return mapping.findForward(forwardTo);
return null;
    public ActionForward backToResult(ActionMapping mapping, ActionForm form,	    HttpServletRequest request, HttpServletResponse response) {	final Result result = readResultFromRequest(request);	if (result == null) {	    return backToResultList(mapping, form, request, response);	}		String forwardTo = null;	if (result instanceof ResultPatent) {	    request.setAttribute("patentId", result.getIdInternal());	    forwardTo = new String("editPatent");	} else if (result instanceof ResultPublication) {	    request.setAttribute("publicationId", result.getIdInternal());	    forwardTo = new String("viewEditPublication");	}	return mapping.findForward(forwardTo);    }