/* * 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.sc.api; import java.util.Collections; import java.util.Map; import java.util.Optional; import java.util.Set; import java.util.concurrent.ConcurrentHashMap; import java.util.stream.Collectors; import com.alibaba.csp.sentinel.adapter.gateway.common.api.ApiDefinition; import com.alibaba.csp.sentinel.adapter.gateway.sc.api.matcher.WebExchangeApiMatcher; /** * @author Eric Zhao * @since 1.6.0 */ public final class GatewayApiMatcherManager { private static final Map<String, WebExchangeApiMatcher> API_MATCHER_MAP = new ConcurrentHashMap<>(); public static Map<String, WebExchangeApiMatcher> getApiMatcherMap() { return Collections.unmodifiableMap(API_MATCHER_MAP); } public static Optional<WebExchangeApiMatcher> getMatcher(final String apiName) { return Optional.ofNullable(apiName) .map(e -> API_MATCHER_MAP.get(apiName)); } public static Set<ApiDefinition> getApiDefinitionSet() { return API_MATCHER_MAP.values() .stream() .map(WebExchangeApiMatcher::getApiDefinition) .collect(Collectors.toSet()); } static synchronized void loadApiDefinitions(/*@Valid*/ Set<ApiDefinition> definitions) { if (definitions == null || definitions.isEmpty()) { API_MATCHER_MAP.clear(); return; } definitions.forEach(GatewayApiMatcherManager::addApiDefinition); } static void addApiDefinition(ApiDefinition definition) { API_MATCHER_MAP.put(definition.getApiName(), new WebExchangeApiMatcher(definition)); } private GatewayApiMatcherManager() {} }