content: /*
   * Copyright 1999-2023 Alibaba Group Holding Ltd.
   *
   * 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
   *
   *      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.nacos.persistence.utils;
  
  import com.alibaba.nacos.common.utils.StringUtils;
  import com.alibaba.nacos.persistence.constants.PersistenceConstant;
  import com.alibaba.nacos.sys.env.EnvUtil;
  
  /**
   * get datasource platform util.
   *
   * @author lixiaoshuang
   */
  public class DatasourcePlatformUtil {
      
      /**
       * get datasource platform.
       *
       * @param defaultPlatform default platform.
       * @return
       */
      public static String getDatasourcePlatform(String defaultPlatform) {
          String platform = EnvUtil.getProperty(PersistenceConstant.DATASOURCE_PLATFORM_PROPERTY, defaultPlatform);
          if (StringUtils.isBlank(platform)) {
              platform = EnvUtil.getProperty(PersistenceConstant.DATASOURCE_PLATFORM_PROPERTY_OLD, defaultPlatform);
          }
          return platform;
      }
  }
  