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

using System;
using System.Text;

using Org.BouncyCastle.Utilities;

namespace Org.BouncyCastle.Asn1.X509{
    /**
     * The DistributionPointName object.
     * <pre>
     * DistributionPointName ::= CHOICE {
     *     fullName                 [0] GeneralNames,
     *     nameRelativeToCRLIssuer  [1] RelativeDistinguishedName
     * }
     * </pre>
     */
    public class DistributionPointName
        : Asn1Encodable, IAsn1Choice
    {
        internal readonly Asn1Encodable  name;
        internal readonly int      type;

    public const int FullName          = 0;
        public const int NameRelativeToCrlIssuer  = 1;

    public static DistributionPointName GetInstance(
            Asn1TaggedObject  obj,
            bool        explicitly)
        {
            return GetInstance(Asn1TaggedObject.GetInstance(obj, true));
        }

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

      if (obj is Asn1TaggedObject)
            {
                return new DistributionPointName((Asn1TaggedObject) obj);
            }

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

        public DistributionPointName(
            int        type,
            Asn1Encodable  name)
        {
            this.type = type;
            this.name = name;
        }

    public DistributionPointName(
      GeneralNames name)
      :  this(FullName, name)
    {
    }

    public int PointType
        {
      get { return type; }
        }

    public Asn1Encodable Name
        {
      get { return name; }
        }

    public DistributionPointName(
            Asn1TaggedObject obj)
        {
            this.type = obj.TagNo;

      if (type == FullName)
            {
                this.name = GeneralNames.GetInstance(obj, false);
            }
            else
            {
                this.name = Asn1Set.GetInstance(obj, false);
            }
        }

    public override Asn1Object ToAsn1Object()
        {
            return new DerTaggedObject(false, type, name);
        }

    public override string ToString()
    {
      string sep = Platform.NewLine;
      StringBuilder buf = new StringBuilder();
      buf.Append("DistributionPointName: [");
      buf.Append(sep);
      if (type == FullName)
      {
        appendObject(buf, sep, "fullName", name.ToString());
      }
      else
      {
        appendObject(buf, sep, "nameRelativeToCRLIssuer", name.ToString());
      }
      buf.Append("]");
      buf.Append(sep);
      return buf.ToString();
    }

    private void appendObject(
      StringBuilder  buf,
      string      sep,
      string      name,
      string      val)
    {
      string indent = "    ";

      buf.Append(indent);
      buf.Append(name);
      buf.Append(":");
      buf.Append(sep);
      buf.Append(indent);
      buf.Append(indent);
      buf.Append(val);
      buf.Append(sep);
    }
  }
}