public virtual ResultSequence getVariable([email protected] name) { object @var = dc.get_variable(new QName(name)); if (@var == null) { return(ResultBuffer.EMPTY); } if (@var is ResultSequence) { return((ResultSequence)@var); } return(ResultBuffer.wrap((Item)@var)); }
//Converts potential sequences into item lists, while flattening to a single dimension
private static IEnumerable<Item> GetItems(object obj)
{
//It it a Node?
Node.Node node = obj as Node.Node;
if (node != null)
{
return new[]{node.ANode};
}
//Is it a Database?
Database database = obj as Database;
if(database != null)
{
return database.Documents.Select(d => d.ANode).Cast<Item>();
}
//Is it enumerable (list, array, etc. - but not a string!)
//This is recursive and results in flattening any nested sequences
IEnumerable enumerable = obj as IEnumerable;
if (!(obj is string) && enumerable != null)
{
return enumerable.Cast<object>().Select(GetItems).SelectMany(x => x);
}
// Clean up non-.NET values
if (obj is Decimal)
{
obj = new BigDecimal(obj.ToString());
}
else if (obj is DateTime)
{
obj = DatatypeFactory.newInstance().newXMLGregorianCalendar(
((DateTime)obj).ToString("yyyy-MM-ddTHH:mm:ss.fffffffZ"));
}
else if (obj is TimeSpan)
{
obj = DatatypeFactory.newInstance().newDuration(
Convert.ToInt64(((TimeSpan)obj).TotalMilliseconds));
}
else if (obj is XmlQualifiedName)
{
XmlQualifiedName qname = (XmlQualifiedName)obj;
obj = new QName(qname.Namespace, qname.Name);
}
//Get the item
return new []{JavaMapping.type(obj).cast(obj, null)};
}