code: @Override
  	protected Object doExec(Element element, Object scope, String formatterName, Object... arguments) {
  		Format format = getFormat(formatterName);
  		if (format == null) {
  			throw new TemplateException("Formatting class |%s| not found.", formatterName);
  		}
  		return format;
  	}
docs: Execute FORMAT operator. Returns requested formatter instance throwing templates exception if not found.
  
  @param element context element, unused,
  @param scope scope object, unused,
  @param formatterName formatter qualified class name,
  @param arguments optional arguments, not used.
  @return format instance.
  @throws TemplateException if formatter class does not exist.