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


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.spec.IComponentSpecification;
22
23 /**
24  * Defines workers that perform annotation enhancements at the method level.
25  *
26  * @author Howard Lewis Ship
27  * @since 4.0
28  */
29 public interface MethodAnnotationEnhancementWorker
30 {
31     /**
32      * Performs a particular enhancement based on a registered annotation. Exception reporting is
33      * the responsibility of the caller.
34      *
35      * @param op
36      * the enhancement operaration
37      * @param spec
38      * the specification of the component for which a class is being enhanced
39      * @param method
40      * the method to which the annotation is attached. The annotation
41      * may be obtained from the method.
42      * @param location TODO
43      */
44
45     public void performEnhancement(EnhancementOperation op, IComponentSpecification spec,
46             Method JavaDoc method, Location location);
47 }
48
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