Spring 扩展 -Aware

public class SelfAware {}
/** * 参考：org.springframework.context.support.ApplicationContextAwareProcessor */class MyAwareProcessor implements BeanPostProcessor {
   private final ConfigurableApplicationContext applicationContext;
   public MyAwareProcessor(ConfigurableApplicationContext applicationContext) {      this.applicationContext = applicationContext;   }
   @Override   public Object postProcessBeforeInitialization(Object bean, String beanName) throws BeansException {      ((ApplicationContextAware) bean).setApplicationContext(this.applicationContext);      return bean;   }
}