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spring-cloud-tencent
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Optimize: add EncodeTransferMedataRestTemplateInterceptor to RestTemp… (#434)

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pull/442/head
DerekYRC 2 years ago committed by GitHub
parent 8f0971efcd
commit 31354f1ff4
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3 changed files with 65 additions and 65 deletions
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1
CHANGELOG.md
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@ -4,3 +4,4 @@
- [Bugfix: optimize ratelimit actuator](https://github.com/Tencent/spring-cloud-tencent/pull/413)
- [Feature: add rate limit filter debug log](https://github.com/Tencent/spring-cloud-tencent/pull/417)
- [Feature: add feature-env plugin & add spring cloud gateway staining plugin](https://github.com/Tencent/spring-cloud-tencent/pull/428)
- [Optimize: add EncodeTransferMedataRestTemplateInterceptor to RestTemplate](https://github.com/Tencent/spring-cloud-tencent/pull/434)

74
spring-cloud-starter-tencent-metadata-transfer/src/main/java/com/tencent/cloud/metadata/config/MetadataTransferAutoConfiguration.java
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@ -18,8 +18,9 @@
package com.tencent.cloud.metadata.config;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
import java.util.Map;
import com.netflix.zuul.ZuulFilter;
import com.tencent.cloud.common.constant.MetadataConstant;
@ -30,18 +31,15 @@ import com.tencent.cloud.metadata.core.EncodeTransferMedataRestTemplateIntercept
import com.tencent.cloud.metadata.core.EncodeTransferMedataScgFilter;
import com.tencent.cloud.metadata.core.EncodeTransferMetadataZuulFilter;
import org.springframework.beans.BeansException;
import org.springframework.beans.factory.config.BeanPostProcessor;
import org.springframework.beans.factory.SmartInitializingSingleton;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.boot.autoconfigure.condition.ConditionalOnClass;
import org.springframework.boot.autoconfigure.condition.ConditionalOnWebApplication;
import org.springframework.boot.web.servlet.FilterRegistrationBean;
import org.springframework.cloud.gateway.filter.GlobalFilter;
import org.springframework.context.ApplicationContext;
import org.springframework.context.ApplicationContextAware;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.http.client.ClientHttpRequestInterceptor;
import org.springframework.util.CollectionUtils;
import org.springframework.web.client.RestTemplate;
import static javax.servlet.DispatcherType.ASYNC;
@ -143,9 +141,10 @@ public class MetadataTransferAutoConfiguration {
*/
@Configuration(proxyBeanMethods = false)
@ConditionalOnClass(name = "org.springframework.web.client.RestTemplate")
protected static class MetadataTransferRestTemplateConfig implements ApplicationContextAware {
protected static class MetadataTransferRestTemplateConfig {
private ApplicationContext context;
@Autowired(required = false)
private List<RestTemplate> restTemplates = Collections.emptyList();
@Bean
public EncodeTransferMedataRestTemplateInterceptor encodeTransferMedataRestTemplateInterceptor() {
@ -153,59 +152,12 @@ public class MetadataTransferAutoConfiguration {
}
@Bean
BeanPostProcessor encodeTransferMetadataRestTemplatePostProcessor(
EncodeTransferMedataRestTemplateInterceptor encodeTransferMedataRestTemplateInterceptor) {
// Coping with multiple bean injection scenarios
Map<String, RestTemplate> beans = this.context.getBeansOfType(RestTemplate.class);
// If the restTemplate has been created when the
// MetadataRestTemplatePostProcessor Bean
// is initialized, then manually set the interceptor.
if (!CollectionUtils.isEmpty(beans)) {
for (RestTemplate restTemplate : beans.values()) {
List<ClientHttpRequestInterceptor> interceptors = restTemplate.getInterceptors();
// Avoid setting interceptor repeatedly.
if (!interceptors.contains(encodeTransferMedataRestTemplateInterceptor)) {
interceptors.add(encodeTransferMedataRestTemplateInterceptor);
restTemplate.setInterceptors(interceptors);
}
}
}
return new EncodeTransferMetadataRestTemplatePostProcessor(encodeTransferMedataRestTemplateInterceptor);
}
@Override
public void setApplicationContext(ApplicationContext applicationContext) throws BeansException {
this.context = applicationContext;
}
public static class EncodeTransferMetadataRestTemplatePostProcessor
implements BeanPostProcessor {
private final EncodeTransferMedataRestTemplateInterceptor encodeTransferMedataRestTemplateInterceptor;
EncodeTransferMetadataRestTemplatePostProcessor(
EncodeTransferMedataRestTemplateInterceptor encodeTransferMedataRestTemplateInterceptor) {
this.encodeTransferMedataRestTemplateInterceptor = encodeTransferMedataRestTemplateInterceptor;
}
@Override
public Object postProcessBeforeInitialization(Object bean, String beanName) {
return bean;
}
@Override
public Object postProcessAfterInitialization(Object bean, String beanName) {
if (bean instanceof RestTemplate) {
RestTemplate restTemplate = (RestTemplate) bean;
List<ClientHttpRequestInterceptor> interceptors = restTemplate.getInterceptors();
// Avoid setting interceptor repeatedly.
if (!interceptors.contains(encodeTransferMedataRestTemplateInterceptor)) {
interceptors.add(this.encodeTransferMedataRestTemplateInterceptor);
restTemplate.setInterceptors(interceptors);
}
}
return bean;
}
public SmartInitializingSingleton addEncodeTransferMedataInterceptorForRestTemplate(EncodeTransferMedataRestTemplateInterceptor interceptor) {
return () -> restTemplates.forEach(restTemplate -> {
List<ClientHttpRequestInterceptor> list = new ArrayList<>(restTemplate.getInterceptors());
list.add(interceptor);
restTemplate.setInterceptors(list);
});
}
}
}

55
spring-cloud-starter-tencent-metadata-transfer/src/test/java/com/tencent/cloud/metadata/config/MetadataTransferAutoConfigurationTest.java
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@ -18,6 +18,12 @@
package com.tencent.cloud.metadata.config;
import java.util.Arrays;
import java.util.List;
import java.util.Map;
import java.util.Objects;
import java.util.stream.Collectors;
import com.tencent.cloud.metadata.core.EncodeTransferMedataFeignInterceptor;
import com.tencent.cloud.metadata.core.EncodeTransferMedataRestTemplateInterceptor;
import com.tencent.cloud.metadata.core.EncodeTransferMetadataZuulFilter;
@ -26,7 +32,12 @@ import org.junit.Test;
import org.springframework.boot.autoconfigure.AutoConfigurations;
import org.springframework.boot.test.context.runner.ApplicationContextRunner;
import org.springframework.cloud.client.loadbalancer.LoadBalanced;
import org.springframework.cloud.gateway.filter.GlobalFilter;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.http.client.ClientHttpRequestInterceptor;
import org.springframework.web.client.RestTemplate;
/**
* Test for {@link MetadataTransferAutoConfiguration}.
@ -54,10 +65,6 @@ public class MetadataTransferAutoConfigurationTest {
MetadataTransferAutoConfiguration.MetadataTransferRestTemplateConfig.class);
Assertions.assertThat(context).hasSingleBean(
EncodeTransferMedataRestTemplateInterceptor.class);
Assertions.assertThat(context).hasSingleBean(
MetadataTransferAutoConfiguration
.MetadataTransferRestTemplateConfig
.EncodeTransferMetadataRestTemplatePostProcessor.class);
Assertions.assertThat(context).hasSingleBean(
MetadataTransferAutoConfiguration.MetadataTransferZuulFilterConfig.class);
Assertions.assertThat(context)
@ -67,4 +74,44 @@ public class MetadataTransferAutoConfigurationTest {
Assertions.assertThat(context).hasSingleBean(GlobalFilter.class);
});
}
@Test
public void test2() {
this.applicationContextRunner
.withConfiguration(
AutoConfigurations.of(MetadataTransferAutoConfiguration.class, RestTemplateConfiguration.class))
.run(context -> {
Assertions.assertThat(context)
.hasSingleBean(EncodeTransferMedataFeignInterceptor.class);
EncodeTransferMedataRestTemplateInterceptor encodeTransferMedataRestTemplateInterceptor = context.getBean(EncodeTransferMedataRestTemplateInterceptor.class);
Map<String, RestTemplate> restTemplateMap = context.getBeansOfType(RestTemplate.class);
Assertions.assertThat(restTemplateMap.size()).isEqualTo(2);
for (String beanName : Arrays.asList("restTemplate", "loadBalancedRestTemplate")) {
RestTemplate restTemplate = restTemplateMap.get(beanName);
Assertions.assertThat(restTemplate).isNotNull();
List<ClientHttpRequestInterceptor> encodeTransferMedataFeignInterceptorList = restTemplate.getInterceptors()
.stream()
.filter(interceptor -> Objects.equals(interceptor, encodeTransferMedataRestTemplateInterceptor))
.collect(Collectors.toList());
//EncodeTransferMedataFeignInterceptor is not added repeatedly
Assertions.assertThat(encodeTransferMedataFeignInterceptorList.size()).isEqualTo(1);
}
});
}
@Configuration
static class RestTemplateConfiguration {
@Bean
public RestTemplate restTemplate() {
return new RestTemplate();
}
@LoadBalanced
@Bean
public RestTemplate loadBalancedRestTemplate() {
return new RestTemplate();
}
}
}

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