DefaultAdvisorAutoProxyCreator.java 文件源码

@Override
public Object postProcessAfterInitialization(Object bean, String beanName) throws Exception {

    if (Advice.class.isAssignableFrom(bean.getClass()) || Pointcut.class.isAssignableFrom(bean.getClass())
            || Advisor.class.isAssignableFrom(bean.getClass())
            || MethodInterceptor.class.isAssignableFrom(bean.getClass())) {
        return bean;
    }

    List<DefaultPointcutAdvisor> defaultPointcutAdvisors = beanFactory
            .getBeansForType(DefaultPointcutAdvisor.class);
    for (DefaultPointcutAdvisor advisor : defaultPointcutAdvisors) {
        if (advisor.getPointcut().getClassFilter().matches(bean.getClass())) {
            ProxyFactory advisedSupport = new ProxyFactory();
            advisedSupport.setMethodInterceptor((MethodInterceptor) advisor.getAdvice());
            advisedSupport.setMethodMatcher(advisor.getPointcut().getmethodMatcher());
            advisedSupport
                    .setTargetSource(new TargetSource(bean.getClass(), bean.getClass().getInterfaces(), bean));
            return advisedSupport.getProxy();
        }
    }
    return null;
}