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


1 /*
2  * Copyright 2002-2007 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 java.io.Serializable JavaDoc;
20
21 import org.aopalliance.intercept.MethodInterceptor;
22 import org.aopalliance.intercept.MethodInvocation;
23
24 import org.springframework.aop.AfterAdvice;
25 import org.springframework.aop.AfterReturningAdvice;
26 import org.springframework.util.Assert;
27
28 /**
29  * Interceptor to wrap am {@link org.springframework.aop.AfterReturningAdvice}.
30  * Used internally by the AOP framework; application developers should not need
31  * to use this class directly.
32  *
33  * @author Rod Johnson
34  */
35 public class AfterReturningAdviceInterceptor implements MethodInterceptor, AfterAdvice, Serializable JavaDoc {
36
37     private final AfterReturningAdvice advice;
38
39
40     /**
41      * Create a new AfterReturningAdviceInterceptor for the given advice.
42      * @param advice the AfterReturningAdvice to wrap
43      */
44     public AfterReturningAdviceInterceptor(AfterReturningAdvice advice) {
45         Assert.notNull(advice, "Advice must not be null");
46         this.advice = advice;
47     }
48
49     public Object JavaDoc invoke(MethodInvocation mi) throws Throwable JavaDoc {
50         Object JavaDoc retVal = mi.proceed();
51         this.advice.afterReturning(retVal, mi.getMethod(), mi.getArguments(), mi.getThis());
52         return retVal;
53     }
54
55 }
56
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