shedfreewu
2 months ago
parent
0f79c5e36e
commit
cd099792cb
9
spring-cloud-tencent-rpc-enhancement/src/main/java/com/tencent/cloud/rpc/enhancement/instrument/resttemplate/EnhancedRestTemplateWrapInterceptor.java → spring-cloud-tencent-rpc-enhancement/src/main/java/com/tencent/cloud/rpc/enhancement/instrument/resttemplate/EnhancedRestTemplateBlockingLoadBalancerClientInterceptor.java
9
spring-cloud-tencent-rpc-enhancement/src/main/java/com/tencent/cloud/rpc/enhancement/instrument/resttemplate/EnhancedRestTemplateWrapInterceptor.java → spring-cloud-tencent-rpc-enhancement/src/main/java/com/tencent/cloud/rpc/enhancement/instrument/resttemplate/EnhancedRestTemplateBlockingLoadBalancerClientInterceptor.java
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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) 2021 Tencent. 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.rpc.enhancement.instrument.resttemplate;
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import java.io.IOException;
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import com.tencent.cloud.common.constant.OrderConstant;
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import com.tencent.cloud.rpc.enhancement.plugin.EnhancedPluginContext;
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import com.tencent.cloud.rpc.enhancement.plugin.EnhancedPluginRunner;
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import com.tencent.cloud.rpc.enhancement.plugin.EnhancedPluginType;
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import com.tencent.cloud.rpc.enhancement.util.EnhancedPluginUtils;
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import org.slf4j.Logger;
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import org.slf4j.LoggerFactory;
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import org.springframework.cloud.client.loadbalancer.LoadBalancerInterceptor;
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import org.springframework.core.Ordered;
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import org.springframework.http.HttpRequest;
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import org.springframework.http.client.ClientHttpRequestExecution;
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import org.springframework.http.client.ClientHttpRequestInterceptor;
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import org.springframework.http.client.ClientHttpResponse;
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import org.springframework.lang.NonNull;
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/**
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* Interceptor used for before calling plugin in RestTemplate.
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*
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* It needs to execute after {@link LoadBalancerInterceptor}, because LaneRouter may add calleeTransitiveHeaders.
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*
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* @author Haotian Zhang
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*/
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public class EnhancedRestTemplateInterceptor implements ClientHttpRequestInterceptor, Ordered {
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private static final Logger LOG = LoggerFactory.getLogger(EnhancedRestTemplateInterceptor.class);
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private final EnhancedPluginRunner pluginRunner;
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public EnhancedRestTemplateInterceptor(EnhancedPluginRunner pluginRunner) {
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this.pluginRunner = pluginRunner;
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}
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@Override
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public int getOrder() {
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return OrderConstant.Client.RestTemplate.ENHANCE_INTERCEPTOR_ORDER;
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}
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@Override
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public ClientHttpResponse intercept(@NonNull HttpRequest httpRequest, @NonNull byte[] bytes,
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@NonNull ClientHttpRequestExecution clientHttpRequestExecution) throws IOException {
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EnhancedPluginContext enhancedPluginContext = EnhancedPluginUtils.getEnhancedPluginContextFromMetadataContext();
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if (enhancedPluginContext != null) {
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pluginRunner.run(EnhancedPluginType.Client.BEFORE_CALLING, enhancedPluginContext);
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}
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else {
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LOG.debug("No exist enhanced plugin context, request:{}", httpRequest.getURI());
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}
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return clientHttpRequestExecution.execute(httpRequest, bytes);
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}
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}
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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) 2021 Tencent. 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.rpc.enhancement.util;
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import com.tencent.cloud.common.constant.ContextConstant;
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import com.tencent.cloud.common.metadata.MetadataContextHolder;
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import com.tencent.cloud.common.util.MetadataContextUtils;
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import com.tencent.cloud.rpc.enhancement.plugin.EnhancedPluginContext;
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import com.tencent.polaris.metadata.core.MetadataObjectValue;
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import com.tencent.polaris.metadata.core.MetadataType;
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/**
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* EnhancedPluginUtils.
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*
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* @author Shedfree Wu
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*/
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public final class EnhancedPluginUtils {
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private EnhancedPluginUtils() {
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}
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public static EnhancedPluginContext createEnhancedPluginContext() {
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EnhancedPluginContext context = new EnhancedPluginContext();
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MetadataContextUtils.putMetadataObjectValue(ContextConstant.ENHANCED_PLUGIN_CONTEXT, context);
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return context;
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}
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public static EnhancedPluginContext getEnhancedPluginContextFromMetadataContext() {
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MetadataObjectValue<EnhancedPluginContext> enhancedPluginContextObject = MetadataContextHolder.get().
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getMetadataContainer(MetadataType.APPLICATION, true).
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getMetadataValue(ContextConstant.ENHANCED_PLUGIN_CONTEXT);
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if (MetadataContextUtils.existMetadataValue(enhancedPluginContextObject)) {
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return enhancedPluginContextObject.getObjectValue().get();
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}
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return null;
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}
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}
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