using Org.BouncyCastle.Asn1.X509; using System; namespace Org.BouncyCastle.Asn1.IsisMtt.X509 { public class AdmissionSyntax : Asn1Encodable { private readonly GeneralName m_admissionAuthority; private readonly Asn1Sequence m_contentsOfAdmissions; public virtual GeneralName AdmissionAuthority => m_admissionAuthority; public static AdmissionSyntax GetInstance(object obj) { if (obj == null) return null; AdmissionSyntax admissionSyntax = obj as AdmissionSyntax; if (admissionSyntax != null) return admissionSyntax; return new AdmissionSyntax(Asn1Sequence.GetInstance(obj)); } public static AdmissionSyntax GetInstance(Asn1TaggedObject taggedObject, bool declaredExplicit) { return new AdmissionSyntax(Asn1Sequence.GetInstance(taggedObject, declaredExplicit)); } public static AdmissionSyntax GetTagged(Asn1TaggedObject taggedObject, bool declaredExplicit) { return new AdmissionSyntax(Asn1Sequence.GetTagged(taggedObject, declaredExplicit)); } private AdmissionSyntax(Asn1Sequence seq) { int count = seq.Count; int sequencePosition = 0; if (count < 1 || count > 2) throw new ArgumentException("Bad sequence size: " + count.ToString(), "seq"); m_admissionAuthority = Asn1Utilities.ReadOptional(seq, ref sequencePosition, GeneralName.GetOptional); m_contentsOfAdmissions = Asn1Sequence.GetInstance(seq[sequencePosition++]); if (sequencePosition != count) throw new ArgumentException("Unexpected elements in sequence", "seq"); } public AdmissionSyntax(GeneralName admissionAuthority, Asn1Sequence contentsOfAdmissions) { m_admissionAuthority = admissionAuthority; if (contentsOfAdmissions == null) throw new ArgumentNullException("contentsOfAdmissions"); m_contentsOfAdmissions = contentsOfAdmissions; } public virtual Admissions[] GetContentsOfAdmissions() { return m_contentsOfAdmissions.MapElements(Admissions.GetInstance); } public override Asn1Object ToAsn1Object() { if (m_admissionAuthority != null) return DerSequence.FromElements(m_admissionAuthority, m_contentsOfAdmissions); return DerSequence.FromElement(m_contentsOfAdmissions); } } }