content: /*
   * Copyright 2013-2023 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.registry;
  
  import com.alibaba.cloud.commons.lang.StringUtils;
  import com.alibaba.cloud.nacos.event.NacosDiscoveryInfoChangedEvent;
  import org.slf4j.Logger;
  import org.slf4j.LoggerFactory;
  
  import org.springframework.cloud.client.serviceregistry.AbstractAutoServiceRegistration;
  import org.springframework.cloud.client.serviceregistry.AutoServiceRegistrationProperties;
  import org.springframework.cloud.client.serviceregistry.Registration;
  import org.springframework.cloud.client.serviceregistry.ServiceRegistry;
  import org.springframework.context.event.EventListener;
  import org.springframework.util.Assert;
  
  /**
   * @author xiaojing
   * @author <a href="mailto:mercyblitz@gmail.com">Mercy</a>
   */
  public class NacosAutoServiceRegistration
  		extends AbstractAutoServiceRegistration<Registration> {
  
  	private static final Logger log = LoggerFactory
  			.getLogger(NacosAutoServiceRegistration.class);
  
  	private NacosRegistration registration;
  
  	public NacosAutoServiceRegistration(ServiceRegistry<Registration> serviceRegistry,
  			AutoServiceRegistrationProperties autoServiceRegistrationProperties,
  			NacosRegistration registration) {
  		super(serviceRegistry, autoServiceRegistrationProperties);
  		this.registration = registration;
  	}
  
  	@Deprecated
  	public void setPort(int port) {
  		getPort().set(port);
  	}
  
  	@Override
  	protected NacosRegistration getRegistration() {
  		if (this.registration.getPort() < 0 && this.getPort().get() > 0) {
  			this.registration.setPort(this.getPort().get());
  		}
  		Assert.isTrue(this.registration.getPort() > 0, "service.port has not been set");
  		return this.registration;
  	}
  
  	@Override
  	protected NacosRegistration getManagementRegistration() {
  		return null;
  	}
  
  	@Override
  	protected void register() {
  		if (!this.registration.getNacosDiscoveryProperties().isRegisterEnabled()) {
  			log.debug("Registration disabled.");
  			return;
  		}
  		if (this.registration.getPort() < 0) {
  			this.registration.setPort(getPort().get());
  		}
  		super.register();
  	}
  
  	@Override
  	protected void registerManagement() {
  		if (!this.registration.getNacosDiscoveryProperties().isRegisterEnabled()) {
  			return;
  		}
  		super.registerManagement();
  
  	}
  
  	@Override
  	protected Object getConfiguration() {
  		return this.registration.getNacosDiscoveryProperties();
  	}
  
  	@Override
  	protected boolean isEnabled() {
  		return this.registration.getNacosDiscoveryProperties().isRegisterEnabled();
  	}
  
  	@Override
  	@SuppressWarnings("deprecation")
  	protected String getAppName() {
  		String appName = registration.getNacosDiscoveryProperties().getService();
  		return StringUtils.isEmpty(appName) ? super.getAppName() : appName;
  	}
  
  	@EventListener
  	public void onNacosDiscoveryInfoChangedEvent(NacosDiscoveryInfoChangedEvent event) {
  		restart();
  	}
  
  	private void restart() {
  		this.stop();
  		this.start();
  	}
  }
  