DirectoryString.cs :  » PDF » iTextSharp » Org » BouncyCastle » Asn1 » X500 » C# / CSharp Open Source

using System;

namespace Org.BouncyCastle.Asn1.X500{
  public class DirectoryString
    : Asn1Encodable, IAsn1Choice, IAsn1String
  {
    private readonly DerStringBase str;

    public static DirectoryString GetInstance(
      object obj)
    {
      if (obj is DirectoryString)
      {
        return (DirectoryString) obj;
      }

      if (obj is DerStringBase)
      {
        if (obj is DerT61String
          || obj is DerPrintableString
          || obj is DerUniversalString
          || obj is DerUtf8String
          || obj is DerBmpString)
        {
          return new DirectoryString((DerStringBase) obj);
        }
      }

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

    public static DirectoryString GetInstance(
      Asn1TaggedObject  obj,
      bool        isExplicit)
    {
      if (!isExplicit)
        throw new ArgumentException("choice item must be explicitly tagged");

      return GetInstance(obj.GetObject());
    }

    private DirectoryString(
      DerStringBase str)
    {
      this.str = str;
    }

    public DirectoryString(
      string str)
    {
      this.str = new DerUtf8String(str);
    }

    public string GetString()
    {
      return str.GetString();
    }

    /**
     * <pre>
     *  DirectoryString ::= CHOICE {
     *    teletexString               TeletexString (SIZE (1..MAX)),
     *    printableString             PrintableString (SIZE (1..MAX)),
     *    universalString             UniversalString (SIZE (1..MAX)),
     *    utf8String                  UTF8String (SIZE (1..MAX)),
     *    bmpString                   BMPString (SIZE (1..MAX))  }
     * </pre>
     */
    public override Asn1Object ToAsn1Object()
    {
      return str.ToAsn1Object();
    }
  }
}