PolicyInformation.cs :  » PDF » iTextSharp » Org » BouncyCastle » Asn1 » X509 » C# / CSharp Open Source

using System;

namespace Org.BouncyCastle.Asn1.X509{
    public class PolicyInformation
        : Asn1Encodable
    {
        private readonly DerObjectIdentifier  policyIdentifier;
        private readonly Asn1Sequence      policyQualifiers;

    private PolicyInformation(
            Asn1Sequence seq)
        {
      if (seq.Count < 1 || seq.Count > 2)
      {
        throw new ArgumentException("Bad sequence size: " + seq.Count);
      }

      policyIdentifier = DerObjectIdentifier.GetInstance(seq[0]);

      if (seq.Count > 1)
      {
        policyQualifiers = Asn1Sequence.GetInstance(seq[1]);
      }
        }

    public PolicyInformation(
            DerObjectIdentifier policyIdentifier)
        {
            this.policyIdentifier = policyIdentifier;
        }

    public PolicyInformation(
            DerObjectIdentifier  policyIdentifier,
            Asn1Sequence    policyQualifiers)
        {
            this.policyIdentifier = policyIdentifier;
            this.policyQualifiers = policyQualifiers;
        }

    public static PolicyInformation GetInstance(
            object obj)
        {
            if (obj == null || obj is PolicyInformation)
            {
                return (PolicyInformation) obj;
            }

      return new PolicyInformation(Asn1Sequence.GetInstance(obj));
        }

    public DerObjectIdentifier PolicyIdentifier
    {
      get { return policyIdentifier; }
    }

    public Asn1Sequence PolicyQualifiers
    {
      get { return policyQualifiers; }
    }

    /*
         * PolicyInformation ::= Sequence {
         *      policyIdentifier   CertPolicyId,
         *      policyQualifiers   Sequence SIZE (1..MAX) OF
         *              PolicyQualifierInfo OPTIONAL }
         */
        public override Asn1Object ToAsn1Object()
        {
            Asn1EncodableVector v = new Asn1EncodableVector(policyIdentifier);

      if (policyQualifiers != null)
            {
                v.Add(policyQualifiers);
            }

      return new DerSequence(v);
        }
    }
}