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This commit is contained in:
Juergen Hoeller
2018-07-18 14:27:16 +02:00
parent cab35aa788
commit 5fcfe0fa8e
6 changed files with 42 additions and 28 deletions
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32
spring-aop/src/main/java/org/springframework/aop/framework/DefaultAdvisorChainFactory.java
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@@ -1,5 +1,5 @@
/*
* Copyright 2002-2016 the original author or authors.
* Copyright 2002-2018 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.
@@ -27,11 +27,11 @@ import org.aopalliance.intercept.MethodInterceptor;
import org.springframework.aop.Advisor;
import org.springframework.aop.IntroductionAdvisor;
import org.springframework.aop.IntroductionAwareMethodMatcher;
import org.springframework.aop.MethodMatcher;
import org.springframework.aop.PointcutAdvisor;
import org.springframework.aop.framework.adapter.AdvisorAdapterRegistry;
import org.springframework.aop.framework.adapter.GlobalAdvisorAdapterRegistry;
import org.springframework.aop.support.MethodMatchers;
import org.springframework.lang.Nullable;
/**
@@ -53,19 +53,30 @@ public class DefaultAdvisorChainFactory implements AdvisorChainFactory, Serializ
// This is somewhat tricky... We have to process introductions first,
// but we need to preserve order in the ultimate list.
List<Object> interceptorList = new ArrayList<>(config.getAdvisors().length);
Class<?> actualClass = (targetClass != null ? targetClass : method.getDeclaringClass());
boolean hasIntroductions = hasMatchingIntroductions(config, actualClass);
AdvisorAdapterRegistry registry = GlobalAdvisorAdapterRegistry.getInstance();
Advisor[] advisors = config.getAdvisors();
List<Object> interceptorList = new ArrayList<>(advisors.length);
Class<?> actualClass = (targetClass != null ? targetClass : method.getDeclaringClass());
Boolean hasIntroductions = null;
for (Advisor advisor : config.getAdvisors()) {
for (Advisor advisor : advisors) {
if (advisor instanceof PointcutAdvisor) {
// Add it conditionally.
PointcutAdvisor pointcutAdvisor = (PointcutAdvisor) advisor;
if (config.isPreFiltered() || pointcutAdvisor.getPointcut().getClassFilter().matches(actualClass)) {
MethodInterceptor[] interceptors = registry.getInterceptors(advisor);
MethodMatcher mm = pointcutAdvisor.getPointcut().getMethodMatcher();
if (MethodMatchers.matches(mm, method, actualClass, hasIntroductions)) {
boolean match;
if (mm instanceof IntroductionAwareMethodMatcher) {
if (hasIntroductions == null) {
hasIntroductions = hasMatchingIntroductions(advisors, actualClass);
}
match = ((IntroductionAwareMethodMatcher) mm).matches(method, targetClass, hasIntroductions);
}
else {
match = mm.matches(method, targetClass);
}
if (match) {
MethodInterceptor[] interceptors = registry.getInterceptors(advisor);
if (mm.isRuntime()) {
// Creating a new object instance in the getInterceptors() method
// isn't a problem as we normally cache created chains.
@@ -98,9 +109,8 @@ public class DefaultAdvisorChainFactory implements AdvisorChainFactory, Serializ
/**
* Determine whether the Advisors contain matching introductions.
*/
private static boolean hasMatchingIntroductions(Advised config, Class<?> actualClass) {
for (int i = 0; i < config.getAdvisors().length; i++) {
Advisor advisor = config.getAdvisors()[i];
private static boolean hasMatchingIntroductions(Advisor[] advisors, Class<?> actualClass) {
for (Advisor advisor : advisors) {
if (advisor instanceof IntroductionAdvisor) {
IntroductionAdvisor ia = (IntroductionAdvisor) advisor;
if (ia.getClassFilter().matches(actualClass)) {

21
spring-aop/src/main/java/org/springframework/aop/framework/adapter/AdvisorAdapterRegistry.java
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@@ -31,15 +31,15 @@ import org.springframework.aop.Advisor;
public interface AdvisorAdapterRegistry {
/**
* Return an Advisor wrapping the given advice.
* Return an {@link Advisor} wrapping the given advice.
* <p>Should by default at least support
* {@link org.aopalliance.intercept.MethodInterceptor},
* {@link org.springframework.aop.MethodBeforeAdvice},
* {@link org.springframework.aop.AfterReturningAdvice},
* {@link org.springframework.aop.ThrowsAdvice}.
* @param advice object that should be an advice
* @return an Advisor wrapping the given advice. Never returns {@code null}.
* If the advice parameter is an Advisor, return it.
* @param advice an object that should be an advice
* @return an Advisor wrapping the given advice (never {@code null};
* if the advice parameter is an Advisor, it is to be returned as-is)
* @throws UnknownAdviceTypeException if no registered advisor adapter
* can wrap the supposed advice
*/
@@ -48,21 +48,20 @@ public interface AdvisorAdapterRegistry {
/**
* Return an array of AOP Alliance MethodInterceptors to allow use of the
* given Advisor in an interception-based framework.
* <p>Don't worry about the pointcut associated with the Advisor,
* if it's a PointcutAdvisor: just return an interceptor.
* <p>Don't worry about the pointcut associated with the {@link Advisor}, if it is
* a {@link org.springframework.aop.PointcutAdvisor}: just return an interceptor.
* @param advisor the Advisor to find an interceptor for
* @return an array of MethodInterceptors to expose this Advisor's behavior
* @throws UnknownAdviceTypeException if the Advisor type is
* not understood by any registered AdvisorAdapter.
* not understood by any registered AdvisorAdapter
*/
MethodInterceptor[] getInterceptors(Advisor advisor) throws UnknownAdviceTypeException;
/**
* Register the given AdvisorAdapter. Note that it is not necessary to register
* Register the given {@link AdvisorAdapter}. Note that it is not necessary to register
* adapters for an AOP Alliance Interceptors or Spring Advices: these must be
* automatically recognized by an AdvisorAdapterRegistry implementation.
* @param adapter the AdvisorAdapter that understands a particular Advisor
* or Advice types
* automatically recognized by an {@code AdvisorAdapterRegistry} implementation.
* @param adapter an AdvisorAdapter that understands particular Advisor or Advice types
*/
void registerAdvisorAdapter(AdvisorAdapter adapter);