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

using System;
using System.Collections;

using Org.BouncyCastle.Utilities.Collections;

namespace Org.BouncyCastle.Asn1.Esf{
  /// <remarks>
  /// RFC 3126: 4.2.2 Complete Revocation Refs Attribute Definition
  /// <code>
  /// CRLListID ::= SEQUENCE 
  /// {
  ///    crls  SEQUENCE OF CrlValidatedID
  /// }
  /// </code>
  /// </remarks>
  public class CrlListID
    : Asn1Encodable
  {
    private readonly Asn1Sequence crls;

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

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

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

    private CrlListID(
      Asn1Sequence seq)
    {
      if (seq == null)
        throw new ArgumentNullException("seq");
      if (seq.Count != 1)
        throw new ArgumentException("Bad sequence size: " + seq.Count, "seq");

      this.crls = (Asn1Sequence) seq[0].ToAsn1Object();

      foreach (Asn1Encodable ae in this.crls)
      {
        CrlValidatedID.GetInstance(ae.ToAsn1Object());
      }
    }

    public CrlListID(
      params CrlValidatedID[] crls)
    {
      if (crls == null)
        throw new ArgumentNullException("crls");

      this.crls = new DerSequence(crls);
    }

    public CrlListID(
      IEnumerable crls)
    {
      if (crls == null)
        throw new ArgumentNullException("crls");
      if (!CollectionUtilities.CheckElementsAreOfType(crls, typeof(CrlValidatedID)))
        throw new ArgumentException("Must contain only 'CrlValidatedID' objects", "crls");

      this.crls = new DerSequence(
        Asn1EncodableVector.FromEnumerable(crls));
    }

    public CrlValidatedID[] GetCrls()
    {
      CrlValidatedID[] result = new CrlValidatedID[crls.Count];
      for (int i = 0; i < crls.Count; ++i)
      {
        result[i] = CrlValidatedID.GetInstance(crls[i].ToAsn1Object());
      }
      return result;
    }

    public override Asn1Object ToAsn1Object()
    {
      return new DerSequence(crls);
    }
  }
}