code: @Override
  	public void setApplicationContext(ApplicationContext applicationContext) throws BeansException {
  		logger.debug("Inject ApplicationContext: {} into SpringContextsUtil", applicationContext);
  		SpringContextsUtil.applicationContext = applicationContext;
  	}
docs: 实现ApplicationContextAware接口的回调方法，设置上下文环境
  
  @param applicationContext
  @throws BeansException