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/*
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* Tencent is pleased to support the open source community by making Spring Cloud Tencent available.
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*
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* Copyright (C) 2019 THL A29 Limited, a Tencent company. All rights reserved.
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*
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* Licensed under the BSD 3-Clause License (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* https://opensource.org/licenses/BSD-3-Clause
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*
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* Unless required by applicable law or agreed to in writing, software distributed
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* under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR
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* CONDITIONS OF ANY KIND, either express or implied. See the License for the
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* specific language governing permissions and limitations under the License.
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*
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*/
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package com.tencent.cloud.ratelimit.example.service.caller;
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import java.util.HashMap;
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import java.util.Map;
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import javax.servlet.http.HttpServletRequest;
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import com.tencent.cloud.polaris.ratelimit.spi.PolarisRateLimiterLabelServletResolver;
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import org.springframework.beans.factory.annotation.Value;
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import org.springframework.stereotype.Component;
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/**
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* resolver custom label from request.
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*
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* @author atom
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*/
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@Component
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public class CustomLabelResolver implements PolarisRateLimiterLabelServletResolver {
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@Value("${label.key-value:}")
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private String[] keyValues;
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@Override
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public Map<String, String> resolve(HttpServletRequest request) {
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// rate limit by some request params. such as query params, headers ..
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return getLabels(keyValues);
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}
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static Map<String, String> getLabels(String[] keyValues) {
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Map<String, String> labels = new HashMap<>();
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for (String kv : keyValues) {
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String key = kv.substring(0, kv.indexOf(":"));
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String value = kv.substring(kv.indexOf(":"));
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labels.put(key, value);
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}
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return labels;
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}
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}
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@ -1,46 +0,0 @@
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/*
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* Tencent is pleased to support the open source community by making Spring Cloud Tencent available.
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*
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* Copyright (C) 2019 THL A29 Limited, a Tencent company. All rights reserved.
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*
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* Licensed under the BSD 3-Clause License (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* https://opensource.org/licenses/BSD-3-Clause
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*
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* Unless required by applicable law or agreed to in writing, software distributed
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* under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR
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* CONDITIONS OF ANY KIND, either express or implied. See the License for the
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* specific language governing permissions and limitations under the License.
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*/
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package com.tencent.cloud.ratelimit.example.service.caller;
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import java.util.Map;
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import com.tencent.cloud.polaris.ratelimit.spi.PolarisRateLimiterLabelReactiveResolver;
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import org.springframework.beans.factory.annotation.Value;
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import org.springframework.stereotype.Component;
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import org.springframework.web.server.ServerWebExchange;
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import static com.tencent.cloud.ratelimit.example.service.caller.CustomLabelResolver.getLabels;
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/**
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* resolver custom label from request.
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*
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* @author atom
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*/
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@Component
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public class CustomLabelResolverReactive implements PolarisRateLimiterLabelReactiveResolver {
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@Value("${label.key-value:}")
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private String[] keyValues;
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@Override
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public Map<String, String> resolve(ServerWebExchange exchange) {
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// rate limit by some request params. such as query params, headers ..
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return getLabels(keyValues);
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}
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}
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Reference in new issue