content: /*
   * Copyright 1999-2023 Alibaba Group Holding Ltd.
   *
   * Licensed under the Apache License, Version 2.0 (the "License");
   * you may not use this file except in compliance with the License.
   * You may obtain a copy of the License at
   *
   *      http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS,
   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   * See the License for the specific language governing permissions and
   * limitations under the License.
   */
  
  package com.alibaba.nacos.naming.web;
  
  import com.alibaba.nacos.core.code.ControllerMethodsCache;
  import com.alibaba.nacos.core.web.NacosWebBean;
  import org.springframework.boot.web.servlet.FilterRegistrationBean;
  import org.springframework.context.annotation.Bean;
  import org.springframework.context.annotation.Configuration;
  
  import javax.annotation.PostConstruct;
  
  /**
   * Naming spring configuration.
   *
   * @author nkorange
   */
  @Configuration
  @NacosWebBean
  public class NamingConfig {
      
      private static final String URL_PATTERNS = "/v1/ns/*";
      
      private static final String URL_PATTERNS_V2 = "/v2/ns/*";
      
      private static final String DISTRO_FILTER = "distroFilter";
      
      private static final String SERVICE_NAME_FILTER = "serviceNameFilter";
      
      private static final String TRAFFIC_REVISE_FILTER = "trafficReviseFilter";
      
      private static final String CLIENT_ATTRIBUTES_FILTER = "clientAttributes_filter";
      
      private final ControllerMethodsCache methodsCache;
      
      public NamingConfig(ControllerMethodsCache methodsCache) {
          this.methodsCache = methodsCache;
      }
      
      @PostConstruct
      public void init() {
          methodsCache.initClassMethod("com.alibaba.nacos.naming.controllers");
      }
      
      @Bean
      public FilterRegistrationBean<DistroFilter> distroFilterRegistration() {
          FilterRegistrationBean<DistroFilter> registration = new FilterRegistrationBean<>();
          registration.setFilter(distroFilter());
          registration.addUrlPatterns(URL_PATTERNS);
          registration.setName(DISTRO_FILTER);
          registration.setOrder(7);
          return registration;
      }
      
      @Bean
      public FilterRegistrationBean<ServiceNameFilter> serviceNameFilterRegistration() {
          FilterRegistrationBean<ServiceNameFilter> registration = new FilterRegistrationBean<>();
          registration.setFilter(serviceNameFilter());
          registration.addUrlPatterns(URL_PATTERNS);
          registration.setName(SERVICE_NAME_FILTER);
          registration.setOrder(5);
          return registration;
      }
      
      @Bean
      public FilterRegistrationBean<TrafficReviseFilter> trafficReviseFilterRegistration() {
          FilterRegistrationBean<TrafficReviseFilter> registration = new FilterRegistrationBean<>();
          registration.setFilter(trafficReviseFilter());
          registration.addUrlPatterns(URL_PATTERNS);
          registration.setName(TRAFFIC_REVISE_FILTER);
          registration.setOrder(1);
          return registration;
      }
      
      @Bean
      public FilterRegistrationBean<ClientAttributesFilter> clientAttributesFilterRegistration() {
          FilterRegistrationBean<ClientAttributesFilter> registration = new FilterRegistrationBean<>();
          registration.setFilter(clientAttributesFilter());
          registration.addUrlPatterns(URL_PATTERNS, URL_PATTERNS_V2);
          registration.setName(CLIENT_ATTRIBUTES_FILTER);
          registration.setOrder(8);
          return registration;
      }
      
      @Bean
      public DistroFilter distroFilter() {
          return new DistroFilter();
      }
      
      @Bean
      public TrafficReviseFilter trafficReviseFilter() {
          return new TrafficReviseFilter();
      }
      
      @Bean
      public ServiceNameFilter serviceNameFilter() {
          return new ServiceNameFilter();
      }
      
      @Bean
      public ClientAttributesFilter clientAttributesFilter() {
          return new ClientAttributesFilter();
      }
  }
  