Пример #1
0
  /**
   * Check that the file given by the string path (or directory, if flagged) exists and is readable.
   *
   * @param file the absolute path to the file
   * @param checkDirectory check as a directory if this flag set
   * @throws StandardException
   */
  public static void validateReadable(String file, boolean checkDirectory)
      throws StandardException {
    if (file == null) return;

    DistributedFileSystem fsLayer = getFileSystem(file);
    FileInfo info;
    try {
      info = fsLayer.getInfo(file);
    } catch (IOException e) {
      throw Exceptions.parseException(e);
    }
    if (!info.exists() || (checkDirectory && info.isDirectory()))
      throw ErrorState.LANG_FILE_DOES_NOT_EXIST.newException(file);
    if (!info.isReadable()) {
      throw ErrorState.LANG_NO_READ_PERMISSION.newException(info.getUser(), info.getGroup(), file);
    }
  }
Пример #2
0
  /**
   * ValidateWritable FileSystem
   *
   * @param path the path to check
   * @param checkDirectory if true, then ensure that the file specified by {@code path} is not a
   *     directory
   * @throws StandardException
   */
  public static void validateWritable(String path, boolean checkDirectory)
      throws StandardException {
    // check that the badLogDirectory exists and is writable
    if (path == null) return;
    DistributedFileSystem fsLayer = getFileSystem(path);
    FileInfo info;
    try {
      info = fsLayer.getInfo(path);
    } catch (IOException e) {
      throw Exceptions.parseException(e);
    }

    if (checkDirectory && !info.isDirectory()) {
      throw ErrorState.DATA_FILE_NOT_FOUND.newException(path);
    }
    if (!info.isWritable()) {
      throw ErrorState.LANG_NO_WRITE_PERMISSION.newException(info.getUser(), info.getGroup(), path);
    }
  }