegate;
38
39     public InjectObjectAnnotationWorker()
40     {
41         this(new InjectObjectWorker());
42     }
43
44     InjectObjectAnnotationWorker(InjectObjectWorker delegate)
45     {
46         _delegate = delegate;
47     }
48
49     public void performEnhancement(EnhancementOperation op, IComponentSpecification spec,
50             Method JavaDoc method, Location location)
51     {
52         InjectObject io = method.getAnnotation(InjectObject.class);
53
54         String JavaDoc object = io.value();
55
56         String JavaDoc propertyName = AnnotationUtils.getPropertyName(method);
57
58         _delegate.injectObject(op, object, propertyName, null);
59     }
60
61     public void setProvider(InjectedValueProvider provider)
62     {
63         _delegate.setProvider(provider);
64     }
65 }
66
Popular Tags