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Assets/Mapbox/Core/mapbox-sdk-cs/Utils/UnixTimestampUtils.cs

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+//-----------------------------------------------------------------------
+// <copyright file="PolylineUtils.cs" company="Mapbox">
+//     Copyright (c) 2016 Mapbox. All rights reserved.
+// </copyright>
+//-----------------------------------------------------------------------
+
+namespace Mapbox.Utils
+{
+	using System;
+	using System.Collections.Generic;
+	using System.Text;
+
+
+	/// <summary>
+	/// A set of Unix Timestamp utils.
+	/// </summary>
+	public static class UnixTimestampUtils
+	{
+
+		// http://gigi.nullneuron.net/gigilabs/converting-tofrom-unix-timestamp-in-c/
+
+		/// <summary>
+		/// Convert from DateTime to Unix timestamp
+		/// </summary>
+		/// <param name="date"></param>
+		/// <returns></returns>
+		public static double To(DateTime date)
+		{
+			return date.Subtract(new DateTime(1970, 1, 1, 0, 0, 0, DateTimeKind.Utc)).TotalSeconds;
+		}
+
+
+		/// <summary>
+		/// Convert from Unitx timestamp to DateTime. Uses TimeSpan.FromSeconds to caluclate offset since epoch 0
+		/// </summary>
+		/// <param name="timestamp"></param>
+		/// <returns></returns>
+		public static DateTime From(double timestamp)
+		{
+			return new DateTime(1970, 1, 1, 0, 0, 0, DateTimeKind.Utc).Add(TimeSpan.FromSeconds(timestamp));
+		}
+
+		/// <summary>
+		/// Convert from Unitx timestamp to DateTime. Uses TimeSpan.FromSeconds to caluclate offset since epoch 0
+		/// </summary>
+		/// <param name="timestamp"></param>
+		/// <returns></returns>
+		public static DateTime FromMilliseconds(double timestamp)
+		{
+			return new DateTime(1970, 1, 1, 0, 0, 0, DateTimeKind.Utc).Add(TimeSpan.FromMilliseconds(timestamp));
+		}
+
+		/// <summary>
+		/// Convert from Unitx timestamp to DateTime. Uses TimeSpan.FromTicks to caluclate offset since epoch 0
+		/// </summary>
+		/// <param name="timestamp"></param>
+		/// <returns></returns>
+		public static DateTime From(long timestamp)
+		{
+			return new DateTime(1970, 1, 1, 0, 0, 0, DateTimeKind.Utc).Add(TimeSpan.FromTicks(timestamp));
+		}
+
+
+	}
+}