private static void showPage(String custId, String errMsg) {
// Obviously this is inefficient -- the list of customer and products never changes,
// so we could cache it.
List<Customer> customers = Customer.find("order by name").fetch();
List<Product> products = Product.find("order by name").fetch();
Customer currentCustomer;
if (custId == null || custId.trim().length() == 0) currentCustomer = customers.get(0);
else currentCustomer = Customer.findById(new Long(custId));
renderTemplate("Application/index.html", customers, currentCustomer, products, errMsg);
}
