ServiceLocator.cs :  » PDF » iTextSharp » Org » BouncyCastle » Asn1 » Ocsp » C# / CSharp Open Source

using System;

using Org.BouncyCastle.Asn1;
using Org.BouncyCastle.Asn1.X509;

namespace Org.BouncyCastle.Asn1.Ocsp{
    public class ServiceLocator
        : Asn1Encodable
    {
        private readonly X509Name issuer;
        private readonly Asn1Object locator;

    public static ServiceLocator GetInstance(
      Asn1TaggedObject  obj,
      bool        explicitly)
    {
      return GetInstance(Asn1Sequence.GetInstance(obj, explicitly));
    }

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

      if (obj is Asn1Sequence)
      {
        return new ServiceLocator((Asn1Sequence) obj);
      }

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

    public ServiceLocator(
      X509Name  issuer)
      : this(issuer, null)
    {
    }

    public ServiceLocator(
      X509Name  issuer,
      Asn1Object  locator)
    {
      if (issuer == null)
        throw new ArgumentNullException("issuer");

      this.issuer = issuer;
      this.locator = locator;
    }

    private ServiceLocator(
      Asn1Sequence seq)
    {
      this.issuer = X509Name.GetInstance(seq[0]);

      if (seq.Count > 1)
      {
        this.locator = seq[1].ToAsn1Object();
      }
    }

    public X509Name Issuer
    {
      get { return issuer; }
    }

    public Asn1Object Locator
    {
      get { return locator; }
    }

    /**
         * Produce an object suitable for an Asn1OutputStream.
         * <pre>
         * ServiceLocator ::= Sequence {
         *     issuer    Name,
         *     locator   AuthorityInfoAccessSyntax OPTIONAL }
         * </pre>
         */
        public override Asn1Object ToAsn1Object()
        {
            Asn1EncodableVector v = new Asn1EncodableVector(issuer);

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

      return new DerSequence(v);
        }
    }
}