code: protected Boolean hasRole(ActionBean bean, Method handler, String role)
  	{
  		return bean.getContext().getRequest().isUserInRole(role);
  	}
docs: Determine if the current user has the specified role.
  Note that '*' is a special role that resolves to any role (see the servlet spec. v2.4, section 12.8).
  
  @param bean    the current action bean
  @param handler the current event handler
  @param role    the role to check
  @return {@code true} if the user has the role, and {@code false} otherwise