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Java > Open Source Codes > org > springframework > aop > framework > adapter > BeforeAdviceAdapter


1 /*
2  * Copyright 2002-2005 the original author or authors.
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  * http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16
17 package org.springframework.aop.framework.adapter;
18
19 import org.aopalliance.aop.Advice;
20 import org.aopalliance.intercept.Interceptor;
21
22 import org.springframework.aop.Advisor;
23 import org.springframework.aop.MethodBeforeAdvice;
24
25 /**
26  * @author Rod Johnson
27  */
28 class BeforeAdviceAdapter implements AdvisorAdapter {
29
30     /**
31      * @see org.springframework.aop.framework.adapter.AdvisorAdapter#supportsAdvice
32      */
33     public boolean supportsAdvice(Advice advice) {
34         return advice instanceof MethodBeforeAdvice;
35     }
36
37     /**
38      * @see org.springframework.aop.framework.adapter.AdvisorAdapter#getInterceptor
39      */
40     public Interceptor getInterceptor(Advisor advisor) {
41         MethodBeforeAdvice advice = (MethodBeforeAdvice) advisor.getAdvice();
42         return new MethodBeforeAdviceInterceptor(advice) ;
43     }
44
45 }
46
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