public static Literal cachedWithinValue(Expression val) throws EvaluatorException {
if (val instanceof Literal) {
Literal l = (Literal) val;
// double == days
Double d = l.getDouble(null);
if (d != null) {
return new LitLong(TimeSpanImpl.fromDays(d.doubleValue()).getMillis(), null, null);
}
// request
String str = l.getString();
if (str != null && "request".equalsIgnoreCase(str.trim()))
return new LitString("request", null, null);
throw cacheWithinException();
}
// createTimespan
else if (val instanceof Variable) {
Variable var = (Variable) val;
if (var.getMembers().size() == 1) {
Member first = var.getFirstMember();
if (first instanceof BIF) {
BIF bif = (BIF) first;
if ("createTimeSpan".equalsIgnoreCase(bif.getFlf().getName())) {
Argument[] args = bif.getArguments();
int len = ArrayUtil.size(args);
if (len >= 4 && len <= 5) {
double days = toDouble(args[0].getValue());
double hours = toDouble(args[1].getValue());
double minutes = toDouble(args[2].getValue());
double seconds = toDouble(args[3].getValue());
double millis = len == 5 ? toDouble(args[4].getValue()) : 0;
return new LitLong(
new TimeSpanImpl(
(int) days, (int) hours, (int) minutes, (int) seconds, (int) millis)
.getMillis(),
null,
null);
}
}
}
}
}
throw cacheWithinException();
}
/**
* extract the content of a attribut
*
* @param cfxdTag
* @param attrName
* @return attribute value
* @throws EvaluatorException
*/
public static String getAttributeString(Tag tag, String attrName, String defaultValue) {
Literal lit = getAttributeLiteral(tag, attrName, null);
if (lit == null) return defaultValue;
return lit.getString();
}