}
  protected void setProviderClassNameParam(String className)  {    log.finest("setProviderClassNameParam(" + className + ")"); //$NON-NLS-1$ //$NON-NLS-2$    if (className != null && className.trim().length() > 0)      {        className = className.trim();        SecurityProviderInfo spi = ProviderUtil.addProvider(className);        provider = spi.getProvider();        if (provider == null)          log.fine("Was unable to add provider from class " + className);        providerNdx = spi.getPosition();      }  }