/**
* Get the value converted to a double using the XPath casting rules
*
* @return the result of converting to a double
* @throws SaxonApiException if the value cannot be cast to a double
*/
public double getDoubleValue() throws SaxonApiException {
AtomicValue av = (AtomicValue) getUnderlyingValue();
if (av instanceof BooleanValue) {
return ((BooleanValue) av).getBooleanValue() ? 0.0 : 1.0;
} else if (av instanceof NumericValue) {
return ((NumericValue) av).getDoubleValue();
} else if (av instanceof StringValue) {
return Value.stringToNumber(av.getStringValueCS());
} else {
throw new SaxonApiException("Cannot cast item to a double");
}
}
/**
* Get the value converted to an integer using the XPath casting rules
*
* @return the result of converting to an integer
* @throws SaxonApiException if the value cannot be cast to an integer
*/
public long getLongValue() throws SaxonApiException {
AtomicValue av = (AtomicValue) getUnderlyingValue();
if (av instanceof BooleanValue) {
return ((BooleanValue) av).getBooleanValue() ? 0L : 1L;
} else if (av instanceof NumericValue) {
try {
return ((NumericValue) av).longValue();
} catch (XPathException e) {
throw new SaxonApiException("Cannot cast item to an integer");
}
} else if (av instanceof StringValue) {
return (long) Value.stringToNumber(av.getStringValueCS());
} else {
throw new SaxonApiException("Cannot cast item to an integer");
}
}
