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.endpoint;
  
  import com.alibaba.nacos.api.config.ConfigService;
  
  import org.springframework.boot.actuate.health.AbstractHealthIndicator;
  import org.springframework.boot.actuate.health.Health;
  import org.springframework.boot.actuate.health.HealthIndicator;
  
  /**
   * The {@link HealthIndicator} for Nacos Config.
   *
   * @author xiaojing
   * @author <a href="mailto:mercyblitz@gmail.com">Mercy</a>
   */
  public class NacosConfigHealthIndicator extends AbstractHealthIndicator {
  
  	private final ConfigService configService;
  
  	/**
  	 * status up .
  	 */
  	private final String STATUS_UP = "UP";
  
  	/**
  	 * status down .
  	 */
  	private final String STATUS_DOWN = "DOWN";
  
  	public NacosConfigHealthIndicator(ConfigService configService) {
  		this.configService = configService;
  	}
  
  	@Override
  	protected void doHealthCheck(Health.Builder builder) throws Exception {
  		// Just return "UP" or "DOWN"
  		String status = configService.getServerStatus();
  		// Set the status to Builder
  		builder.status(status);
  		switch (status) {
  		case STATUS_UP -> builder.up();
  		case STATUS_DOWN -> builder.down();
  		default -> builder.unknown();
  		}
  	}
  
  }
  