public SortCondition(Expr expr, int dir) {
expression = expr;
direction = dir;
if (dir != Query.ORDER_ASCENDING && dir != Query.ORDER_DESCENDING && dir != Query.ORDER_DEFAULT)
ALog.fatal(this, "Unknown sort direction");
}
@Override
public NodeValue exec(NodeValue v) {
if (!v.isString()) {
ALog.warn(this, "date: argument not a string: " + v);
throw new ExprEvalException("date: argument not a string: " + v);
}
String lexicalForm = v.getString();
// Quite picky about format
if (!lexicalForm.matches("\\d{4}-\\d{2}-\\d{2}")) {
ALog.warn(this, "date: argument not in date format: " + v);
throw new ExprEvalException("date: argument not in date format: " + v);
}
lexicalForm = lexicalForm + "T00:00:00Z";
NodeValue nv = NodeValue.makeNode(lexicalForm, XSDDatatype.XSDdateTime);
return nv;
}