prepare

public String prepare(String action, Marca item) {
        String url = "";
        try {
            loginController.put("pagemarca", page.toString());
            loginController.put("marca", action);
            switch (action) {
                case "new":
                    marca = new Marca();
                    marcaSelected = new Marca();

                    writable = false;
                    break;

                case "view":

                    marcaSelected = item;
                    marca = marcaSelected;
                    loginController.put("idmarca", marca.getIdmarca().toString());

                    url = "/pages/marca/view.xhtml";
                    break;

                case "golist":
                    url = "/pages/marca/list.xhtml";
                    break;

                case "gonew":
                    url = "/pages/marca/new.xhtml";
                    break;

            }

        } catch (Exception e) {
            JsfUtil.errorMessage("prepare() " + e.getLocalizedMessage());
        }

        return url;
    }