/// <summary>Converts a CBOR object to a DateTime (in DotNet) or a Date
/// (in Java).</summary>
/// <param name='obj'>A CBOR object that specifies a date/time
/// according to the conversion type used to create this date
/// converter.</param>
/// <returns>A DateTime or Date that encodes the date/time specified in
/// the CBOR object.</returns>
/// <exception cref='ArgumentNullException'>The parameter <paramref
/// name='obj'/> is null.</exception>
/// <exception cref='PeterO.Cbor2.CBORException'>The format of the CBOR
/// object is not supported, or another error occurred in
/// conversion.</exception>
public DateTime FromCBORObject(CBORObject obj)
{
if (obj == null)
{
throw new ArgumentNullException(nameof(obj));
}
var lesserFields = new int[7];
var outYear = new EInteger[1];
string str = this.TryGetDateTimeFieldsInternal(
obj,
outYear,
lesserFields);
if (str == null)
{
return(PropertyMap.BuildUpDateTime(outYear[0], lesserFields));
}
throw new CBORException(str);
}