code: public Path getPathInHar(Path path) {
      Path harPath = new Path(path.toUri().getPath());
      if (archivePath.compareTo(harPath) == 0)
        return new Path(Path.SEPARATOR);
      Path tmp = new Path(harPath.getName());
      Path parent = harPath.getParent();
      while (!(parent.compareTo(archivePath) == 0)) {
        if (parent.toString().equals(Path.SEPARATOR)) {
          tmp = null;
          break;
        }
        tmp = new Path(parent.getName(), tmp);
        parent = parent.getParent();
      }
      if (tmp != null)
        tmp = new Path(Path.SEPARATOR, tmp);
      return tmp;
    }
docs: this method returns the path
  inside the har filesystem.
  this is relative path inside
  the har filesystem.
  @param path the fully qualified path in the har filesystem.
  @return relative path in the filesystem.