format constatns UTF-8 (#313)

* format constatns UTF-8

* add update log

CHANGELOG.md

@@ -17,3 +17,4 @@
 - [fix:refactor to use text/html resolve chaos problem on rejectTips](https://github.com/Tencent/spring-cloud-tencent/pull/285)
 - [UT: add metadata-transfer unit test](https://github.com/Tencent/spring-cloud-tencent/pull/294)
 - [Feature:add restTemplate Report Polaris](https://github.com/Tencent/spring-cloud-tencent/pull/272)
+- [Use jdk constants instead of magic variables](https://github.com/Tencent/spring-cloud-tencent/pull/313)

spring-cloud-starter-tencent-metadata-transfer/src/main/java/com/tencent/cloud/metadata/core/DecodeTransferMetadataReactiveFilter.java

@@ -20,6 +20,7 @@ package com.tencent.cloud.metadata.core;
 
 import java.io.UnsupportedEncodingException;
 import java.net.URLDecoder;
+import java.nio.charset.StandardCharsets;
 import java.util.HashMap;
 import java.util.Map;
 
@@ -86,7 +87,7 @@ public class DecodeTransferMetadataReactiveFilter implements WebFilter, Ordered
 				.getFirst(MetadataConstant.HeaderName.CUSTOM_METADATA);
 		try {
 			if (StringUtils.hasText(customMetadataStr)) {
-				customMetadataStr = URLDecoder.decode(customMetadataStr, "UTF-8");
+				customMetadataStr = URLDecoder.decode(customMetadataStr, StandardCharsets.UTF_8.name());
 			}
 		}
 		catch (UnsupportedEncodingException e) {

spring-cloud-starter-tencent-metadata-transfer/src/main/java/com/tencent/cloud/metadata/core/DecodeTransferMetadataServletFilter.java

@@ -21,6 +21,7 @@ package com.tencent.cloud.metadata.core;
 import java.io.IOException;
 import java.io.UnsupportedEncodingException;
 import java.net.URLDecoder;
+import java.nio.charset.StandardCharsets;
 import java.util.HashMap;
 import java.util.Map;
 
@@ -78,7 +79,7 @@ public class DecodeTransferMetadataServletFilter extends OncePerRequestFilter {
 				.getHeader(MetadataConstant.HeaderName.CUSTOM_METADATA);
 		try {
 			if (StringUtils.hasText(customMetadataStr)) {
-				customMetadataStr = URLDecoder.decode(customMetadataStr, "UTF-8");
+				customMetadataStr = URLDecoder.decode(customMetadataStr, StandardCharsets.UTF_8.name());
 			}
 		}
 		catch (UnsupportedEncodingException e) {

spring-cloud-starter-tencent-metadata-transfer/src/main/java/com/tencent/cloud/metadata/core/EncodeTransferMedataFeignInterceptor.java

@@ -20,6 +20,7 @@ package com.tencent.cloud.metadata.core;
 
 import java.io.UnsupportedEncodingException;
 import java.net.URLEncoder;
+import java.nio.charset.StandardCharsets;
 import java.util.Map;
 
 import com.tencent.cloud.common.constant.MetadataConstant;
@@ -63,7 +64,7 @@ public class EncodeTransferMedataFeignInterceptor implements RequestInterceptor,
 			requestTemplate.removeHeader(CUSTOM_METADATA);
 			try {
 				requestTemplate.header(CUSTOM_METADATA,
-						URLEncoder.encode(encodedTransitiveMetadata, "UTF-8"));
+						URLEncoder.encode(encodedTransitiveMetadata, StandardCharsets.UTF_8.name()));
 			}
 			catch (UnsupportedEncodingException e) {
 				LOG.error("Set header failed.", e);

spring-cloud-starter-tencent-metadata-transfer/src/main/java/com/tencent/cloud/metadata/core/EncodeTransferMedataRestTemplateInterceptor.java

@@ -21,6 +21,7 @@ package com.tencent.cloud.metadata.core;
 import java.io.IOException;
 import java.io.UnsupportedEncodingException;
 import java.net.URLEncoder;
+import java.nio.charset.StandardCharsets;
 import java.util.Map;
 
 import com.tencent.cloud.common.constant.MetadataConstant;
@@ -60,7 +61,7 @@ public class EncodeTransferMedataRestTemplateInterceptor
 			String encodedTransitiveMetadata = JacksonUtils.serialize2Json(customMetadata);
 			try {
 				httpRequest.getHeaders().set(MetadataConstant.HeaderName.CUSTOM_METADATA,
-						URLEncoder.encode(encodedTransitiveMetadata, "UTF-8"));
+						URLEncoder.encode(encodedTransitiveMetadata, StandardCharsets.UTF_8.name()));
 			}
 			catch (UnsupportedEncodingException e) {
 				httpRequest.getHeaders().set(MetadataConstant.HeaderName.CUSTOM_METADATA,

spring-cloud-starter-tencent-metadata-transfer/src/main/java/com/tencent/cloud/metadata/core/EncodeTransferMedataScgFilter.java

@@ -20,6 +20,7 @@ package com.tencent.cloud.metadata.core;
 
 import java.io.UnsupportedEncodingException;
 import java.net.URLEncoder;
+import java.nio.charset.StandardCharsets;
 import java.util.Map;
 
 import com.tencent.cloud.common.constant.MetadataConstant;
@@ -70,7 +71,7 @@ public class EncodeTransferMedataScgFilter implements GlobalFilter, Ordered {
 			String metadataStr = JacksonUtils.serialize2Json(customMetadata);
 			try {
 				builder.header(MetadataConstant.HeaderName.CUSTOM_METADATA,
-						URLEncoder.encode(metadataStr, "UTF-8"));
+						URLEncoder.encode(metadataStr, StandardCharsets.UTF_8.name()));
 			}
 			catch (UnsupportedEncodingException e) {
 				builder.header(MetadataConstant.HeaderName.CUSTOM_METADATA, metadataStr);

spring-cloud-starter-tencent-metadata-transfer/src/main/java/com/tencent/cloud/metadata/core/EncodeTransferMetadataZuulFilter.java

@@ -20,6 +20,7 @@ package com.tencent.cloud.metadata.core;
 
 import java.io.UnsupportedEncodingException;
 import java.net.URLEncoder;
+import java.nio.charset.StandardCharsets;
 import java.util.Map;
 
 import com.netflix.zuul.ZuulFilter;
@@ -71,7 +72,7 @@ public class EncodeTransferMetadataZuulFilter extends ZuulFilter {
 			try {
 				requestContext.addZuulRequestHeader(
 						MetadataConstant.HeaderName.CUSTOM_METADATA,
-						URLEncoder.encode(metadataStr, "UTF-8"));
+						URLEncoder.encode(metadataStr, StandardCharsets.UTF_8.name()));
 			}
 			catch (UnsupportedEncodingException e) {
 				requestContext.addZuulRequestHeader(

spring-cloud-starter-tencent-metadata-transfer/src/test/java/com/tencent/cloud/metadata/core/filter/EncodeTransferMedataScgFilterTest.java

@@ -20,6 +20,7 @@ package com.tencent.cloud.metadata.core.filter;
 
 import java.io.UnsupportedEncodingException;
 import java.net.URLDecoder;
+import java.nio.charset.StandardCharsets;
 import java.util.Map;
 
 import com.tencent.cloud.common.constant.MetadataConstant;
@@ -64,7 +65,7 @@ public class EncodeTransferMedataScgFilterTest {
 		MockServerWebExchange exchange = MockServerWebExchange.from(builder);
 		filter.filter(exchange, chain);
 		String metadataStr = exchange.getRequest().getHeaders().getFirst(MetadataConstant.HeaderName.CUSTOM_METADATA);
-		String decode = URLDecoder.decode(metadataStr, "UTF-8");
+		String decode = URLDecoder.decode(metadataStr, StandardCharsets.UTF_8.name());
 		Map<String, String> transitiveMap = JacksonUtils.deserialize2Map(decode);
 		Assertions.assertThat(transitiveMap.size()).isEqualTo(1);
 		Assert.assertEquals(transitiveMap.get("b"), "2");

spring-cloud-starter-tencent-metadata-transfer/src/test/java/com/tencent/cloud/metadata/core/filter/EncodeTransferMetadataZuulFilterTest.java

@@ -20,6 +20,7 @@ package com.tencent.cloud.metadata.core.filter;
 
 import java.io.UnsupportedEncodingException;
 import java.net.URLDecoder;
+import java.nio.charset.StandardCharsets;
 import java.util.Map;
 
 import com.netflix.zuul.context.RequestContext;
@@ -70,7 +71,7 @@ public class EncodeTransferMetadataZuulFilterTest {
 		final RequestContext ctx = RequestContext.getCurrentContext();
 		Map<String, String> zuulRequestHeaders = ctx.getZuulRequestHeaders();
 		String metaData = zuulRequestHeaders.get(MetadataConstant.HeaderName.CUSTOM_METADATA.toLowerCase());
-		String decode = URLDecoder.decode(metaData, "UTF-8");
+		String decode = URLDecoder.decode(metaData, StandardCharsets.UTF_8.name());
 		Map<String, String> transitiveMap = JacksonUtils.deserialize2Map(decode);
 		Assertions.assertThat(transitiveMap.size()).isEqualTo(1);
 		Assert.assertEquals(transitiveMap.get("b"), "2");

spring-cloud-tencent-examples/polaris-gateway-example/gateway-callee-service/src/main/java/com/tencent/cloud/polaris/gateway/example/callee/GatewayCalleeController.java

@@ -19,6 +19,7 @@ package com.tencent.cloud.polaris.gateway.example.callee;
 
 import java.io.UnsupportedEncodingException;
 import java.net.URLDecoder;
+import java.nio.charset.StandardCharsets;
 
 import com.tencent.cloud.common.constant.MetadataConstant;
 import org.slf4j.Logger;
@@ -64,8 +65,8 @@ public class GatewayCalleeController {
 	public String echoHeader(
 			@RequestHeader(MetadataConstant.HeaderName.CUSTOM_METADATA) String metadataStr)
 			throws UnsupportedEncodingException {
-		LOG.info(URLDecoder.decode(metadataStr, "UTF-8"));
-		return URLDecoder.decode(metadataStr, "UTF-8");
+		LOG.info(URLDecoder.decode(metadataStr, StandardCharsets.UTF_8.name()));
+		return URLDecoder.decode(metadataStr, StandardCharsets.UTF_8.name());
 	}
 
 }

spring-cloud-tencent-examples/polaris-gateway-example/gateway-callee-service2/src/main/java/com/tencent/cloud/polaris/gateway/example/callee/GatewayCalleeController.java

@@ -19,6 +19,7 @@ package com.tencent.cloud.polaris.gateway.example.callee;
 
 import java.io.UnsupportedEncodingException;
 import java.net.URLDecoder;
+import java.nio.charset.StandardCharsets;
 
 import com.tencent.cloud.common.constant.MetadataConstant;
 import org.slf4j.Logger;
@@ -64,8 +65,8 @@ public class GatewayCalleeController {
 	public String echoHeader(
 			@RequestHeader(MetadataConstant.HeaderName.CUSTOM_METADATA) String metadataStr)
 			throws UnsupportedEncodingException {
-		LOG.info(URLDecoder.decode(metadataStr, "UTF-8"));
-		return URLDecoder.decode(metadataStr, "UTF-8");
+		LOG.info(URLDecoder.decode(metadataStr, StandardCharsets.UTF_8.name()));
+		return URLDecoder.decode(metadataStr, StandardCharsets.UTF_8.name());
 	}
 
 }