@Post("editGame") public String editGame(final Invocation inv, @Param("id") final Integer id) { ActGuessGameAdmin admin = actGuessGameConfService.editGame(id); if (admin == null) { return "@json:" + "{\"status\":\"" + "1" + "\"}"; } else { return "@json:" + "{\"status\":\"" + "0" + "\",\"admin\":" + JsonUtils.toJson(admin) + "}"; } }