Initial Commit

iTechSharp/srcbc/asn1/x509/sigi/NameOrPseudonym.cs

@@ -0,0 +1,178 @@
+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
+		//, Asn1Choice
+	{
+		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);
+		}
+	}
+}