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niandeng
2020-09-17 18:40:01 +08:00
parent 4382915d09
commit d957abceaa
283 changed files with 86935 additions and 63 deletions
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source/org/mangui/hls/utils/DateUtil.as
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/**
* DateUtil
*
* inspired by https://code.google.com/p/as3corelib/source/browse/trunk/src/com/adobe/utils/DateUtil.as#531
*/
package org.mangui.hls.utils {
public class DateUtil {
public static function parseW3CDTF(str:String):Date
{
var finalDate:Date;
try
{
var dateStr:String = str.substring(0, str.indexOf("T"));
var timeStr:String = str.substring(str.indexOf("T")+1, str.length);
var dateArr:Array = dateStr.split("-");
var year:Number = Number(dateArr.shift());
var month:Number = Number(dateArr.shift());
var date:Number = Number(dateArr.shift());
var multiplier:Number;
var offsetHours:Number;
var offsetMinutes:Number;
var offsetStr:String;
if (timeStr.indexOf("Z") != -1)
{
multiplier = 1;
offsetHours = 0;
offsetMinutes = 0;
timeStr = timeStr.replace("Z", "");
}
else if (timeStr.indexOf("+") != -1)
{
multiplier = 1;
offsetStr = timeStr.substring(timeStr.indexOf("+")+1, timeStr.length);
offsetHours = Number(offsetStr.substring(0, offsetStr.indexOf(":")));
offsetMinutes = Number(offsetStr.substring(offsetStr.indexOf(":")+1, offsetStr.length));
timeStr = timeStr.substring(0, timeStr.indexOf("+"));
}
else // offset is -
{
multiplier = -1;
offsetStr = timeStr.substring(timeStr.indexOf("-")+1, timeStr.length);
offsetHours = Number(offsetStr.substring(0, offsetStr.indexOf(":")));
offsetMinutes = Number(offsetStr.substring(offsetStr.indexOf(":")+1, offsetStr.length));
timeStr = timeStr.substring(0, timeStr.indexOf("-"));
}
var timeArr:Array = timeStr.split(":");
var hour:Number = Number(timeArr.shift());
var minutes:Number = Number(timeArr.shift());
var secondsArr:Array = (timeArr.length > 0) ? String(timeArr.shift()).split(".") : null;
var seconds:Number = (secondsArr != null && secondsArr.length > 0) ? Number(secondsArr.shift()) : 0;
//var milliseconds:Number = (secondsArr != null && secondsArr.length > 0) ? Number(secondsArr.shift()) : 0;
var milliseconds:Number = (secondsArr != null && secondsArr.length > 0) ? 1000*parseFloat("0." + secondsArr.shift()) : 0;
var utc:Number = Date.UTC(year, month-1, date, hour, minutes, seconds, milliseconds);
var offset:Number = (((offsetHours * 3600000) + (offsetMinutes * 60000)) * multiplier);
finalDate = new Date(utc - offset);
if (finalDate.toString() == "Invalid Date")
{
throw new Error("This date does not conform to W3CDTF.");
}
}
catch (e:Error)
{
var eStr:String = "Unable to parse the string [" +str+ "] into a date. ";
eStr += "The internal error was: " + e.toString();
throw new Error(eStr);
}
return finalDate;
}
}
}