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