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/cms/CMSProcessableInputStream.cs | 52 +++++++++++++++++++++++++++++
 1 file changed, 52 insertions(+)
 create mode 100644 Crypto/src/cms/CMSProcessableInputStream.cs

(limited to 'Crypto/src/cms/CMSProcessableInputStream.cs')

diff --git a/Crypto/src/cms/CMSProcessableInputStream.cs b/Crypto/src/cms/CMSProcessableInputStream.cs
new file mode 100644
index 000000000..d10d059c6
--- /dev/null
+++ b/Crypto/src/cms/CMSProcessableInputStream.cs
@@ -0,0 +1,52 @@
+using System;
+using System.IO;
+
+using Org.BouncyCastle.Utilities.IO;
+
+namespace Org.BouncyCastle.Cms
+{
+	public class CmsProcessableInputStream
+		: CmsProcessable, CmsReadable
+	{
+		private Stream input;
+		private bool used = false;
+
+		public CmsProcessableInputStream(
+			Stream input)
+		{
+			this.input = input;
+		}
+
+		public Stream GetInputStream()
+		{
+			CheckSingleUsage();
+
+			return input;
+		}
+
+		public void Write(Stream output)
+		{
+			CheckSingleUsage();
+
+			Streams.PipeAll(input, output);
+			input.Dispose();
+		}
+
+		[Obsolete]
+		public object GetContent()
+		{
+			return GetInputStream();
+		}
+
+		private void CheckSingleUsage()
+		{
+			lock (this)
+			{
+				if (used)
+					throw new InvalidOperationException("CmsProcessableInputStream can only be used once");
+
+				used = true;
+			}
+		}
+	}
+}
-- 
cgit 1.5.1