Renamed assembly DotNetOpenAuth.Messaging(.UI) to DotNetOpenAuth.Core(.UI)

1 files changed, 61 insertions, 0 deletions

diff --git a/src/DotNetOpenAuth.Core/Messaging/TimestampEncoder.cs b/src/DotNetOpenAuth.Core/Messaging/TimestampEncoder.cs
new file mode 100644
index 0000000..b83a426
--- /dev/null
+++ b/src/DotNetOpenAuth.Core/Messaging/TimestampEncoder.cs
@@ -0,0 +1,61 @@
+//-----------------------------------------------------------------------
+// <copyright file="TimestampEncoder.cs" company="Andrew Arnott">
+//     Copyright (c) Andrew Arnott. All rights reserved.
+// </copyright>
+//-----------------------------------------------------------------------
+
+namespace DotNetOpenAuth.Messaging {
+	using System;
+	using System.Globalization;
+	using DotNetOpenAuth.Messaging.Reflection;
+
+	/// <summary>
+	/// Translates between a <see cref="DateTime"/> and the number of seconds between it and 1/1/1970 12 AM
+	/// </summary>
+	internal class TimestampEncoder : IMessagePartEncoder {
+		/// <summary>
+		/// The reference date and time for calculating time stamps.
+		/// </summary>
+		internal static readonly DateTime Epoch = new DateTime(1970, 1, 1, 0, 0, 0, DateTimeKind.Utc);
+
+		/// <summary>
+		/// Initializes a new instance of the <see cref="TimestampEncoder"/> class.
+		/// </summary>
+		public TimestampEncoder() {
+		}
+
+		/// <summary>
+		/// Encodes the specified value.
+		/// </summary>
+		/// <param name="value">The value.  Guaranteed to never be null.</param>
+		/// <returns>
+		/// The <paramref name="value"/> in string form, ready for message transport.
+		/// </returns>
+		public string Encode(object value) {
+			if (value == null) {
+				return null;
+			}
+
+			var timestamp = (DateTime)value;
+			TimeSpan secondsSinceEpoch = timestamp - Epoch;
+			return ((int)secondsSinceEpoch.TotalSeconds).ToString(CultureInfo.InvariantCulture);
+		}
+
+		/// <summary>
+		/// Decodes the specified value.
+		/// </summary>
+		/// <param name="value">The string value carried by the transport.  Guaranteed to never be null, although it may be empty.</param>
+		/// <returns>
+		/// The deserialized form of the given string.
+		/// </returns>
+		/// <exception cref="FormatException">Thrown when the string value given cannot be decoded into the required object type.</exception>
+		public object Decode(string value) {
+			if (value == null) {
+				return null;
+			}
+
+			var secondsSinceEpoch = int.Parse(value, CultureInfo.InvariantCulture);
+			return Epoch.AddSeconds(secondsSinceEpoch);
+		}
+	}
+}