1 files changed, 56 insertions, 0 deletions
diff --git a/src/DotNetOpenAuth.Core/Messaging/InternalErrorException.cs b/src/DotNetOpenAuth.Core/Messaging/InternalErrorException.cs
new file mode 100644
index 0000000..32b44f2
--- /dev/null
+++ b/src/DotNetOpenAuth.Core/Messaging/InternalErrorException.cs
@@ -0,0 +1,56 @@
+//-----------------------------------------------------------------------
+// <copyright file="InternalErrorException.cs" company="Andrew Arnott">
+//     Copyright (c) Andrew Arnott. All rights reserved.
+// </copyright>
+//-----------------------------------------------------------------------
+
+namespace DotNetOpenAuth.Messaging {
+	using System;
+	using System.Diagnostics.CodeAnalysis;
+
+	/// <summary>
+	/// An internal exception to throw if an internal error within the library requires
+	/// an abort of the operation.
+	/// </summary>
+	/// <remarks>
+	/// This exception is internal to prevent clients of the library from catching what is
+	/// really an unexpected, potentially unrecoverable exception.
+	/// </remarks>
+	[SuppressMessage("Microsoft.Design", "CA1064:ExceptionsShouldBePublic", Justification = "We want this to be internal so clients cannot catch it.")]
+	[Serializable]
+	internal class InternalErrorException : Exception {
+		/// <summary>
+		/// Initializes a new instance of the <see cref="InternalErrorException"/> class.
+		/// </summary>
+		public InternalErrorException() { }
+
+		/// <summary>
+		/// Initializes a new instance of the <see cref="InternalErrorException"/> class.
+		/// </summary>
+		/// <param name="message">The message.</param>
+		public InternalErrorException(string message) : base(message) { }
+
+		/// <summary>
+		/// Initializes a new instance of the <see cref="InternalErrorException"/> class.
+		/// </summary>
+		/// <param name="message">The message.</param>
+		/// <param name="inner">The inner exception.</param>
+		public InternalErrorException(string message, Exception inner) : base(message, inner) { }
+
+		/// <summary>
+		/// Initializes a new instance of the <see cref="InternalErrorException"/> class.
+		/// </summary>
+		/// <param name="info">The <see cref="T:System.Runtime.Serialization.SerializationInfo"/> that holds the serialized object data about the exception being thrown.</param>
+		/// <param name="context">The <see cref="T:System.Runtime.Serialization.StreamingContext"/> that contains contextual information about the source or destination.</param>
+		/// <exception cref="T:System.ArgumentNullException">
+		/// The <paramref name="info"/> parameter is null.
+		/// </exception>
+		/// <exception cref="T:System.Runtime.Serialization.SerializationException">
+		/// The class name is null or <see cref="P:System.Exception.HResult"/> is zero (0).
+		/// </exception>
+		protected InternalErrorException(
+		  System.Runtime.Serialization.SerializationInfo info,
+		  System.Runtime.Serialization.StreamingContext context)
+			: base(info, context) { }
+	}
+}