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using System;
using System.Collections;
using Org.BouncyCastle.Asn1.X500;
namespace Org.BouncyCastle.Asn1.X509.SigI
{
/**
* Structure for a name or pseudonym.
*
* <pre>
* NameOrPseudonym ::= CHOICE {
* surAndGivenName SEQUENCE {
* surName DirectoryString,
* givenName SEQUENCE OF DirectoryString
* },
* pseudonym DirectoryString
* }
* </pre>
*
* @see org.bouncycastle.asn1.x509.sigi.PersonalData
*
*/
public class NameOrPseudonym
: Asn1Encodable, IAsn1Choice
{
private readonly DirectoryString pseudonym;
private readonly DirectoryString surname;
private readonly Asn1Sequence givenName;
public static NameOrPseudonym GetInstance(
object obj)
{
if (obj == null || obj is NameOrPseudonym)
{
return (NameOrPseudonym)obj;
}
if (obj is IAsn1String)
{
return new NameOrPseudonym(DirectoryString.GetInstance(obj));
}
if (obj is Asn1Sequence)
{
return new NameOrPseudonym((Asn1Sequence) obj);
}
throw new ArgumentException("unknown object in factory: " + obj.GetType().Name, "obj");
}
/**
* Constructor from DERString.
* <p/>
* The sequence is of type NameOrPseudonym:
* <p/>
* <pre>
* NameOrPseudonym ::= CHOICE {
* surAndGivenName SEQUENCE {
* surName DirectoryString,
* givenName SEQUENCE OF DirectoryString
* },
* pseudonym DirectoryString
* }
* </pre>
* @param pseudonym pseudonym value to use.
*/
public NameOrPseudonym(
DirectoryString pseudonym)
{
this.pseudonym = pseudonym;
}
/**
* Constructor from Asn1Sequence.
* <p/>
* The sequence is of type NameOrPseudonym:
* <p/>
* <pre>
* NameOrPseudonym ::= CHOICE {
* surAndGivenName SEQUENCE {
* surName DirectoryString,
* givenName SEQUENCE OF DirectoryString
* },
* pseudonym DirectoryString
* }
* </pre>
*
* @param seq The ASN.1 sequence.
*/
private NameOrPseudonym(
Asn1Sequence seq)
{
if (seq.Count != 2)
throw new ArgumentException("Bad sequence size: " + seq.Count);
if (!(seq[0] is IAsn1String))
throw new ArgumentException("Bad object encountered: " + seq[0].GetType().Name);
surname = DirectoryString.GetInstance(seq[0]);
givenName = Asn1Sequence.GetInstance(seq[1]);
}
/**
* Constructor from a given details.
*
* @param pseudonym The pseudonym.
*/
public NameOrPseudonym(
string pseudonym)
: this(new DirectoryString(pseudonym))
{
}
/**
* Constructor from a given details.
*
* @param surname The surname.
* @param givenName A sequence of directory strings making up the givenName
*/
public NameOrPseudonym(
DirectoryString surname,
Asn1Sequence givenName)
{
this.surname = surname;
this.givenName = givenName;
}
public DirectoryString Pseudonym
{
get { return pseudonym; }
}
public DirectoryString Surname
{
get { return surname; }
}
public DirectoryString[] GetGivenName()
{
DirectoryString[] items = new DirectoryString[givenName.Count];
int count = 0;
foreach (object o in givenName)
{
items[count++] = DirectoryString.GetInstance(o);
}
return items;
}
/**
* Produce an object suitable for an Asn1OutputStream.
* <p/>
* Returns:
* <p/>
* <pre>
* NameOrPseudonym ::= CHOICE {
* surAndGivenName SEQUENCE {
* surName DirectoryString,
* givenName SEQUENCE OF DirectoryString
* },
* pseudonym DirectoryString
* }
* </pre>
*
* @return an Asn1Object
*/
public override Asn1Object ToAsn1Object()
{
if (pseudonym != null)
{
return pseudonym.ToAsn1Object();
}
return new DerSequence(surname, givenName);
}
}
}
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