update nacos config properties , content-type to file-extension

spring-cloud-alibaba-examples/nacos-example/nacos-config-example/readme-zh.md

@@ -112,7 +112,7 @@ Nacos Client 从 Nacos Server 端获取数据时，调用的是此接口 `Config
 
 在 Nacos Config Starter 中，dataId 的拼接格式如下
 
-	${prefix} - ${spring.active.profile} . ${content-type}
+	${prefix} - ${spring.active.profile} . ${file-extension}
 
 * `prefix` 默认为 `spring.application.name` 的值，也可以通过配置项 `spring.cloud.nacos.config.prefix`来配置。
 
@@ -120,7 +120,7 @@ Nacos Client 从 Nacos Server 端获取数据时，调用的是此接口 `Config
 
 	**注意，当 activeprofile 为空时，对应的连接符 `-` 也将不存在，dataId 的拼接格式变成 `${prefix}`.`${context.type}`**
 
-* `content-type` 为配置内容的数据格式，可以通过配置项 `spring.cloud.nacos.config.content-type`来配置。
+* `file-extension` 为配置内容的数据格式，可以通过配置项 `spring.cloud.nacos.config.content-type`来配置。
 目前只支持 `properties` 类型。
 
 #### group
@@ -168,7 +168,7 @@ Spring Boot 2.x 可以通过访问 http://127.0.0.1:18084/actuator/nacos-config
 服务端地址|spring.cloud.nacos.config.server-addr||
 DataId前缀|spring.cloud.nacos.config.prefix||spring.application.name
 Group|spring.cloud.nacos.config.group|DEFAULT_GROUP|
-dataID后缀及数据格式|spring.cloud.nacos.config.content-type|properties|目前只支持 properties
+dataID后缀及数据格式|spring.cloud.nacos.config.file-extension|properties|目前只支持 properties
 配置内容的编码方式|spring.cloud.nacos.config.encode|UTF-8|配置的编码
 获取配置的超时时间|spring.cloud.nacos.config.timeout|3000|单位为 ms
 配置的命名空间|spring.cloud.nacos.config.namespace||常用场景之一是不同环境的配置的区分隔离，例如开发测试环境和生产环境的资源隔离等。

spring-cloud-alibaba-examples/nacos-example/nacos-config-example/readme.md

@@ -113,7 +113,7 @@ Nacos Client gets data from Nacos Server through this method. `ConfigService.get
 
 In Nacos Config Starter, the splicing format of dataId is as follows
 
-	${prefix} - ${spring.active.profile} . ${content-type}
+	${prefix} - ${spring.active.profile} . ${file-extension}
 
 * `prefix` default value is `spring.application.name` value, which can also be configured via the configuration item `spring.cloud.nacos.config.prefix`.
 
@@ -121,7 +121,7 @@ In Nacos Config Starter, the splicing format of dataId is as follows
 
 	**Note: when the activeprofile is empty, the corresponding connector `-` will also not exist, and the splicing format of the dataId becomes `${prefix}`.`${context.type}`**
 
-* `content-type` is the data format of the configuration content, which can be configured by the configuration item `spring.cloud.nacos.config.content-type`.
+* `file-extension` is the data format of the configuration content, which can be configured by the configuration item `spring.cloud.nacos.config.content-type`.
 Currently only the `properties` type is supported.
 
 #### group
@@ -172,7 +172,7 @@ Configuration item|key|default value|Description
 server address|spring.cloud.nacos.config.server-addr||
 DataId prefix|spring.cloud.nacos.config.prefix||spring.application.name
 Group|spring.cloud.nacos.config.group|DEFAULT_GROUP|
-dataID content type|spring.cloud.nacos.config.content-type|properties|currently only support properties
+dataID suffix|spring.cloud.nacos.config.file-extension|properties|the suffix of nacos config dataId, also the file extension of config content.
 encoding |spring.cloud.nacos.config.encode|UTF-8|Content encoding
 timeout|spring.cloud.nacos.config.timeout|3000|Get the configuration timeout period,unit is ms
 namespace|spring.cloud.nacos.config.namespace||One of the common scenarios is the separation of the configuration of different environments, such as the development of the test environment and the resource isolation of the production environment.

spring-cloud-alibaba-nacos-config/src/main/java/org/springframework/cloud/alibaba/nacos/NacosConfigProperties.java

@@ -49,9 +49,9 @@ public class NacosConfigProperties {
 	 */
 	private String prefix;
 	/**
-	 * the content type of nacos config content.
+	 * the suffix of nacos config dataId, also the file extension of config content.
 	 */
-	private String contentType = "properties";
+	private String fileExtension = "properties";
 
 	/**
 	 * timeout for get config from nacos.
@@ -59,7 +59,8 @@ public class NacosConfigProperties {
 	private int timeout = 3000;
 
 	/**
-	 *  endpoint for Nacos, the domain name of a service, through which the server address can be dynamically obtained.
+	 * endpoint for Nacos, the domain name of a service, through which the server address
+	 * can be dynamically obtained.
 	 */
 	private String endpoint;
 
@@ -88,7 +89,7 @@ public class NacosConfigProperties {
 	 */
 	private String clusterName;
 
-	//todo sts support
+	// todo sts support
 
 	public String getServerAddr() {
 		return serverAddr;
@@ -106,12 +107,12 @@ public class NacosConfigProperties {
 		this.prefix = prefix;
 	}
 
-	public String getContentType() {
-		return contentType;
+	public String getFileExtension() {
+		return fileExtension;
 	}
 
-	public void setContentType(String contentType) {
-		this.contentType = contentType;
+	public void setFileExtension(String fileExtension) {
+		this.fileExtension = fileExtension;
 	}
 
 	public String getGroup() {
@@ -188,50 +189,52 @@ public class NacosConfigProperties {
 
 	@Override
 	public String toString() {
-		return "NacosConfigProperties{" +
-			"serverAddr='" + serverAddr + '\'' +
-			", encode='" + encode + '\'' +
-			", group='" + group + '\'' +
-			", prefix='" + prefix + '\'' +
-			", contentType='" + contentType + '\'' +
-			", timeout=" + timeout +
-			", endpoint='" + endpoint + '\'' +
-			", namespace='" + namespace + '\'' +
-			", accessKey='" + accessKey + '\'' +
-			", secretKey='" + secretKey + '\'' +
-			", contextPath='" + contextPath + '\'' +
-			", clusterName='" + clusterName + '\'' +
-			'}';
+		return "NacosConfigProperties{" + "serverAddr='" + serverAddr + '\''
+				+ ", encode='" + encode + '\'' + ", group='" + group + '\'' + ", prefix='"
+				+ prefix + '\'' + ", fileExtension='" + fileExtension + '\''
+				+ ", timeout=" + timeout + ", endpoint='" + endpoint + '\''
+				+ ", namespace='" + namespace + '\'' + ", accessKey='" + accessKey + '\''
+				+ ", secretKey='" + secretKey + '\'' + ", contextPath='" + contextPath
+				+ '\'' + ", clusterName='" + clusterName + '\'' + '}';
 	}
 
-	public void overrideFromEnv(Environment env){
+	public void overrideFromEnv(Environment env) {
 
-		if(StringUtils.isEmpty(this.getServerAddr())) {
-			this.setServerAddr(env.resolvePlaceholders("${spring.cloud.nacos.config.server-addr:}"));
+		if (StringUtils.isEmpty(this.getServerAddr())) {
+			this.setServerAddr(
+					env.resolvePlaceholders("${spring.cloud.nacos.config.server-addr:}"));
 		}
-		if(StringUtils.isEmpty(this.getEncode())) {
-			this.setEncode(env.resolvePlaceholders("${spring.cloud.nacos.config.encode:}"));
+		if (StringUtils.isEmpty(this.getEncode())) {
+			this.setEncode(
+					env.resolvePlaceholders("${spring.cloud.nacos.config.encode:}"));
 		}
-		if(StringUtils.isEmpty(this.getNamespace())) {
-			this.setNamespace(env.resolvePlaceholders("${spring.cloud.nacos.config.namespace:}"));
+		if (StringUtils.isEmpty(this.getNamespace())) {
+			this.setNamespace(
+					env.resolvePlaceholders("${spring.cloud.nacos.config.namespace:}"));
 		}
-		if(StringUtils.isEmpty(this.getAccessKey())) {
-			this.setAccessKey(env.resolvePlaceholders("${spring.cloud.nacos.config.access-key:}"));
+		if (StringUtils.isEmpty(this.getAccessKey())) {
+			this.setAccessKey(
+					env.resolvePlaceholders("${spring.cloud.nacos.config.access-key:}"));
 		}
-		if(StringUtils.isEmpty(this.getSecretKey())) {
-			this.setSecretKey(env.resolvePlaceholders("${spring.cloud.nacos.config.secret-key:}"));
+		if (StringUtils.isEmpty(this.getSecretKey())) {
+			this.setSecretKey(
+					env.resolvePlaceholders("${spring.cloud.nacos.config.secret-key:}"));
 		}
-		if(StringUtils.isEmpty(this.getContextPath())) {
-			this.setContextPath(env.resolvePlaceholders("${spring.cloud.nacos.config.context-path:}"));
+		if (StringUtils.isEmpty(this.getContextPath())) {
+			this.setContextPath(env
+					.resolvePlaceholders("${spring.cloud.nacos.config.context-path:}"));
 		}
-		if(StringUtils.isEmpty(this.getClusterName())) {
-			this.setClusterName(env.resolvePlaceholders("${spring.cloud.nacos.config.cluster-name:}"));
+		if (StringUtils.isEmpty(this.getClusterName())) {
+			this.setClusterName(env
+					.resolvePlaceholders("${spring.cloud.nacos.config.cluster-name:}"));
 		}
-		if(StringUtils.isEmpty(this.getEndpoint())) {
-			this.setEndpoint(env.resolvePlaceholders("${spring.cloud.nacos.config.endpoint:}"));
+		if (StringUtils.isEmpty(this.getEndpoint())) {
+			this.setEndpoint(
+					env.resolvePlaceholders("${spring.cloud.nacos.config.endpoint:}"));
 		}
-		if(StringUtils.isEmpty(this.getPrefix())) {
-			this.setPrefix(env.resolvePlaceholders("${spring.cloud.nacos.config.prefix:}"));
+		if (StringUtils.isEmpty(this.getPrefix())) {
+			this.setPrefix(
+					env.resolvePlaceholders("${spring.cloud.nacos.config.prefix:}"));
 		}
 	}
 }

spring-cloud-alibaba-nacos-config/src/main/java/org/springframework/cloud/alibaba/nacos/client/NacosPropertySourceBuilder.java

@@ -69,15 +69,15 @@ public class NacosPropertySourceBuilder {
 	 * @param dataId Nacos dataId
 	 * @param group Nacos group
 	 */
-	NacosPropertySource build(String dataId, String group, String contentType) {
-		Properties p = loadNacosData(dataId, group, contentType);
+	NacosPropertySource build(String dataId, String group, String fileExtension) {
+		Properties p = loadNacosData(dataId, group, fileExtension);
 		if (p == null) {
 			return null;
 		}
 		return new NacosPropertySource(dataId, propertiesToMap(p), new Date());
 	}
 
-	private Properties loadNacosData(String dataId, String group, String contentType) {
+	private Properties loadNacosData(String dataId, String group, String fileExtension) {
 		String data = null;
 		try {
 			data = configService.getConfig(dataId, group, timeout);

spring-cloud-alibaba-nacos-config/src/main/java/org/springframework/cloud/alibaba/nacos/client/NacosPropertySourceLocator.java

@@ -16,7 +16,6 @@
 
 package org.springframework.cloud.alibaba.nacos.client;
 
-
 import java.util.Properties;
 
 import org.slf4j.Logger;
@@ -81,10 +80,11 @@ public class NacosPropertySourceLocator implements PropertySourceLocator {
 		Properties properties = getPropertiesFromEnv(env);
 
 		try {
-			configService =  NacosFactory.createConfigService(properties);
+			configService = NacosFactory.createConfigService(properties);
 		}
 		catch (NacosException e) {
-			logger.error("create config service error, nacosConfigProperties:{}, ", properties, e);
+			logger.error("create config service error, nacosConfigProperties:{}, ",
+					properties, e);
 			return null;
 		}
 
@@ -96,7 +96,8 @@ public class NacosPropertySourceLocator implements PropertySourceLocator {
 			return null;
 		}
 		long timeout = nacosConfigProperties.getTimeout();
-		nacosPropertySourceBuilder = new NacosPropertySourceBuilder(configService, timeout);
+		nacosPropertySourceBuilder = new NacosPropertySourceBuilder(configService,
+				timeout);
 
 		String applicationName = env.getProperty("spring.application.name");
 		logger.info("Initialize spring.application.name '" + applicationName + "'.");
@@ -107,32 +108,34 @@ public class NacosPropertySourceLocator implements PropertySourceLocator {
 			dataIdPrefix = applicationName;
 		}
 
-		String contentType = nacosConfigProperties.getContentType();
+		String fileExtension = nacosConfigProperties.getFileExtension();
 
 		CompositePropertySource composite = new CompositePropertySource(
 				NACOS_PROPERTY_SOURCE_NAME);
 
-		loadApplicationConfiguration(composite, env, nacosGroup, dataIdPrefix, contentType);
+		loadApplicationConfiguration(composite, env, nacosGroup, dataIdPrefix,
+				fileExtension);
 
 		return composite;
 	}
 
 	private void loadApplicationConfiguration(
 			CompositePropertySource compositePropertySource, Environment environment,
-			String nacosGroup, String dataIdPrefix, String contentType) {
-		loadNacosDataIfPresent(compositePropertySource, dataIdPrefix + DOT + contentType,
-				nacosGroup, contentType);
+			String nacosGroup, String dataIdPrefix, String fileExtension) {
+		loadNacosDataIfPresent(compositePropertySource,
+				dataIdPrefix + DOT + fileExtension, nacosGroup, fileExtension);
 		for (String profile : environment.getActiveProfiles()) {
-			String dataId = dataIdPrefix + SEP1 + profile + DOT + contentType;
+			String dataId = dataIdPrefix + SEP1 + profile + DOT + fileExtension;
 			loadNacosDataIfPresent(compositePropertySource, dataId, nacosGroup,
-					contentType);
+					fileExtension);
 		}
 		// todo multi profile active order and priority
 	}
 
 	private void loadNacosDataIfPresent(final CompositePropertySource composite,
-			final String dataId, final String group,String contentType) {
-		NacosPropertySource ps = nacosPropertySourceBuilder.build(dataId, group, contentType);
+			final String dataId, final String group, String fileExtension) {
+		NacosPropertySource ps = nacosPropertySourceBuilder.build(dataId, group,
+				fileExtension);
 		if (ps != null) {
 			composite.addFirstPropertySource(ps);
 		}

spring-cloud-alibaba-nacos-config/src/main/resources/META-INF/additional-spring-configuration-metadata.json

@@ -9,12 +9,12 @@
     "name": "spring.cloud.nacos.config.prefix",
     "type": "java.lang.String",
     "defaultValue": "${spring.application.name}",
-    "description": "the prefix of dataId, nacos config data meta info. dataId = prefix + '-' + ${spring.active.profile} + `-` + ${spring.cloud.nacos.config.content-type}."
+    "description": "the prefix of dataId, nacos config data meta info. dataId = prefix + '-' + ${spring.active.profile} + `.` + ${spring.cloud.nacos.config.file-extension}."
   },
   {
-    "name": "spring.cloud.nacos.config.content-type",
+    "name": "spring.cloud.nacos.config.file-extension",
     "type": "java.lang.String",
     "defaultValue": "properties",
-    "description": "the content type of nacos config content, only support properties now."
+    "description": "the suffix of nacos config dataId, also the file extension of config content, only support properties now."
   }
 ]}

spring-cloud-alibaba-nacos-config/src/main/resources/META-INF/spring.factories

@@ -4,4 +4,4 @@ org.springframework.boot.autoconfigure.EnableAutoConfiguration=\
 org.springframework.cloud.alibaba.nacos.NacosConfigAutoConfiguration,\
 org.springframework.cloud.alibaba.nacos.endpoint.NacosConfigEndpointAutoConfiguration
 org.springframework.boot.diagnostics.FailureAnalyzer=\
-org.springframework.cloud.alibaba.nacos..analyzer.NacosConnectionFailureAnalyzerdiagnostics
+org.springframework.cloud.alibaba.nacos.diagnostics.analyzer.NacosConnectionFailureAnalyzer

spring-cloud-alibaba-nacos-config/src/test/java/org/springframework/cloud/alibaba/nacos/NacosConfigAutoConfigurationTests.java

@@ -72,7 +72,7 @@ public class NacosConfigAutoConfigurationTests {
         }
 
         NacosConfigProperties nacosConfigProperties = this.context.getBean(NacosConfigProperties.class);
-        assertThat(nacosConfigProperties.getContentType()).isEqualTo("properties");
+        assertThat(nacosConfigProperties.getFileExtension()).isEqualTo("properties");
         assertThat(nacosConfigProperties.getPrefix()).isEqualTo("myapp");
 
     }