public DirectedGraph load(String fileName) throws IOException, MaryConfigurationException {
  InputStream is=new FileInputStream(fileName);
  try {
    return load(is);
  }
  finally {
    is.close();
  }
}

public DirectedGraph load ( String fileName ) throws IOException , MaryConfigurationException { InputStream is = new FileInputStream ( fileName ) ; try { return load ( is ) ; } finally { is . close ( ) ; } }
load the directed graph from the given file
