content: /*
   * Copyright 2013-2023 the original author or authors.
   *
   * 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
   *
   *      https://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.cloud.sentinel;
  
  import java.util.Optional;
  
  import com.alibaba.csp.sentinel.adapter.spring.webmvc_v6x.SentinelWebInterceptor;
  import org.slf4j.Logger;
  import org.slf4j.LoggerFactory;
  
  import org.springframework.beans.factory.annotation.Autowired;
  import org.springframework.web.servlet.config.annotation.InterceptorRegistry;
  import org.springframework.web.servlet.config.annotation.WebMvcConfigurer;
  
  /**
   * @author chao.wu
   */
  public class SentinelWebMvcConfigurer implements WebMvcConfigurer {
  
  	private static final Logger log = LoggerFactory
  			.getLogger(SentinelWebMvcConfigurer.class);
  
  	@Autowired
  	private SentinelProperties sentinelProperties;
  
  	@Autowired
  	private Optional<SentinelWebInterceptor> sentinelWebInterceptorOptional;
  
  	@Override
  	public void addInterceptors(InterceptorRegistry registry) {
  		if (!sentinelWebInterceptorOptional.isPresent()) {
  			return;
  		}
  		SentinelProperties.Filter filterConfig = sentinelProperties.getFilter();
  		registry.addInterceptor(sentinelWebInterceptorOptional.get())
  				.order(filterConfig.getOrder())
  				.addPathPatterns(filterConfig.getUrlPatterns());
  		log.info(
  				"[Sentinel Starter] register SentinelWebInterceptor with urlPatterns: {}.",
  				filterConfig.getUrlPatterns());
  	}
  
  }
  