ASN1AttributeTypeAndValue.fromSequence constructor

ASN1AttributeTypeAndValue.fromSequence(ASN1Sequence seq)

Implementation

ASN1AttributeTypeAndValue.fromSequence(ASN1Sequence seq) {
  if (seq.elements == null || seq.elements!.length != 2) {
    throw ArgumentError('');
  }
  if (seq.elements!.elementAt(0) is! ASN1ObjectIdentifier) {
    throw ArgumentError('Element at index 0 has to be ASN1ObjectIdentifier');
  }
  if (seq.elements!.elementAt(1) is ASN1TeletextString ||
      seq.elements!.elementAt(1) is ASN1TeletextString ||
      seq.elements!.elementAt(1) is ASN1UTF8String ||
      seq.elements!.elementAt(1) is ASN1BMPString) {
    // VALID TYPES
  } else {
    throw ArgumentError(
        'Element at index 1 has to be ASN1TeletextString, ASN1TeletextString, ASN1UTF8String or ASN1BMPString');
  }

  type = seq.elements!.elementAt(0) as ASN1ObjectIdentifier;
  value = seq.elements!.elementAt(1);
}