liubao68 commented on a change in pull request #1405: 【SCB-1615】Extended dynamic configuration support for Nacos URL: https://github.com/apache/servicecomb-java-chassis/pull/1405#discussion_r350519738
########## File path: dynamic-config/config-nacos/src/main/java/org/apache/servicecomb/config/client/NacosClient.java ########## @@ -0,0 +1,150 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed with + * this work for additional information regarding copyright ownership. + * The ASF licenses this file to You 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 + * + * http://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 org.apache.servicecomb.config.client; + +import static org.apache.servicecomb.config.client.ConfigurationAction.CREATE; +import static org.apache.servicecomb.config.client.ConfigurationAction.DELETE; +import static org.apache.servicecomb.config.client.ConfigurationAction.SET; + +import java.io.IOException; +import java.util.HashMap; +import java.util.Map; +import java.util.Properties; +import java.util.concurrent.*; + +import com.alibaba.nacos.api.NacosFactory; +import com.alibaba.nacos.api.config.ConfigService; +import com.alibaba.nacos.api.config.listener.Listener; +import org.apache.servicecomb.config.archaius.sources.NacosConfigurationSourceImpl.UpdateHandler; +import org.apache.servicecomb.foundation.common.utils.JsonUtils; +import org.slf4j.Logger; +import org.slf4j.LoggerFactory; +import org.springframework.web.client.RestTemplate; + +import com.fasterxml.jackson.core.type.TypeReference; + +public class NacosClient { + + private static final Logger LOGGER = LoggerFactory.getLogger(NacosClient.class); + + private static final NacosConfig NACOS_CONFIG = NacosConfig.INSTANCE; + + private static final Map<String, Object> originalConfigMap = new ConcurrentHashMap<>(); + + private final String serverAddr = NACOS_CONFIG.getServerAddr(); + + private final String dataId = NACOS_CONFIG.getDataId(); + + private final String group = NACOS_CONFIG.getGroup(); + + private final UpdateHandler updateHandler; + + public NacosClient(UpdateHandler updateHandler) { + this.updateHandler = updateHandler; + } + + public void refreshNacosConfig() { + new ConfigRefresh(serverAddr, dataId, group).refreshConfig(); + } + + class ConfigRefresh { + private final String serverAddr; + private final String dataId; + private final String group; + ConfigRefresh(String serverAddr,String dataId,String group) { + this.serverAddr = serverAddr; + this.dataId = dataId; + this.group = group; + } + + @SuppressWarnings("unchecked") + void refreshConfig() { + Properties properties = new Properties(); + properties.put("serverAddr",serverAddr); + properties.put("dataId",dataId); + properties.put("group",group); + try{ + ConfigService configService = NacosFactory.createConfigService(properties); + String content = configService.getConfig(dataId, group, 5000); + Map<String, Object> body = JsonUtils.OBJ_MAPPER.readValue(content, + new TypeReference<Map<String, Object>>() { + }); + refreshConfigItems(body); + configService.addListener(dataId, group, new Listener() { + @Override + public void receiveConfigInfo(String configInfo) { + LOGGER.info("receive from nacos:"+configInfo); + try { + Map<String, Object> body = JsonUtils.OBJ_MAPPER.readValue(configInfo, + new TypeReference<Map<String, Object>>() { + }); + refreshConfigItems(body); + } catch (IOException e) { + LOGGER.error("JsonObject parse config center response error: ", e); + } + } + @Override + public Executor getExecutor() { + return null; + } + }); + }catch (Exception e){ + LOGGER.error("Receive nacos config error: ", e); + } Review comment: 有少量代码没有正确格式化（比如空格等），可以使用IDE自动格式化一下。 格式化模板在servicecomb的 etc 目录。 里面包含了eclipse, IDEA等IDE的格式化模板。 ---------------------------------------------------------------- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. For queries about this service, please contact Infrastructure at: [email protected] With regards, Apache Git Services
