content: /*
   ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~
   ~                                                                               ~
   ~ The MIT License (MIT)                                                         ~
   ~                                                                               ~
   ~ Copyright (c) 2015-2025 miaixz.org OSHI and other contributors.               ~
   ~                                                                               ~
   ~ Permission is hereby granted, free of charge, to any person obtaining a copy  ~
   ~ of this software and associated documentation files (the "Software"), to deal ~
   ~ in the Software without restriction, including without limitation the rights  ~
   ~ to use, copy, modify, merge, publish, distribute, sublicense, and/or sell     ~
   ~ copies of the Software, and to permit persons to whom the Software is         ~
   ~ furnished to do so, subject to the following conditions:                      ~
   ~                                                                               ~
   ~ The above copyright notice and this permission notice shall be included in    ~
   ~ all copies or substantial portions of the Software.                           ~
   ~                                                                               ~
   ~ THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR    ~
   ~ IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,      ~
   ~ FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE   ~
   ~ AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER        ~
   ~ LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, ~
   ~ OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN     ~
   ~ THE SOFTWARE.                                                                 ~
   ~                                                                               ~
   ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~
  */
  package org.miaixz.bus.health.linux;
  
  import java.io.File;
  
  import org.miaixz.bus.core.lang.Normal;
  import org.miaixz.bus.core.lang.annotation.ThreadSafe;
  import org.miaixz.bus.core.lang.exception.NotFoundException;
  import org.miaixz.bus.health.Config;
  
  /**
   * Provides constants for paths in the {@code /dev} filesystem on Linux. If the user desires to configure a custom
   * {@code /dev} path, it must be declared in the configuration file or updated in the {@link Config} class prior to
   * initializing this class.
   *
   * @author Kimi Liu
   * @since Java 17+
   */
  @ThreadSafe
  public final class DevPath {
  
      /**
       * The /dev filesystem location.
       */
      public static final String DEV = queryDevConfig() + "/";
  
      public static final String DISK_BY_UUID = DEV + "disk/by-uuid";
      public static final String DM = DEV + "dm";
      public static final String LOOP = DEV + "loop";
      public static final String MAPPER = DEV + "mapper/";
      public static final String RAM = DEV + "ram";
  
      private static String queryDevConfig() {
          String devPath = Config.get(Config._UTIL_DEV_PATH, "/dev");
          // Ensure prefix begins with path separator, but doesn't end with one
          devPath = '/' + devPath.replaceAll("/$|^/", Normal.EMPTY);
          if (!new File(devPath).exists()) {
              throw new NotFoundException(Config._UTIL_DEV_PATH, "The path does not exist");
          }
          return devPath;
      }
  
  }
  