code: public void addDirectory( final String path, final int permissions, final Directive directive, final String uname, final String gname) throws NoSuchAlgorithmException, IOException {
  		contents.addDirectory( path, permissions, directive, uname, gname);
  	}
docs: Adds the directory to the repository.
  
  @param path the absolute path to add as a directory.
  @param permissions the mode of the directory in standard three octet notation.
  @param directive directive indicating special handling for this file.
  @param uname user owner of the directory
  @param gname group owner of the directory
  @throws NoSuchAlgorithmException the algorithm isn't supported
  @throws IOException there was an IO error