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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 org.apache.dubbo.registry.nacos;
import org.apache.dubbo.common.utils.StringUtils;
import com.alibaba.nacos.api.exception.NacosException;
import com.alibaba.nacos.api.naming.NamingService;
import com.alibaba.nacos.api.naming.listener.EventListener;
import com.alibaba.nacos.api.naming.pojo.Instance;
import com.alibaba.nacos.api.naming.pojo.ListView;
import java.util.List;
public class NacosNamingServiceWrapper {
private static final String INNERCLASS_SYMBOL = "$";
private static final String INNERCLASS_COMPATIBLE_SYMBOL = "___";
private final NamingService namingService;
public NacosNamingServiceWrapper(NamingService namingService) {
this.namingService = namingService;
}
public String getServerStatus() {
return namingService.getServerStatus();
}
public void subscribe(String serviceName, EventListener eventListener) throws NacosException {
namingService.subscribe(handleInnerSymbol(serviceName), eventListener);
}
public void subscribe(String serviceName, String group, EventListener eventListener) throws NacosException {
namingService.subscribe(handleInnerSymbol(serviceName), group, eventListener);
}
public void unsubscribe(String serviceName, String group, EventListener eventListener) throws NacosException {
namingService.unsubscribe(handleInnerSymbol(serviceName), group, eventListener);
}
public List getAllInstances(String serviceName, String group) throws NacosException {
return namingService.getAllInstances(handleInnerSymbol(serviceName), group);
}
public void registerInstance(String serviceName, String group, Instance instance) throws NacosException {
namingService.registerInstance(handleInnerSymbol(serviceName), group, instance);
}
public void deregisterInstance(String serviceName, String group, String ip, int port) throws NacosException {
namingService.deregisterInstance(handleInnerSymbol(serviceName), group, ip, port);
}
public void deregisterInstance(String serviceName, String group, Instance instance) throws NacosException {
namingService.deregisterInstance(handleInnerSymbol(serviceName), group, instance);
}
public ListView getServicesOfServer(int pageNo, int pageSize, String parameter) throws NacosException {
return namingService.getServicesOfServer(pageNo, pageSize, parameter);
}
public List selectInstances(String serviceName, boolean healthy) throws NacosException {
return namingService.selectInstances(handleInnerSymbol(serviceName), healthy);
}
public List selectInstances(String serviceName, String group, boolean healthy) throws NacosException {
return namingService.selectInstances(handleInnerSymbol(serviceName), group, healthy);
}
public void shutdown() throws NacosException {
this.namingService.shutDown();
}
/**
* see https://github.com/apache/dubbo/issues/7129
* nacos service name just support `0-9a-zA-Z-._:`, grpc interface is inner interface, need compatible.
*/
private String handleInnerSymbol(String serviceName) {
if (StringUtils.isEmpty(serviceName)) {
return null;
}
return serviceName.replace(INNERCLASS_SYMBOL, INNERCLASS_COMPATIBLE_SYMBOL);
}
}