private ArrayList<Interceptor> getInterceptors() {
    Map<String, InterceptorHolder> interceptorMap =
        this.applicationContext.getBeansOfType(InterceptorHolder.class);
    if (interceptorMap != null && interceptorMap.size() > 0) {
      ArrayList<Interceptor> interceptors = new ArrayList<Interceptor>(interceptorMap.size());

      // 从Spring容器中获取Interceptor
      for (InterceptorHolder interceptorHolder : interceptorMap.values()) {
        interceptors.add(interceptorHolder.getInterceptor());
      }

      // 根据getOrder()值排序
      Collections.sort(
          interceptors,
          new Comparator<Interceptor>() {
            public int compare(Interceptor o1, Interceptor o2) {
              if (o1.getOrder() > o2.getOrder()) {
                return 1;
              } else if (o1.getOrder() < o2.getOrder()) {
                return -1;
              } else {
                return 0;
              }
            }
          });
      return interceptors;
    } else {
      return null;
    }
  }
  private ArrayList<RopEventListener> getListeners() {
    Map<String, RopEventListenerHodler> listenerMap =
        this.applicationContext.getBeansOfType(RopEventListenerHodler.class);
    if (listenerMap != null && listenerMap.size() > 0) {
      ArrayList<RopEventListener> ropEventListeners =
          new ArrayList<RopEventListener>(listenerMap.size());

      // 从Spring容器中获取Interceptor
      for (RopEventListenerHodler listenerHolder : listenerMap.values()) {
        ropEventListeners.add(listenerHolder.getRopEventListener());
      }
      return ropEventListeners;
    } else {
      return null;
    }
  }