protected void engineSetMode(String mode){
  if (!mode.equalsIgnoreCase("ECB")) {
    throw new IllegalArgumentException("can't support mode " + mode);
  }
}

protected void engineSetMode ( String mode ) { if ( ! mode . equalsIgnoreCase ( "ECB" ) ) { throw new IllegalArgumentException ( "can't support mode " + mode ) ; } }
should never be called .
