content: /*
   * Copyright 1999-2019 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
   *
   *      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.csp.sentinel.adapter.gateway.zuul2.api;
  
  import java.util.Collections;
  import java.util.HashSet;
  import java.util.Map;
  import java.util.Set;
  import java.util.concurrent.ConcurrentHashMap;
  
  import com.alibaba.csp.sentinel.adapter.gateway.common.api.ApiDefinition;
  import com.alibaba.csp.sentinel.adapter.gateway.zuul2.api.matcher.HttpRequestMessageApiMatcher;
  
  /**
   * @author wavesZh
   * @since 1.7.2
   */
  public final class ZuulGatewayApiMatcherManager {
  
      private static final Map<String, HttpRequestMessageApiMatcher> API_MATCHER_MAP = new ConcurrentHashMap<>();
  
      public static Map<String, HttpRequestMessageApiMatcher> getApiMatcherMap() {
          return Collections.unmodifiableMap(API_MATCHER_MAP);
      }
  
      public static HttpRequestMessageApiMatcher getMatcher(final String apiName) {
          if (apiName == null) {
              return null;
          }
          return API_MATCHER_MAP.get(apiName);
      }
  
      public static Set<ApiDefinition> getApiDefinitionSet() {
          Set<ApiDefinition> set = new HashSet<>();
          for (HttpRequestMessageApiMatcher matcher : API_MATCHER_MAP.values()) {
              set.add(matcher.getApiDefinition());
          }
          return set;
      }
  
      static synchronized void loadApiDefinitions(/*@Valid*/ Set<ApiDefinition> definitions) {
          if (definitions == null || definitions.isEmpty()) {
              API_MATCHER_MAP.clear();
              return;
          }
          for (ApiDefinition definition : definitions) {
              addApiDefinition(definition);
          }
      }
  
      static void addApiDefinition(ApiDefinition definition) {
          API_MATCHER_MAP.put(definition.getApiName(), new HttpRequestMessageApiMatcher(definition));
      }
  
      private ZuulGatewayApiMatcherManager() {}
  }
  