/** * @param mapping * @param form * @param request * @param response * @return ActionForward * @throws Exception */ public ActionForward toggleActiveDns( ActionMapping mapping, ActionForm form, HttpServletRequest request, HttpServletResponse response) throws Exception { WebForwardForm webForwardForm = (WebForwardForm) form; if (webForwardForm.isActiveDNS()) { webForwardForm.setHostHeader(""); } return mapping.findForward("display"); }