From 176743ab5faec2dd275b5efd3a2dd62c610f237a Mon Sep 17 00:00:00 2001
From: Oren Novotny <oren@novotny.org>
Date: Wed, 26 Feb 2014 10:08:50 -0500
Subject: Add BouncyCastle PCL files

---
 Crypto/src/util/io/TeeInputStream.cs | 54 ++++++++++++++++++++++++++++++++++++
 1 file changed, 54 insertions(+)
 create mode 100644 Crypto/src/util/io/TeeInputStream.cs

(limited to 'Crypto/src/util/io/TeeInputStream.cs')

diff --git a/Crypto/src/util/io/TeeInputStream.cs b/Crypto/src/util/io/TeeInputStream.cs
new file mode 100644
index 000000000..fed9823f0
--- /dev/null
+++ b/Crypto/src/util/io/TeeInputStream.cs
@@ -0,0 +1,54 @@
+using System;
+using System.Diagnostics;
+using System.IO;
+
+namespace Org.BouncyCastle.Utilities.IO
+{
+	public class TeeInputStream
+		: BaseInputStream
+	{
+		private readonly Stream input, tee;
+
+		public TeeInputStream(Stream input, Stream tee)
+		{
+			Debug.Assert(input.CanRead);
+			Debug.Assert(tee.CanWrite);
+
+			this.input = input;
+			this.tee = tee;
+		}
+
+        protected override void Dispose(bool disposing)
+        {
+            if (disposing)
+            {
+                input.Dispose();
+                tee.Dispose();
+            }
+        }
+
+		public override int Read(byte[] buf, int off, int len)
+		{
+			int i = input.Read(buf, off, len);
+
+			if (i > 0)
+			{
+				tee.Write(buf, off, i);
+			}
+
+			return i;
+		}
+
+		public override int ReadByte()
+		{
+			int i = input.ReadByte();
+
+			if (i >= 0)
+			{
+				tee.WriteByte((byte)i);
+			}
+
+			return i;
+		}
+	}
+}
-- 
cgit 1.5.1