1 files changed, 84 insertions, 0 deletions
diff --git a/crypto/src/asn1/x509/qualified/Iso4217CurrencyCode.cs b/crypto/src/asn1/x509/qualified/Iso4217CurrencyCode.cs
new file mode 100644
index 000000000..3300562c8
--- /dev/null
+++ b/crypto/src/asn1/x509/qualified/Iso4217CurrencyCode.cs
@@ -0,0 +1,84 @@
+using System;
+
+using Org.BouncyCastle.Asn1;
+
+namespace Org.BouncyCastle.Asn1.X509.Qualified
+{
+    /**
+    * The Iso4217CurrencyCode object.
+    * <pre>
+    * Iso4217CurrencyCode  ::=  CHOICE {
+    *       alphabetic              PrintableString (SIZE 3), --Recommended
+    *       numeric              INTEGER (1..999) }
+    * -- Alphabetic or numeric currency code as defined in ISO 4217
+    * -- It is recommended that the Alphabetic form is used
+    * </pre>
+    */
+    public class Iso4217CurrencyCode
+        : Asn1Encodable, IAsn1Choice
+    {
+        internal const int AlphabeticMaxSize = 3;
+        internal const int NumericMinSize = 1;
+        internal const int NumericMaxSize = 999;
+
+		internal Asn1Encodable	obj;
+//        internal int			numeric;
+
+		public static Iso4217CurrencyCode GetInstance(
+            object obj)
+        {
+            if (obj == null || obj is Iso4217CurrencyCode)
+            {
+                return (Iso4217CurrencyCode) obj;
+            }
+
+			if (obj is DerInteger)
+            {
+                DerInteger numericobj = DerInteger.GetInstance(obj);
+                int numeric = numericobj.Value.IntValue;
+                return new Iso4217CurrencyCode(numeric);
+            }
+
+			if (obj is DerPrintableString)
+            {
+                DerPrintableString alphabetic = DerPrintableString.GetInstance(obj);
+                return new Iso4217CurrencyCode(alphabetic.GetString());
+            }
+
+			throw new ArgumentException("unknown object in GetInstance: " + obj.GetType().FullName, "obj");
+        }
+
+		public Iso4217CurrencyCode(
+            int numeric)
+        {
+            if (numeric > NumericMaxSize || numeric < NumericMinSize)
+            {
+                throw new ArgumentException("wrong size in numeric code : not in (" +NumericMinSize +".."+ NumericMaxSize +")");
+            }
+
+			obj = new DerInteger(numeric);
+        }
+
+		public Iso4217CurrencyCode(
+            string alphabetic)
+        {
+            if (alphabetic.Length > AlphabeticMaxSize)
+            {
+                throw new ArgumentException("wrong size in alphabetic code : max size is " + AlphabeticMaxSize);
+            }
+
+			obj = new DerPrintableString(alphabetic);
+        }
+
+		public bool IsAlphabetic { get { return obj is DerPrintableString; } }
+
+		public string Alphabetic { get { return ((DerPrintableString) obj).GetString(); } }
+
+		public int Numeric { get { return ((DerInteger)obj).Value.IntValue; } }
+
+		public override Asn1Object ToAsn1Object()
+        {
+            return obj.ToAsn1Object();
+        }
+    }
+}