private Object maxOfList(Node lst, RuleContext context) {
java.util.List<Node> l = Util.convertList(lst, context);
Number max = null;
XSDDateTime maxDate = null;
for (int i = 0; l != null && i < l.size(); i++) {
Node elt = (Node) l.get(i);
if (elt != null && elt.isLiteral()) {
Object v1 = elt.getLiteralValue();
if (v1 instanceof Number) {
if (max == null || max.doubleValue() < ((Number) v1).doubleValue()) {
max = (Number) v1;
}
} else if (v1 instanceof XSDDateTime) {
if (maxDate == null || maxDate.compareTo((XSDDateTime) v1) < 0) {
maxDate = (XSDDateTime) v1;
}
} else {
throw new BuiltinException(
this, context, "Element of list input to max not a number: " + v1.toString());
}
} else {
throw new BuiltinException(
this, context, "Element of list input to max not a Literal: " + elt.toString());
}
}
if (maxDate != null) {
return maxDate;
}
return max;
}
