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NacosRegistryFactory.java
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NacosRegistryFactory.java
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/*
* 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 com.alibaba.dubbo.registry.nacos;
import com.alibaba.dubbo.common.URL;
import com.alibaba.dubbo.common.utils.StringUtils;
import com.alibaba.dubbo.registry.Registry;
import com.alibaba.dubbo.registry.RegistryFactory;
import com.alibaba.dubbo.registry.support.AbstractRegistryFactory;
import com.alibaba.nacos.api.NacosFactory;
import com.alibaba.nacos.api.exception.NacosException;
import com.alibaba.nacos.api.naming.NamingService;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import java.util.Properties;
import static com.alibaba.dubbo.common.Constants.BACKUP_KEY;
import static com.alibaba.nacos.api.PropertyKeyConst.ACCESS_KEY;
import static com.alibaba.nacos.api.PropertyKeyConst.CLUSTER_NAME;
import static com.alibaba.nacos.api.PropertyKeyConst.ENDPOINT;
import static com.alibaba.nacos.api.PropertyKeyConst.NAMESPACE;
import static com.alibaba.nacos.api.PropertyKeyConst.SECRET_KEY;
import static com.alibaba.nacos.api.PropertyKeyConst.SERVER_ADDR;
import static com.alibaba.nacos.client.naming.utils.UtilAndComs.NACOS_NAMING_LOG_NAME;
/**
* Nacos {@link RegistryFactory}
*
* @since 2.6.6
*/
public class NacosRegistryFactory extends AbstractRegistryFactory {
private final Logger logger = LoggerFactory.getLogger(getClass());
protected Registry createRegistry(URL url) {
return new NacosRegistry(url, buildNamingService(url));
}
private NamingService buildNamingService(URL url) {
Properties nacosProperties = buildNacosProperties(url);
NamingService namingService = null;
try {
namingService = NacosFactory.createNamingService(nacosProperties);
} catch (NacosException e) {
if (logger.isErrorEnabled()) {
logger.error(e.getErrMsg(), e);
}
throw new IllegalStateException(e);
}
return namingService;
}
private Properties buildNacosProperties(URL url) {
Properties properties = new Properties();
setServerAddr(url, properties);
setProperties(url, properties);
return properties;
}
private void setServerAddr(URL url, Properties properties) {
StringBuilder serverAddrBuilder =
new StringBuilder(url.getHost()) // Host
.append(":")
.append(url.getPort()); // Port
// Append backup parameter as other servers
String backup = url.getParameter(BACKUP_KEY);
if (backup != null) {
serverAddrBuilder.append(",").append(backup);
}
String serverAddr = serverAddrBuilder.toString();
properties.put(SERVER_ADDR, serverAddr);
}
private void setProperties(URL url, Properties properties) {
putPropertyIfAbsent(url, properties, NAMESPACE);
putPropertyIfAbsent(url, properties, NACOS_NAMING_LOG_NAME);
putPropertyIfAbsent(url, properties, ENDPOINT);
putPropertyIfAbsent(url, properties, NAMESPACE);
putPropertyIfAbsent(url, properties, ACCESS_KEY);
putPropertyIfAbsent(url, properties, SECRET_KEY);
putPropertyIfAbsent(url, properties, CLUSTER_NAME);
}
private void putPropertyIfAbsent(URL url, Properties properties, String propertyName) {
String propertyValue = url.getParameter(propertyName);
if (StringUtils.isNotEmpty(propertyValue)) {
properties.setProperty(propertyName, propertyValue);
}
}
}