public interface BeanPostProcessor {Object postProcessBeforeInitialization(Object var1, String var2) throws BeansException;Object postProcessAfterInitialization(Object var1, String var2) throws BeansException;
}

    public Object applyBeanPostProcessorsBeforeInitialization(Object existingBean, String beanName) throws BeansException {Object result = existingBean;Iterator var4 = this.getBeanPostProcessors().iterator();do {if(!var4.hasNext()) {return result;}BeanPostProcessor beanProcessor = (BeanPostProcessor)var4.next();result = beanProcessor.postProcessBeforeInitialization(result, beanName);  // 前处理} while(result != null);return result;}public Object applyBeanPostProcessorsAfterInitialization(Object existingBean, String beanName) throws BeansException {Object result = existingBean;Iterator var4 = this.getBeanPostProcessors().iterator();do {if(!var4.hasNext()) {return result;}BeanPostProcessor beanProcessor = (BeanPostProcessor)var4.next();result = beanProcessor.postProcessAfterInitialization(result, beanName);// 后处理} while(result != null);return result;}

    protected Object initializeBean(final String beanName, final Object bean, RootBeanDefinition mbd) {if(System.getSecurityManager() != null) {AccessController.doPrivileged(new PrivilegedAction() {public Object run() {AbstractAutowireCapableBeanFactory.this.invokeAwareMethods(beanName, bean);return null;}}, this.getAccessControlContext());} else {this.invokeAwareMethods(beanName, bean);}Object wrappedBean = bean;if(mbd == null || !mbd.isSynthetic()) {wrappedBean = this.applyBeanPostProcessorsBeforeInitialization(bean, beanName); // 前处理}try {this.invokeInitMethods(beanName, wrappedBean, mbd);} catch (Throwable var6) {throw new BeanCreationException(mbd != null?mbd.getResourceDescription():null, beanName, "Invocation of init method failed", var6);}if(mbd == null || !mbd.isSynthetic()) {wrappedBean = this.applyBeanPostProcessorsAfterInitialization(wrappedBean, beanName);//  后处理}return wrappedBean;}