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 /proc} filesystem on Linux. If the user desires to configure a custom
   * {@code /proc} 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 ProcPath {
  
      /**
       * The /proc filesystem location.
       */
      public static final String PROC = queryProcConfig();
  
      public static final String ASOUND = PROC + "/asound/";
      public static final String AUXV = PROC + "/self/auxv";
      public static final String CPUINFO = PROC + "/cpuinfo";
      public static final String DISKSTATS = PROC + "/diskstats";
      public static final String MEMINFO = PROC + "/meminfo";
      public static final String MODEL = PROC + "/device-tree/model";
      public static final String MOUNTS = PROC + "/mounts";
      public static final String NET = PROC + "/net";
      public static final String PID_CMDLINE = PROC + "/%d/cmdline";
      public static final String PID_CWD = PROC + "/%d/cwd";
      public static final String PID_EXE = PROC + "/%d/exe";
      public static final String PID_ENVIRON = PROC + "/%d/environ";
      public static final String PID_FD = PROC + "/%d/fd";
      public static final String PID_IO = PROC + "/%d/io";
      public static final String PID_STAT = PROC + "/%d/stat";
      public static final String PID_STATM = PROC + "/%d/statm";
      public static final String PID_STATUS = PROC + "/%d/status";
      public static final String SELF_STAT = PROC + "/self/stat";
      public static final String SNMP = NET + "/snmp";
      public static final String SNMP6 = NET + "/snmp6";
      public static final String STAT = PROC + "/stat";
      public static final String SYS_FS_FILE_NR = PROC + "/sys/fs/file-nr";
      public static final String SYS_FS_FILE_MAX = PROC + "/sys/fs/file-max";
      public static final String TASK_PATH = PROC + "/%d/task";
      public static final String TASK_COMM = TASK_PATH + "/%d/comm";
      public static final String TASK_STATUS = TASK_PATH + "/%d/status";
      public static final String TASK_STAT = TASK_PATH + "/%d/stat";
      public static final String THREAD_SELF = PROC + "/thread-self";
      public static final String UPTIME = PROC + "/uptime";
      public static final String VERSION = PROC + "/version";
      public static final String VMSTAT = PROC + "/vmstat";
  
      private static String queryProcConfig() {
          String procPath = Config.get(Config._UTIL_PROC_PATH, "/proc");
          // Ensure prefix begins with path separator, but doesn't end with one
          procPath = '/' + procPath.replaceAll("/$|^/", Normal.EMPTY);
          if (!new File(procPath).exists()) {
              throw new NotFoundException("The path does not exist " + Config._UTIL_PROC_PATH);
          }
          return procPath;
      }
  
  }
  