// parses the notional schedule
private NotionalSchedule parseSwapNotionalSchedule(XmlElement legEl, XmlElement calcEl, FpmlDocument document)
{
// supported elements:
// 'principalExchanges/initialExchange'
// 'principalExchanges/finalExchange'
// 'principalExchanges/intermediateExchange'
// 'calculationPeriodAmount/calculation/notionalSchedule/notionalStepSchedule'
// 'calculationPeriodAmount/calculation/notionalSchedule/notionalStepParameters'
NotionalSchedule.Builder notionalScheduleBuilder = NotionalSchedule.builder();
// exchanges
legEl.findChild("principalExchanges").ifPresent(el =>
{
notionalScheduleBuilder.initialExchange(bool.Parse(el.getChild("initialExchange").Content));
notionalScheduleBuilder.intermediateExchange(bool.Parse(el.getChild("intermediateExchange").Content));
notionalScheduleBuilder.finalExchange(bool.Parse(el.getChild("finalExchange").Content));
});
// notional schedule
XmlElement notionalEl = calcEl.getChild("notionalSchedule");
XmlElement stepScheduleEl = notionalEl.getChild("notionalStepSchedule");
Optional <XmlElement> paramScheduleElOpt = notionalEl.findChild("notionalStepParameters");
double initialValue = document.parseDecimal(stepScheduleEl.getChild("initialValue"));
ValueStepSequence seq = paramScheduleElOpt.map(el => parseAmountSchedule(el, initialValue, document)).orElse(null);
notionalScheduleBuilder.amount(parseSchedule(stepScheduleEl, initialValue, seq, document));
notionalScheduleBuilder.currency(document.parseCurrency(stepScheduleEl.getChild("currency")));
return(notionalScheduleBuilder.build());
}
// parses the swap
internal Swap parseSwap(FpmlDocument document, XmlElement tradeEl, TradeInfoBuilder tradeInfoBuilder)
{
XmlElement swapEl = tradeEl.getChild("swap");
ImmutableList <XmlElement> legEls = swapEl.getChildren("swapStream");
ImmutableList.Builder <SwapLeg> legsBuilder = ImmutableList.builder();
foreach (XmlElement legEl in legEls)
{
// calculation
XmlElement calcPeriodAmountEl = legEl.getChild("calculationPeriodAmount");
XmlElement calcEl = calcPeriodAmountEl.findChild("calculation").orElse(XmlElement.ofChildren("calculation", ImmutableList.of()));
PeriodicSchedule accrualSchedule = parseSwapAccrualSchedule(legEl, document);
PaymentSchedule paymentSchedule = parseSwapPaymentSchedule(legEl, calcEl, document);
// known amount or rate calculation
Optional <XmlElement> knownAmountOptEl = calcPeriodAmountEl.findChild("knownAmountSchedule");
if (knownAmountOptEl.Present)
{
XmlElement knownAmountEl = knownAmountOptEl.get();
document.validateNotPresent(legEl, "stubCalculationPeriodAmount");
document.validateNotPresent(legEl, "resetDates");
// pay/receive and counterparty
PayReceive payReceive = document.parsePayerReceiver(legEl, tradeInfoBuilder);
ValueSchedule amountSchedule = parseSchedule(knownAmountEl, document);
// build
legsBuilder.add(KnownAmountSwapLeg.builder().payReceive(payReceive).accrualSchedule(accrualSchedule).paymentSchedule(paymentSchedule).amount(amountSchedule).currency(document.parseCurrency(knownAmountEl.getChild("currency"))).build());
}
else
{
document.validateNotPresent(calcEl, "fxLinkedNotionalSchedule");
document.validateNotPresent(calcEl, "futureValueNotional");
// pay/receive and counterparty
PayReceive payReceive = document.parsePayerReceiver(legEl, tradeInfoBuilder);
NotionalSchedule notionalSchedule = parseSwapNotionalSchedule(legEl, calcEl, document);
RateCalculation calculation = parseSwapCalculation(legEl, calcEl, accrualSchedule, document);
// build
legsBuilder.add(RateCalculationSwapLeg.builder().payReceive(payReceive).accrualSchedule(accrualSchedule).paymentSchedule(paymentSchedule).notionalSchedule(notionalSchedule).calculation(calculation).build());
}
}
return(Swap.of(legsBuilder.build()));
}