| /* |
| * 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.dubbo.admin.registry.metadata.impl; |
| |
| import org.apache.dubbo.admin.common.util.Constants; |
| import org.apache.dubbo.admin.registry.metadata.MetaDataCollector; |
| import org.apache.dubbo.common.URL; |
| import org.apache.dubbo.common.logger.Logger; |
| import org.apache.dubbo.common.logger.LoggerFactory; |
| import org.apache.dubbo.metadata.report.identifier.KeyTypeEnum; |
| import org.apache.dubbo.metadata.report.identifier.MetadataIdentifier; |
| |
| import com.alibaba.nacos.api.NacosFactory; |
| import com.alibaba.nacos.api.config.ConfigService; |
| import com.alibaba.nacos.api.exception.NacosException; |
| |
| import java.util.Properties; |
| |
| import static com.alibaba.nacos.api.PropertyKeyConst.SERVER_ADDR; |
| |
| public class NacosMetaDataCollector implements MetaDataCollector { |
| private static final Logger logger = LoggerFactory.getLogger(NacosMetaDataCollector.class); |
| private ConfigService configService; |
| private String group; |
| private URL url; |
| @Override |
| public void setUrl(URL url) { |
| this.url = url; |
| } |
| |
| @Override |
| public URL getUrl() { |
| return url; |
| } |
| |
| @Override |
| public void init() { |
| group = url.getParameter(Constants.GROUP_KEY, "DEFAULT_GROUP"); |
| |
| configService = buildConfigService(url); |
| } |
| |
| private ConfigService buildConfigService(URL url) { |
| Properties nacosProperties = buildNacosProperties(url); |
| try { |
| configService = NacosFactory.createConfigService(nacosProperties); |
| } catch (NacosException e) { |
| if (logger.isErrorEnabled()) { |
| logger.error(e.getErrMsg(), e); |
| } |
| throw new IllegalStateException(e); |
| } |
| return configService; |
| } |
| |
| private Properties buildNacosProperties(URL url) { |
| Properties properties = new Properties(); |
| setServerAddr(url, properties); |
| return properties; |
| } |
| |
| private void setServerAddr(URL url, Properties properties) { |
| |
| String serverAddr = url.getHost() + // Host |
| ":" + |
| url.getPort() // Port |
| ; |
| properties.put(SERVER_ADDR, serverAddr); |
| } |
| |
| @Override |
| public String getProviderMetaData(MetadataIdentifier key) { |
| return getMetaData(key); |
| } |
| |
| @Override |
| public String getConsumerMetaData(MetadataIdentifier key) { |
| return getMetaData(key); |
| } |
| |
| private String getMetaData(MetadataIdentifier identifier) { |
| try { |
| return configService.getConfig(identifier.getUniqueKey(KeyTypeEnum.UNIQUE_KEY), |
| group, 1000 * 10); |
| } catch (NacosException e) { |
| logger.warn("Failed to get " + identifier + " from nacos, cause: " + e.getMessage(), e); |
| } |
| return null; |
| } |
| } |