GeneralNames.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{
  public class GeneralNames
    : Asn1Encodable
  {
    private readonly GeneralName[] names;

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

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

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

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

    /// <summary>Construct a GeneralNames object containing one GeneralName.</summary>
    /// <param name="name">The name to be contained.</param>
    public GeneralNames(
      GeneralName name)
    {
      names = new GeneralName[]{ name };
    }

    private GeneralNames(
      Asn1Sequence seq)
    {
      this.names = new GeneralName[seq.Count];

      for (int i = 0; i != seq.Count; i++)
      {
        names[i] = GeneralName.GetInstance(seq[i]);
      }
    }

    public GeneralName[] GetNames()
    {
      return (GeneralName[]) names.Clone();
    }

    /**
     * Produce an object suitable for an Asn1OutputStream.
     * <pre>
     * GeneralNames ::= Sequence SIZE {1..MAX} OF GeneralName
     * </pre>
     */
    public override Asn1Object ToAsn1Object()
    {
      return new DerSequence(names);
    }

    public override string ToString()
    {
      StringBuilder buf = new StringBuilder();
      string sep = Platform.NewLine;

      buf.Append("GeneralNames:");
      buf.Append(sep);

      foreach (GeneralName name in names)
      {
        buf.Append("    ");
        buf.Append(name);
        buf.Append(sep);
      }

      return buf.ToString();
    }
  }
}