/// <summary>
/// Constructs a builder used to build the deserialized collection
/// </summary>
/// <param name="collection">an existing collection object or null for a new collection</param>
/// <param name="list">the list expression</param>
/// <param name="itemType">the type of the items</param>
/// <returns>collection builder</returns>
protected virtual ICollectionBuilder ConstructBuilder(object collection, ArrayExpression list, out Type itemType)
{
Type listType = collection != null?collection.GetType() : list.ResultType;
ITypeData typeHandler = Settings.Types[listType];
CollectionHandler collHandler = typeHandler.CollectionHandler;
itemType = collHandler.GetItemType(listType);
if (itemType == null)
{
throw new Exception("Null item type returned from " + collHandler.GetType() + " for Collection type: " + listType);
}
if (collection != null)
{
return(collHandler.ConstructBuilder(collection));
}
else
{
return(collHandler.ConstructBuilder(listType, list.Items.Count));
}
}
