content: /*
   *
   * 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.cloudapp.starter.config.configuration;
  
  import com.alibaba.cloud.nacos.NacosConfigManager;
  import com.alibaba.nacos.api.config.ConfigService;
  import com.alibaba.cloudapp.config.aliyun.NacosConfigReadService;
  import com.alibaba.cloudapp.starter.config.properties.NacosConfigReadServiceProperties;
  import com.alibaba.cloudapp.starter.properties.EnableModuleProperties;
  import com.alibaba.cloudapp.starter.refresh.RefreshableProxyFactory;
  import com.alibaba.cloudapp.starter.refresh.aspect.RefreshableBinding;
  import org.slf4j.Logger;
  import org.slf4j.LoggerFactory;
  import org.springframework.boot.autoconfigure.condition.ConditionalOnBean;
  import org.springframework.boot.autoconfigure.condition.ConditionalOnClass;
  import org.springframework.boot.autoconfigure.condition.ConditionalOnMissingBean;
  import org.springframework.boot.autoconfigure.condition.ConditionalOnProperty;
  import org.springframework.context.annotation.Bean;
  import org.springframework.context.annotation.Configuration;
  
  @Configuration
  @ConditionalOnClass(value = {NacosConfigManager.class})
  @EnableModuleProperties(NacosConfigReadServiceProperties.class)
  @ConditionalOnProperty(prefix = NacosConfigReadServiceProperties.PREFIX,
          value = "enabled",
          havingValue = "true")
  public class NacosConfigReadServiceAutoConfiguration {
      public static final Logger logger = LoggerFactory.getLogger(
              NacosConfigReadServiceAutoConfiguration.class);
      
      @Bean("nacosConfigReadService")
      @ConditionalOnMissingBean
      @ConditionalOnBean(NacosConfigManager.class)
      @RefreshableBinding(NacosConfigReadServiceProperties.PREFIX)
      public NacosConfigReadService nacosConfigReadService(
              NacosConfigReadServiceProperties properties,
              NacosConfigManager nacosConfigManager) {
          
          ConfigService configService = nacosConfigManager.getConfigService();
          
          return RefreshableProxyFactory.create(
                  prop -> this.createNacosConfigReadService(prop, configService),
                  properties
          );
      }
      
      private NacosConfigReadService createNacosConfigReadService(
              NacosConfigReadServiceProperties properties,
              ConfigService configService
      ) {
          
          NacosConfigReadService nacosConfigReadService = new NacosConfigReadService(
                  properties.getTimeout(),
                  properties.getGroup(),
                  configService
          );
          
          logger.info("Successfully create NacosConfigReadService {} " +
                              "using properties {}",
                      nacosConfigReadService,
                      properties
          );
          
          return nacosConfigReadService;
      }
      
  }
  