content: /*
   * Copyright 1999-2018 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.client.naming.utils;
  
  import com.alibaba.nacos.api.PropertyKeyConst;
  import com.alibaba.nacos.common.utils.StringUtils;
  
  import java.io.File;
  
  import com.alibaba.nacos.client.env.NacosClientProperties;
  
  /**
   * Cache Dir Utils.
   *
   * @author zongkang.guo
   */
  public class CacheDirUtil {
      
      private static String cacheDir;
      
      private static final String JM_SNAPSHOT_PATH_PROPERTY = "JM.SNAPSHOT.PATH";
      
      private static final String FILE_PATH_NACOS = "nacos";
      
      private static final String FILE_PATH_NAMING = "naming";
      
      private static final String USER_HOME_PROPERTY = "user.home";
      
      /**
       * Init cache dir.
       *
       * @param namespace  namespace.
       * @param properties nacosClientProperties.
       * @return
       */
      public static String initCacheDir(String namespace, NacosClientProperties properties) {
          
          String jmSnapshotPath = properties.getProperty(JM_SNAPSHOT_PATH_PROPERTY);
          
          String namingCacheRegistryDir = "";
          if (properties.getProperty(PropertyKeyConst.NAMING_CACHE_REGISTRY_DIR) != null) {
              namingCacheRegistryDir =
                      File.separator + properties.getProperty(PropertyKeyConst.NAMING_CACHE_REGISTRY_DIR);
          }
          
          if (!StringUtils.isBlank(jmSnapshotPath)) {
              cacheDir = jmSnapshotPath + File.separator + FILE_PATH_NACOS + namingCacheRegistryDir + File.separator
                      + FILE_PATH_NAMING + File.separator + namespace;
          } else {
              cacheDir =
                      properties.getProperty(USER_HOME_PROPERTY) + File.separator + FILE_PATH_NACOS + namingCacheRegistryDir
                              + File.separator + FILE_PATH_NAMING + File.separator + namespace;
          }
          
          return cacheDir;
      }
      
      public static String getCacheDir() {
          return cacheDir;
      }
  }
  