// sample test services
public static Map<String, Object> shoppingCartTest(DispatchContext dctx, Map<String, ? extends Object> context) {
Locale locale = (Locale) context.get("locale");
ShoppingCart cart = new ShoppingCart(dctx.getDelegator(), "9000", "webStore", locale, "USD");
try {
cart.addOrIncreaseItem("GZ-1005", null, BigDecimal.ONE, null, null, null, null, null, null, null, "DemoCatalog", null, null, null, null, dctx.getDispatcher());
} catch (CartItemModifyException e) {
Debug.logError(e, module);
} catch (ItemNotFoundException e) {
Debug.logError(e, module);
}