OcspIdentifier.cs :  » PDF » iTextSharp » Org » BouncyCastle » Asn1 » Esf » C# / CSharp Open Source

using System;

using Org.BouncyCastle.Asn1.Ocsp;

namespace Org.BouncyCastle.Asn1.Esf{
  /// <remarks>
  /// RFC 3126: 4.2.2 Complete Revocation Refs Attribute Definition
  /// <code>
  /// OcspIdentifier ::= SEQUENCE {
  ///    ocspResponderID    ResponderID,
  ///      -- As in OCSP response data
  ///    producedAt      GeneralizedTime
  ///      -- As in OCSP response data
  /// }
  /// </code>
  /// </remarks>
  public class OcspIdentifier
    : Asn1Encodable
  {
    private readonly ResponderID    ocspResponderID;
    private readonly DerGeneralizedTime  producedAt;

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

      if (obj is Asn1Sequence)
        return new OcspIdentifier((Asn1Sequence) obj);

      throw new ArgumentException(
        "Unknown object in 'OcspIdentifier' factory: "
          + obj.GetType().Name,
        "obj");
    }

    private OcspIdentifier(
      Asn1Sequence seq)
    {
      if (seq == null)
        throw new ArgumentNullException("seq");
      if (seq.Count != 2)
        throw new ArgumentException("Bad sequence size: " + seq.Count, "seq");

      this.ocspResponderID = ResponderID.GetInstance(seq[0].ToAsn1Object());
      this.producedAt = (DerGeneralizedTime) seq[1].ToAsn1Object();
    }

    public OcspIdentifier(
      ResponderID  ocspResponderID,
      DateTime  producedAt)
    {
      if (ocspResponderID == null)
        throw new ArgumentNullException();

      this.ocspResponderID = ocspResponderID;
      this.producedAt = new DerGeneralizedTime(producedAt);
    }

    public ResponderID OcspResponderID
    {
      get { return ocspResponderID; }
    }

    public DateTime ProducedAt
    {
      get { return producedAt.ToDateTime(); }
    }

    public override Asn1Object ToAsn1Object()
    {
      return new DerSequence(ocspResponderID, producedAt);
    }
  }
}