mirror of
https://github.com/xcp-ng/xenadmin.git
synced 2024-12-29 23:30:10 +01:00
69 lines
2.7 KiB
C#
69 lines
2.7 KiB
C#
/* Copyright (c) Citrix Systems Inc.
|
|
* All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms,
|
|
* with or without modification, are permitted provided
|
|
* that the following conditions are met:
|
|
*
|
|
* * Redistributions of source code must retain the above
|
|
* copyright notice, this list of conditions and the
|
|
* following disclaimer.
|
|
* * Redistributions in binary form must reproduce the above
|
|
* copyright notice, this list of conditions and the
|
|
* following disclaimer in the documentation and/or other
|
|
* materials provided with the distribution.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
|
|
* CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
|
|
* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
|
|
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
|
|
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
|
|
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
|
|
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
|
|
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
|
|
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
|
|
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
|
|
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
|
|
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
|
|
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
|
* SUCH DAMAGE.
|
|
*/
|
|
|
|
using System;
|
|
using System.Globalization;
|
|
|
|
namespace Citrix.XenCenter
|
|
{
|
|
public class TimeUtil
|
|
{
|
|
public const long TicksBefore1970 = 621355968000000000;
|
|
|
|
public const string ISO8601DateFormat = "yyyyMMddTHH:mm:ssZ";
|
|
|
|
public static long TicksToSeconds(long ticks)
|
|
{
|
|
return ticks / 10000000;
|
|
}
|
|
|
|
public static long TicksToSecondsSince1970(long ticks)
|
|
{
|
|
return (long)Math.Floor(new TimeSpan(ticks - (TicksBefore1970)).TotalSeconds);
|
|
}
|
|
|
|
/// <summary>
|
|
/// Parses an ISO 8601 date/time into a DateTime.
|
|
/// </summary>
|
|
/// <param name="toParse">Must be of the format yyyyMMddTHH:mm:ssZ. Must not be null.</param>
|
|
/// <returns>The parsed DateTime with Kind DateTimeKind.Utc.</returns>
|
|
public static DateTime ParseISO8601DateTime(string toParse)
|
|
{
|
|
return DateTime.ParseExact(toParse, ISO8601DateFormat, CultureInfo.InvariantCulture, DateTimeStyles.AdjustToUniversal);
|
|
}
|
|
|
|
public static string ToISO8601DateTime(DateTime t)
|
|
{
|
|
return t.ToUniversalTime().ToString(ISO8601DateFormat, CultureInfo.InvariantCulture);
|
|
}
|
|
}
|
|
}
|