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[Cronoscontrol-development] SF.net SVN: cronoscontrol:[16] source/trunk/CronosControl/Libraries/Common/ Utils/DateTimeHelper.cs
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From: <mar...@us...> - 2010-02-06 23:07:01
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Revision: 16
http://cronoscontrol.svn.sourceforge.net/cronoscontrol/?rev=16&view=rev
Author: marioarce
Date: 2010-02-06 23:06:55 +0000 (Sat, 06 Feb 2010)
Log Message:
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Ticket #5
added DateTimeHelper.cs class that implements some methods for processing of dates and times
Added Paths:
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source/trunk/CronosControl/Libraries/Common/Utils/DateTimeHelper.cs
Added: source/trunk/CronosControl/Libraries/Common/Utils/DateTimeHelper.cs
===================================================================
--- source/trunk/CronosControl/Libraries/Common/Utils/DateTimeHelper.cs (rev 0)
+++ source/trunk/CronosControl/Libraries/Common/Utils/DateTimeHelper.cs 2010-02-06 23:06:55 UTC (rev 16)
@@ -0,0 +1,138 @@
+//------------------------------------------------------------------------------
+// The contents of this file are subject to the GNU General Public License Version 3.0 ("License"); you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at http://www.cronoscontrol.net/license.html.
+//
+// Software distributed under the License is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or implied.
+// See the License for the specific language governing rights and limitations under the License.
+//
+// The Original Code is CronosControl.
+// The Initial Developer of the Original Code is WebImageConsulting http://www.wicnow.com/.
+// All Rights Reserved.
+//
+// Contributor(s): Mario Alberto Arce, _______.
+//------------------------------------------------------------------------------
+
+using System;
+using System.Linq;
+using System.Text;
+using System.Collections.Generic;
+using System.Collections.ObjectModel;
+
+namespace CronosControl.Common.Utils
+{
+ /// <summary>
+ /// Represents a datetime helper
+ /// </summary>
+ public partial class DateTimeHelper
+ {
+ #region Methods
+ /// <summary>
+ /// Retrieves a System.TimeZoneInfo object from the registry based on its identifier.
+ /// </summary>
+ /// <param name="id">The time zone identifier, which corresponds to the System.TimeZoneInfo.Id property.</param>
+ /// <returns>A System.TimeZoneInfo object whose identifier is the value of the id parameter.</returns>
+ public static TimeZoneInfo FindTimeZoneById(string id)
+ {
+ return TimeZoneInfo.FindSystemTimeZoneById(id);
+ }
+
+ /// <summary>
+ /// Returns a sorted collection of all the time zones
+ /// </summary>
+ /// <returns>A read-only collection of System.TimeZoneInfo objects.</returns>
+ public static ReadOnlyCollection<TimeZoneInfo> GetSystemTimeZones()
+ {
+ return TimeZoneInfo.GetSystemTimeZones();
+ }
+
+ /// <summary>
+ /// Converts the date and time to current user date and time
+ /// </summary>
+ /// <param name="dt">The date and time (respesents local system time or UTC time) to convert.</param>
+ /// <returns>A DateTime value that represents time that corresponds to the dateTime parameter in customer time zone.</returns>
+ public static DateTime ConvertToUserTime(DateTime dt)
+ {
+ TimeZoneInfo currentUserTimeZoneInfo = DateTimeHelper.CurrentTimeZone;
+ return TimeZoneInfo.ConvertTime(dt, currentUserTimeZoneInfo);
+ }
+
+ /// <summary>
+ /// Converts the date and time to current user date and time
+ /// </summary>
+ /// <param name="dt">The date and time to convert.</param>
+ /// <param name="sourceTimeZone">The time zone of dateTime.</param>
+ /// <returns>A DateTime value that represents time that corresponds to the dateTime parameter in customer time zone.</returns>
+ public static DateTime ConvertToUserTime(DateTime dt, TimeZoneInfo sourceTimeZone)
+ {
+ TimeZoneInfo currentUserTimeZoneInfo = DateTimeHelper.CurrentTimeZone;
+ return TimeZoneInfo.ConvertTime(dt, sourceTimeZone, currentUserTimeZoneInfo);
+ }
+
+ /// <summary>
+ /// Converts the date and time to Coordinated Universal Time (UTC)
+ /// </summary>
+ /// <param name="dt">The date and time (respesents local system time or UTC time) to convert.</param>
+ /// <returns>A DateTime value that represents the Coordinated Universal Time (UTC) that corresponds to the dateTime parameter. The DateTime value's Kind property is always set to DateTimeKind.Utc.</returns>
+ public static DateTime ConvertToUtcTime(DateTime dt)
+ {
+ return TimeZoneInfo.ConvertTimeToUtc(dt);
+ }
+
+ /// <summary>
+ /// Converts the date and time to Coordinated Universal Time (UTC)
+ /// </summary>
+ /// <param name="dt">The date and time to convert.</param>
+ /// <param name="sourceTimeZone">The time zone of dateTime.</param>
+ /// <returns>A DateTime value that represents the Coordinated Universal Time (UTC) that corresponds to the dateTime parameter. The DateTime value's Kind property is always set to DateTimeKind.Utc.</returns>
+ public static DateTime ConvertToUtcTime(DateTime dt, TimeZoneInfo sourceTimeZone)
+ {
+ return TimeZoneInfo.ConvertTimeToUtc(dt, sourceTimeZone);
+ }
+ #endregion
+
+ #region Properties
+ /// <summary>
+ /// Gets or sets a default store time zone
+ /// </summary>
+ private static TimeZoneInfo _defaultStoreTimeZone = null;
+ public static TimeZoneInfo DefaultStoreTimeZone
+ {
+ get
+ {
+ if (_defaultStoreTimeZone == null)
+ _defaultStoreTimeZone = TimeZoneInfo.Local;
+ return _defaultStoreTimeZone;
+ }
+ set
+ {
+ if (value != null)
+ {
+ _defaultStoreTimeZone = value;
+ }
+ }
+ }
+
+ /// <summary>
+ /// Gets or sets the current user time zone
+ /// </summary>
+ private static TimeZoneInfo _currentTimeZone = null;
+ public static TimeZoneInfo CurrentTimeZone
+ {
+ get
+ {
+ if (_currentTimeZone == null)
+ _currentTimeZone = DateTimeHelper.DefaultStoreTimeZone;
+
+ return _currentTimeZone;
+ }
+ set
+ {
+ if (value != null)
+ {
+ _currentTimeZone = value;
+ }
+ }
+ }
+ #endregion
+ }
+}
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