package top.infra.web.servlet.handler;
   
   import org.springframework.web.servlet.config.annotation.InterceptorRegistry;
   import org.springframework.web.servlet.config.annotation.WebMvcConfigurerAdapter;
   
   import java.util.Comparator;
   import java.util.List;
   
   /**
   * Created by zhuowan on 2018/5/15 15:28.
   * Description:
   */
  public abstract class OrderedHandlerInterceptorWebMvcConfigureAdapter extends WebMvcConfigurerAdapter {
  
      private static Comparator<OrderedHandlerInterceptor<?>> comparator() {
          return Comparator.comparingInt(i -> i.getInterceptor().getOrder());
      }
  
      public abstract List<OrderedHandlerInterceptor<?>> addOrderedInterceptors();
  
      @Override
      public void addInterceptors(final InterceptorRegistry registry) {
          final List<OrderedHandlerInterceptor<?>> interceptors = this.addOrderedInterceptors();
          interceptors
              .stream()
              .sorted(comparator())
              .forEach(i -> registry.addInterceptor(i.getInterceptor()).addPathPatterns(i.getPatterns()));
      }
  }