1 files changed, 33 insertions, 0 deletions
diff --git a/crypto/src/openpgp/PGPUserAttributeSubpacketVectorGenerator.cs b/crypto/src/openpgp/PGPUserAttributeSubpacketVectorGenerator.cs
new file mode 100644
index 000000000..9d56c8bc3
--- /dev/null
+++ b/crypto/src/openpgp/PGPUserAttributeSubpacketVectorGenerator.cs
@@ -0,0 +1,33 @@
+using System;
+using System.Collections;
+
+using Org.BouncyCastle.Bcpg.Attr;
+using Org.BouncyCastle.Utilities;
+
+namespace Org.BouncyCastle.Bcpg.OpenPgp
+{
+	public class PgpUserAttributeSubpacketVectorGenerator
+	{
+		private IList list = Platform.CreateArrayList();
+
+		public virtual void SetImageAttribute(
+			ImageAttrib.Format	imageType,
+			byte[]				imageData)
+		{
+			if (imageData == null)
+				throw new ArgumentException("attempt to set null image", "imageData");
+
+			list.Add(new ImageAttrib(imageType, imageData));
+		}
+
+        public virtual PgpUserAttributeSubpacketVector Generate()
+		{
+            UserAttributeSubpacket[] a = new UserAttributeSubpacket[list.Count];
+            for (int i = 0; i < list.Count; ++i)
+            {
+                a[i] = (UserAttributeSubpacket)list[i];
+            }
+            return new PgpUserAttributeSubpacketVector(a);
+		}
+	}
+}