private static DecTax nullDecTax() {
DecTax decTax = new DecTax();
decTax.setAmount(BigDecimal.ZERO);
decTax.setRate(BigDecimal.ZERO);
return decTax;
}
private DecTax declaredTax(String taxName) {
List<DecTax> declaredTaxes = pd.getDeclaredTaxes();
for (DecTax tax : declaredTaxes) {
if (taxName.equals(tax.getTaxName())) {
return tax;
}
}
return NULL_DEC_TAX;
}