using Org.BouncyCastle.Utilities; using System; namespace Org.BouncyCastle.Asn1.IsisMtt.X509 { public class DeclarationOfMajority : Asn1Encodable, IAsn1Choice { public enum Choice { NotYoungerThan, FullAgeAtCountry, DateOfBirth } private readonly Asn1TaggedObject m_declaration; public Choice Type => (Choice)m_declaration.TagNo; public virtual int NotYoungerThan { get { if (Type == Choice.NotYoungerThan) return DerInteger.GetInstance(m_declaration, false).IntValueExact; return -1; } } public virtual Asn1Sequence FullAgeAtCountry { get { if (Type == Choice.FullAgeAtCountry) return Asn1Sequence.GetInstance(m_declaration, false); return null; } } public virtual Asn1GeneralizedTime DateOfBirth { get { if (Type == Choice.DateOfBirth) return Asn1GeneralizedTime.GetInstance(m_declaration, false); return null; } } public DeclarationOfMajority(int notYoungerThan) { m_declaration = new DerTaggedObject(false, 0, new DerInteger(notYoungerThan)); } public DeclarationOfMajority(bool fullAge, string country) { if (country.Length > 2) throw new ArgumentException("country can only be 2 characters", "country"); DerPrintableString derPrintableString = new DerPrintableString(country, true); DerSequence obj = (!fullAge) ? new DerSequence(DerBoolean.False, derPrintableString) : new DerSequence(derPrintableString); m_declaration = new DerTaggedObject(false, 1, obj); } public DeclarationOfMajority(Asn1GeneralizedTime dateOfBirth) { m_declaration = new DerTaggedObject(false, 2, dateOfBirth); } public static DeclarationOfMajority GetInstance(object obj) { if (obj == null) return null; DeclarationOfMajority declarationOfMajority = obj as DeclarationOfMajority; if (declarationOfMajority != null) return declarationOfMajority; Asn1TaggedObject asn1TaggedObject = obj as Asn1TaggedObject; if (asn1TaggedObject != null) return new DeclarationOfMajority(Asn1Utilities.CheckContextTagClass(asn1TaggedObject)); throw new ArgumentException("unknown object in factory: " + Platform.GetTypeName(obj), "obj"); } private DeclarationOfMajority(Asn1TaggedObject o) { if (o.TagNo > 2) throw new ArgumentException("Bad tag number: " + o.TagNo.ToString()); m_declaration = o; } public override Asn1Object ToAsn1Object() { return m_declaration; } } }