spring AspectJAfterThrowingAdvice 源码
spring AspectJAfterThrowingAdvice 代码
文件路径：/spring-aop/src/main/java/org/springframework/aop/aspectj/AspectJAfterThrowingAdvice.java
/*
* Copyright 2002-2020 the original author or authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* https://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.springframework.aop.aspectj;
import java.io.Serializable;
import java.lang.reflect.Method;
import org.aopalliance.intercept.MethodInterceptor;
import org.aopalliance.intercept.MethodInvocation;
import org.springframework.aop.AfterAdvice;
import org.springframework.lang.Nullable;
/**
* Spring AOP advice wrapping an AspectJ after-throwing advice method.
*
* @author Rod Johnson
* @since 2.0
*/
@SuppressWarnings("serial")
public class AspectJAfterThrowingAdvice extends AbstractAspectJAdvice
implements MethodInterceptor, AfterAdvice, Serializable {
public AspectJAfterThrowingAdvice(
Method aspectJBeforeAdviceMethod, AspectJExpressionPointcut pointcut, AspectInstanceFactory aif) {
super(aspectJBeforeAdviceMethod, pointcut, aif);
}
@Override
public boolean isBeforeAdvice() {
return false;
}
@Override
public boolean isAfterAdvice() {
return true;
}
@Override
public void setThrowingName(String name) {
setThrowingNameNoCheck(name);
}
@Override
@Nullable
public Object invoke(MethodInvocation mi) throws Throwable {
try {
return mi.proceed();
}
catch (Throwable ex) {
if (shouldInvokeOnThrowing(ex)) {
invokeAdviceMethod(getJoinPointMatch(), null, ex);
}
throw ex;
}
}
/**
* In AspectJ semantics, after throwing advice that specifies a throwing clause
* is only invoked if the thrown exception is a subtype of the given throwing type.
*/
private boolean shouldInvokeOnThrowing(Throwable ex) {
return getDiscoveredThrowingType().isAssignableFrom(ex.getClass());
}
}
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