add java doc

spring-cloud-starter-tencent-polaris-circuitbreaker/src/main/java/com/tencent/cloud/polaris/circuitbreaker/PolarisResponseErrorHandler.java

@@ -22,7 +22,8 @@ import org.springframework.web.client.ResponseErrorHandler;
 /**
  * @author : wh
  * @date : 2022/6/21 19:12
- * @description:
+ * @description: errorHandler {@link ResponseErrorHandler}
  */
 public interface PolarisResponseErrorHandler extends ResponseErrorHandler {
+	 
 }

spring-cloud-starter-tencent-polaris-circuitbreaker/src/main/java/com/tencent/cloud/polaris/circuitbreaker/PolarisRestTemplateAutoConfiguration.java

@@ -30,7 +30,7 @@ import org.springframework.web.client.RestTemplate;
 /**
  * @author : wh
  * @date : 2022/6/21 21:34
- * @description:
+ * @description: Auto configuration PolarisRestTemplateAutoConfiguration
  */
 @ConditionalOnProperty(value = "spring.cloud.polaris.circuitbreaker.enabled",
 		havingValue = "true", matchIfMissing = true)
@@ -46,7 +46,7 @@ public class PolarisRestTemplateAutoConfiguration {
 
 	@Bean
 	@ConditionalOnBean(RestTemplate.class)
-	public PolarisRestTemplateBeanPostProcessor polarisRestTemplateBeanPostProcessor(PolarisRestTemplateResponseErrorHandler restTemplateResponseErrorHandler) {
+	public PolarisRestTemplateRegisterAutoConfiguration polarisRestTemplateBeanPostProcessor(PolarisRestTemplateResponseErrorHandler restTemplateResponseErrorHandler) {
-		return new PolarisRestTemplateBeanPostProcessor(restTemplateResponseErrorHandler);
+		return new PolarisRestTemplateRegisterAutoConfiguration(restTemplateResponseErrorHandler);
 	}
 }

spring-cloud-starter-tencent-polaris-circuitbreaker/src/main/java/com/tencent/cloud/polaris/circuitbreaker/PolarisRestTemplateRegisterAutoConfiguration.java

@@ -23,30 +23,26 @@ import org.springframework.context.ApplicationContext;
 import org.springframework.context.ApplicationContextAware;
 import org.springframework.web.client.RestTemplate;
 
-import java.util.Objects;
-
 /**
  * @author : wh
  * @date : 2022/6/21 21:20
- * @description:
+ * @description: auto configuration RestTemplate
  */
-public class PolarisRestTemplateBeanPostProcessor implements ApplicationContextAware, SmartInitializingSingleton {
+public class PolarisRestTemplateRegisterAutoConfiguration implements ApplicationContextAware, SmartInitializingSingleton {
 
 	private ApplicationContext applicationContext;
 
 	private final PolarisRestTemplateResponseErrorHandler polarisRestTemplateResponseErrorHandler;
 
-	public PolarisRestTemplateBeanPostProcessor(PolarisRestTemplateResponseErrorHandler polarisRestTemplateResponseErrorHandler) {
+	public PolarisRestTemplateRegisterAutoConfiguration(PolarisRestTemplateResponseErrorHandler polarisRestTemplateResponseErrorHandler) {
 		this.polarisRestTemplateResponseErrorHandler = polarisRestTemplateResponseErrorHandler;
 	}
 
 	@Override
 	public void afterSingletonsInstantiated() {
 		RestTemplate restTemplate = this.applicationContext.getBean(RestTemplate.class);
-		if (Objects.nonNull(restTemplate)) {
 		restTemplate.setErrorHandler(polarisRestTemplateResponseErrorHandler);
 	}
-	}
 
 	@Override
 	public void setApplicationContext(ApplicationContext applicationContext) throws BeansException {

spring-cloud-starter-tencent-polaris-circuitbreaker/src/main/java/com/tencent/cloud/polaris/circuitbreaker/PolarisRestTemplateResponseErrorHandler.java

@@ -39,7 +39,7 @@ import java.util.Objects;
 /**
  * @author : wh
  * @date : 2022/6/21 17:25
- * @description:
+ * @description: Extend ResponseErrorHandler to get request information
  */
 public class PolarisRestTemplateResponseErrorHandler implements ResponseErrorHandler {
 

spring-cloud-tencent-examples/polaris-circuitbreaker-example/polaris-circuitbreaker-example-a/src/main/java/com/tencent/cloud/polaris/circuitbreaker/example/ServiceA.java

@@ -18,9 +18,6 @@
 
 package com.tencent.cloud.polaris.circuitbreaker.example;
 
-import com.tencent.cloud.polaris.circuitbreaker.PolarisResponseErrorHandler;
-import com.tencent.polaris.api.core.ConsumerAPI;
-import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.boot.SpringApplication;
 import org.springframework.boot.autoconfigure.SpringBootApplication;
 import org.springframework.cloud.client.loadbalancer.LoadBalanced;
@@ -43,7 +40,7 @@ public class ServiceA {
 
 	@Bean
 	@LoadBalanced
-	public RestTemplate restTemplate(ConsumerAPI consumerAPI, @Autowired(required = false) PolarisResponseErrorHandler polarisResponseErrorHandler) {
+	public RestTemplate restTemplate() {
 		return new RestTemplate();
 	}