1 files changed, 186 insertions, 0 deletions
diff --git a/Crypto/src/asn1/isismtt/x509/Admissions.cs b/Crypto/src/asn1/isismtt/x509/Admissions.cs
new file mode 100644
index 000000000..40290c608
--- /dev/null
+++ b/Crypto/src/asn1/isismtt/x509/Admissions.cs
@@ -0,0 +1,186 @@
+using System;
+using System.Collections;
+
+using Org.BouncyCastle.Asn1.X509;
+
+namespace Org.BouncyCastle.Asn1.IsisMtt.X509
+{
+	/**
+	* An Admissions structure.
+	* <p/>
+	* <pre>
+	*            Admissions ::= SEQUENCE
+	*            {
+	*              admissionAuthority [0] EXPLICIT GeneralName OPTIONAL
+	*              namingAuthority [1] EXPLICIT NamingAuthority OPTIONAL
+	*              professionInfos SEQUENCE OF ProfessionInfo
+	*            }
+	* <p/>
+	* </pre>
+	*
+	* @see Org.BouncyCastle.Asn1.IsisMtt.X509.AdmissionSyntax
+	* @see Org.BouncyCastle.Asn1.IsisMtt.X509.ProfessionInfo
+	* @see Org.BouncyCastle.Asn1.IsisMtt.X509.NamingAuthority
+	*/
+	public class Admissions
+		: Asn1Encodable
+	{
+		private readonly GeneralName		admissionAuthority;
+		private readonly NamingAuthority	namingAuthority;
+		private readonly Asn1Sequence		professionInfos;
+
+		public static Admissions GetInstance(
+			object obj)
+		{
+			if (obj == null || obj is Admissions)
+			{
+				return (Admissions) obj;
+			}
+
+			if (obj is Asn1Sequence)
+			{
+				return new Admissions((Asn1Sequence) obj);
+			}
+
+			throw new ArgumentException("unknown object in factory: " + obj.GetType().Name, "obj");
+		}
+
+		/**
+		* Constructor from Asn1Sequence.
+		* <p/>
+		* The sequence is of type ProcurationSyntax:
+		* <p/>
+		* <pre>
+		*            Admissions ::= SEQUENCE
+		*            {
+		*              admissionAuthority [0] EXPLICIT GeneralName OPTIONAL
+		*              namingAuthority [1] EXPLICIT NamingAuthority OPTIONAL
+		*              professionInfos SEQUENCE OF ProfessionInfo
+		*            }
+		* </pre>
+		*
+		* @param seq The ASN.1 sequence.
+		*/
+		private Admissions(
+			Asn1Sequence seq)
+		{
+			if (seq.Count > 3)
+				throw new ArgumentException("Bad sequence size: " + seq.Count);
+
+			IEnumerator e = seq.GetEnumerator();
+
+			e.MoveNext();
+			Asn1Encodable o = (Asn1Encodable) e.Current;
+			if (o is Asn1TaggedObject)
+			{
+				switch (((Asn1TaggedObject)o).TagNo)
+				{
+					case 0:
+						admissionAuthority = GeneralName.GetInstance((Asn1TaggedObject)o, true);
+						break;
+					case 1:
+						namingAuthority = NamingAuthority.GetInstance((Asn1TaggedObject)o, true);
+						break;
+					default:
+						throw new ArgumentException("Bad tag number: " + ((Asn1TaggedObject)o).TagNo);
+				}
+				e.MoveNext();
+				o = (Asn1Encodable) e.Current;
+			}
+			if (o is Asn1TaggedObject)
+			{
+				switch (((Asn1TaggedObject)o).TagNo)
+				{
+					case 1:
+						namingAuthority = NamingAuthority.GetInstance((Asn1TaggedObject)o, true);
+						break;
+					default:
+						throw new ArgumentException("Bad tag number: " + ((Asn1TaggedObject)o).TagNo);
+				}
+				e.MoveNext();
+				o = (Asn1Encodable) e.Current;
+			}
+			professionInfos = Asn1Sequence.GetInstance(o);
+			if (e.MoveNext())
+			{
+				throw new ArgumentException("Bad object encountered: " + e.Current.GetType().Name);
+			}
+		}
+
+		/**
+		* Constructor from a given details.
+		* <p/>
+		* Parameter <code>professionInfos</code> is mandatory.
+		*
+		* @param admissionAuthority The admission authority.
+		* @param namingAuthority    The naming authority.
+		* @param professionInfos    The profession infos.
+		*/
+		public Admissions(
+			GeneralName			admissionAuthority,
+			NamingAuthority		namingAuthority,
+			ProfessionInfo[]	professionInfos)
+		{
+			this.admissionAuthority = admissionAuthority;
+			this.namingAuthority = namingAuthority;
+			this.professionInfos = new DerSequence(professionInfos);
+		}
+
+		public virtual GeneralName AdmissionAuthority
+		{
+			get { return admissionAuthority; }
+		}
+
+		public virtual NamingAuthority NamingAuthority
+		{
+			get { return namingAuthority; }
+		}
+
+		public ProfessionInfo[] GetProfessionInfos()
+		{
+			ProfessionInfo[] infos = new ProfessionInfo[professionInfos.Count];
+			int count = 0;
+			foreach (Asn1Encodable ae in professionInfos)
+			{
+				infos[count++] = ProfessionInfo.GetInstance(ae);
+			}
+			return infos;
+		}
+
+		/**
+		* Produce an object suitable for an Asn1OutputStream.
+		* <p/>
+		* Returns:
+		* <p/>
+		* <pre>
+		*       Admissions ::= SEQUENCE
+		*       {
+		*         admissionAuthority [0] EXPLICIT GeneralName OPTIONAL
+		*         namingAuthority [1] EXPLICIT NamingAuthority OPTIONAL
+		*         professionInfos SEQUENCE OF ProfessionInfo
+		*       }
+		* <p/>
+		* </pre>
+		*
+		* @return an Asn1Object
+		*/
+		public override Asn1Object ToAsn1Object()
+		{
+			Asn1EncodableVector vec = new Asn1EncodableVector();
+
+			if (admissionAuthority != null)
+			{
+				vec.Add(new DerTaggedObject(true, 0, admissionAuthority));
+			}
+
+			if (namingAuthority != null)
+			{
+				vec.Add(new DerTaggedObject(true, 1, namingAuthority));
+			}
+
+			vec.Add(professionInfos);
+
+			return new DerSequence(vec);
+		}
+	}
+}