optimize router label resolver spi (#503)
lepdou
2 years ago
committed by
GitHub
parent
9bec0a25f3
commit
8eca6a4ac6
@ -0,0 +1,42 @@
|
||||
/*
|
||||
* Tencent is pleased to support the open source community by making Spring Cloud Tencent available.
|
||||
*
|
||||
* Copyright (C) 2019 THL A29 Limited, a Tencent company. All rights reserved.
|
||||
*
|
||||
* Licensed under the BSD 3-Clause License (the "License");
|
||||
* you may not use this file except in compliance with the License.
|
||||
* You may obtain a copy of the License at
|
||||
*
|
||||
* https://opensource.org/licenses/BSD-3-Clause
|
||||
*
|
||||
* 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.tencent.cloud.polaris.router.spi;
|
||||
|
||||
import java.util.Map;
|
||||
import java.util.Set;
|
||||
|
||||
import feign.RequestTemplate;
|
||||
|
||||
import org.springframework.core.Ordered;
|
||||
|
||||
/**
|
||||
* Router label resolver for feign request.
|
||||
* @author lepdou 2022-07-20
|
||||
*/
|
||||
public interface FeignRouterLabelResolver extends Ordered {
|
||||
|
||||
/**
|
||||
* Resolve labels from feign request. User can customize expression parser to extract labels.
|
||||
*
|
||||
* @param requestTemplate the feign request.
|
||||
* @param expressionLabelKeys the expression labels which are configured in router rule.
|
||||
* @return resolved labels
|
||||
*/
|
||||
Map<String, String> resolve(RequestTemplate requestTemplate, Set<String> expressionLabelKeys);
|
||||
}
|
||||
@ -0,0 +1,52 @@
|
||||
/*
|
||||
* Tencent is pleased to support the open source community by making Spring Cloud Tencent available.
|
||||
*
|
||||
* Copyright (C) 2019 THL A29 Limited, a Tencent company. All rights reserved.
|
||||
*
|
||||
* Licensed under the BSD 3-Clause License (the "License");
|
||||
* you may not use this file except in compliance with the License.
|
||||
* You may obtain a copy of the License at
|
||||
*
|
||||
* https://opensource.org/licenses/BSD-3-Clause
|
||||
*
|
||||
* 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.tencent.cloud.polaris.router.example;
|
||||
|
||||
import java.util.HashMap;
|
||||
import java.util.Map;
|
||||
import java.util.Set;
|
||||
|
||||
import com.google.gson.Gson;
|
||||
import com.tencent.cloud.polaris.router.spi.SpringWebRouterLabelResolver;
|
||||
|
||||
import org.springframework.http.HttpRequest;
|
||||
import org.springframework.stereotype.Component;
|
||||
|
||||
/**
|
||||
* Custom router label resolver for spring web request.
|
||||
* @author lepdou 2022-07-20
|
||||
*/
|
||||
@Component
|
||||
public class CustomSpringWebRouterLabelResolver implements SpringWebRouterLabelResolver {
|
||||
private final Gson gson = new Gson();
|
||||
|
||||
@Override
|
||||
public int getOrder() {
|
||||
return 0;
|
||||
}
|
||||
|
||||
@Override
|
||||
public Map<String, String> resolve(HttpRequest request, byte[] body, Set<String> expressionLabelKeys) {
|
||||
Map<String, String> labels = new HashMap<>();
|
||||
User user = gson.fromJson(new String(body), User.class);
|
||||
|
||||
labels.put("user", user.getName());
|
||||
return labels;
|
||||
}
|
||||
|
||||
}
|
||||
Loading…
Reference in new issue