PKIFreeText.cs :  » PDF » iTextSharp » Org » BouncyCastle » Asn1 » Cmp » C# / CSharp Open Source

using System;
using System.Collections;

namespace Org.BouncyCastle.Asn1.Cmp{
  public class PkiFreeText
    : Asn1Encodable
  {
    internal Asn1Sequence strings;

    public static PkiFreeText GetInstance(
      Asn1TaggedObject  obj,
      bool        isExplicit)
    {
      return GetInstance(Asn1Sequence.GetInstance(obj, isExplicit));
    }

    public static PkiFreeText GetInstance(
      object obj)
    {
      if (obj is PkiFreeText)
      {
        return (PkiFreeText)obj;
      }
      else if (obj is Asn1Sequence)
      {
        return new PkiFreeText((Asn1Sequence)obj);
      }

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

    public PkiFreeText(
      Asn1Sequence seq)
    {
      foreach (object o in seq)
      {
        if (!(o is DerUtf8String))
        {
          throw new ArgumentException("attempt to insert non UTF8 STRING into PkiFreeText");
        }
      }

      this.strings = seq;
    }

    public PkiFreeText(
      DerUtf8String p)
    {
      strings = new DerSequence(p);
    }

    /**
     * Return the number of string elements present.
     *
     * @return number of elements present.
     */
    [Obsolete("Use 'Count' property instead")]
    public int Size
    {
      get { return strings.Count; }
    }

    public int Count
    {
      get { return strings.Count; }
    }

    /**
     * Return the UTF8STRING at index.
     *
     * @param index index of the string of interest
     * @return the string at index.
     */
    public DerUtf8String this[int index]
    {
      get { return (DerUtf8String) strings[index]; }
    }

    [Obsolete("Use 'object[index]' syntax instead")]
    public DerUtf8String GetStringAt(
      int index)
    {
      return this[index];
    }

    /**
     * <pre>
     * PkiFreeText ::= SEQUENCE SIZE (1..MAX) OF UTF8String
     * </pre>
     */
    public override Asn1Object ToAsn1Object()
    {
      return strings;
    }
  }
}