refactor(nacos): Roll back to the original solution to solve the problem of compatibility

spring-cloud-alibaba-nacos-config/src/main/java/com/alibaba/cloud/nacos/NacosConfigAutoConfiguration.java

@@ -44,11 +44,6 @@ public class NacosConfigAutoConfiguration {
 		return new NacosConfigProperties();
 	}
 
-	@Bean
-	public NacosConfigManager nacosConfigManager() {
-		return new NacosConfigManager();
-	}
-
 	@Bean
 	public NacosRefreshProperties nacosRefreshProperties() {
 		return new NacosRefreshProperties();
@@ -61,11 +56,11 @@ public class NacosConfigAutoConfiguration {
 
 	@Bean
 	public NacosContextRefresher nacosContextRefresher(
-			NacosConfigManager nacosConfigManager,
+			NacosConfigProperties configProperties,
 			NacosRefreshProperties nacosRefreshProperties,
 			NacosRefreshHistory refreshHistory) {
 		return new NacosContextRefresher(nacosRefreshProperties, refreshHistory,
-				nacosConfigManager.getConfigService());
+				configProperties.configServiceInstance());
 	}
 
 }

spring-cloud-alibaba-nacos-config/src/main/java/com/alibaba/cloud/nacos/NacosConfigBootstrapConfiguration.java

@@ -37,16 +37,8 @@ public class NacosConfigBootstrapConfiguration {
 	}
 
 	@Bean
-	@ConditionalOnMissingBean
-	public NacosConfigManager nacosConfigManager() {
-		return new NacosConfigManager();
-	}
-
-	@Bean
-	public NacosPropertySourceLocator nacosPropertySourceLocator(
-			NacosConfigManager nacosConfigManager,
-			NacosConfigProperties nacosConfigProperties) {
-		return new NacosPropertySourceLocator(nacosConfigManager, nacosConfigProperties);
+	public NacosPropertySourceLocator nacosPropertySourceLocator(NacosConfigProperties nacosConfigProperties) {
+		return new NacosPropertySourceLocator(nacosConfigProperties);
 	}
 
 }

spring-cloud-alibaba-nacos-config/src/main/java/com/alibaba/cloud/nacos/NacosConfigManager.java

@@ -1,53 +0,0 @@
-/*
- * Copyright 2013-2018 the original author or authors.
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      https://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package com.alibaba.cloud.nacos;
-
-import java.util.Objects;
-
-import com.alibaba.cloud.nacos.diagnostics.analyzer.NacosConnectionFailureException;
-import com.alibaba.nacos.api.NacosFactory;
-import com.alibaba.nacos.api.config.ConfigService;
-import com.alibaba.nacos.api.exception.NacosException;
-
-import org.springframework.beans.factory.annotation.Autowired;
-
-/**
- * @author <a href="mailto:liaochunyhm@live.com">liaochuntao</a>
- */
-public class NacosConfigManager {
-
-	private static ConfigService service = null;
-
-	@Autowired
-	private NacosConfigProperties properties;
-
-	public ConfigService getConfigService() {
-		if (Objects.isNull(service)) {
-			try {
-				service = NacosFactory
-						.createConfigService(properties.getConfigServiceProperties());
-				properties.initConfigService(service);
-			}
-			catch (NacosException e) {
-				throw new NacosConnectionFailureException(properties.getServerAddr(),
-						e.getMessage(), e);
-			}
-		}
-		return service;
-	}
-
-}

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

@@ -22,7 +22,9 @@ import java.util.Properties;
 
 import javax.annotation.PostConstruct;
 
+import com.alibaba.nacos.api.NacosFactory;
 import com.alibaba.nacos.api.config.ConfigService;
+import com.alibaba.nacos.api.exception.NacosException;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
@@ -190,7 +192,7 @@ public class NacosConfigProperties {
 	 */
 	private List<Config> extConfig;
 
-	private ConfigService configService;
+	private static ConfigService configService;
 
 	// todo sts support
 
@@ -355,18 +357,21 @@ public class NacosConfigProperties {
 	}
 
 	/**
-	 * @see NacosConfigManager#getConfigService() .
 	 * @return ConfigService
 	 */
 	@Deprecated
 	public ConfigService configServiceInstance() {
+		if (null == configService) {
+			try {
+				configService = NacosFactory.createConfigService(getConfigServiceProperties());
+			} catch (NacosException e) {
+				log.error("create naming service error!properties={},e=,", this, e);
+				return null;
+			}
+		}
 		return configService;
 	}
 
-	public void initConfigService(ConfigService configService) {
-		this.configService = configService;
-	}
-
 	public Properties getConfigServiceProperties() {
 		Properties properties = new Properties();
 		properties.put(SERVER_ADDR, Objects.toString(this.serverAddr, ""));

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

@@ -18,7 +18,6 @@ package com.alibaba.cloud.nacos.client;
 
 import java.util.List;
 
-import com.alibaba.cloud.nacos.NacosConfigManager;
 import com.alibaba.cloud.nacos.NacosConfigProperties;
 import com.alibaba.cloud.nacos.NacosPropertySourceRepository;
 import com.alibaba.cloud.nacos.parser.NacosDataParserHandler;
@@ -57,18 +56,14 @@ public class NacosPropertySourceLocator implements PropertySourceLocator {
 
 	private NacosConfigProperties nacosConfigProperties;
 
-	private NacosConfigManager nacosConfigManager;
-
-	public NacosPropertySourceLocator(NacosConfigManager nacosConfigManager,
-			NacosConfigProperties nacosConfigProperties) {
-		this.nacosConfigManager = nacosConfigManager;
+	public NacosPropertySourceLocator(NacosConfigProperties nacosConfigProperties) {
 		this.nacosConfigProperties = nacosConfigProperties;
 	}
 
 	@Override
 	public PropertySource<?> locate(Environment env) {
 
-		ConfigService configService = nacosConfigManager.getConfigService();
+		ConfigService configService = nacosConfigProperties.configServiceInstance();
 
 		if (null == configService) {
 			log.warn("no instance of config service found, can't load config from nacos");

spring-cloud-alibaba-nacos-config/src/main/java/com/alibaba/cloud/nacos/endpoint/NacosConfigEndpointAutoConfiguration.java

@@ -16,7 +16,6 @@
 
 package com.alibaba.cloud.nacos.endpoint;
 
-import com.alibaba.cloud.nacos.NacosConfigManager;
 import com.alibaba.cloud.nacos.NacosConfigProperties;
 import com.alibaba.cloud.nacos.refresh.NacosRefreshHistory;
 
@@ -40,9 +39,6 @@ public class NacosConfigEndpointAutoConfiguration {
 	@Autowired
 	private NacosConfigProperties nacosConfigProperties;
 
-	@Autowired
-	private NacosConfigManager nacosConfigManager;
-
 	@Autowired
 	private NacosRefreshHistory nacosRefreshHistory;
 
@@ -55,7 +51,7 @@ public class NacosConfigEndpointAutoConfiguration {
 
 	@Bean
 	public NacosConfigHealthIndicator nacosConfigHealthIndicator() {
-		return new NacosConfigHealthIndicator(nacosConfigManager.getConfigService());
+		return new NacosConfigHealthIndicator(nacosConfigProperties.configServiceInstance());
 	}
 
 }