public static string CreateDateTimeString(Calendar cal, bool parseDate, bool parseTime)
{
var datetimestr = new StringBuilder();
if (parseDate)
{
AppendInt(datetimestr, cal.get(Calendar.YEAR), 4, true, "");
AppendInt(datetimestr, cal.get(Calendar.MONTH), 2, false, "-");
AppendInt(datetimestr, cal.get(Calendar.DAY_OF_MONTH), 2, false, "-");
if (parseTime)
{
datetimestr.Append('T');
}
}
if (parseTime)
{
AppendInt(datetimestr, cal.get(Calendar.HOUR_OF_DAY), 2, false, "");
AppendInt(datetimestr, cal.get(Calendar.MINUTE), 2, false, ":");
AppendInt(datetimestr, cal.get(Calendar.SECOND), 2, false, ":");
if (cal.get(Calendar.MILLISECOND) > 0)
{
AppendInt(datetimestr, cal.get(Calendar.MILLISECOND), 3, false, ".");
}
}
TimeZone timezone = cal.TimeZone;
int zoneoffset = cal.get(Calendar.ZONE_OFFSET);
if (timezone.inDaylightTime(cal.Time))
{
zoneoffset += cal.get(Calendar.DST_OFFSET);
}
if (zoneoffset == 0)
{
datetimestr.Append('Z');
}
else
{
if (zoneoffset < 0)
{
datetimestr.Append('-');
zoneoffset = -zoneoffset;
}
else
{
datetimestr.Append('+');
}
int min = zoneoffset / (60 * 1000);
int hour = zoneoffset / (60 * 60 * 1000);
min -= hour * 60;
AppendInt(datetimestr, hour, 2, false, "");
AppendInt(datetimestr, min, 2, false, ":");
}
return(datetimestr.ToString());
}
public static Calendar ParseDateTime(string parsedstring, bool parseDate, bool parseTime)
{
if (parsedstring == null)
{
return(null);
}
int offset = 0;
int len = parsedstring.Length;
int year = 0, month = 0, day = 0;
if (parseDate)
{
offset += SkipOneCharacter(parsedstring, offset, '-', true);
year = ParseInt(parsedstring, offset, 4);
offset = offset + 4;
offset += SkipOneCharacter(parsedstring, offset, '-', false);
month = ParseInt(parsedstring, offset, 2);
offset = offset + 2;
offset += SkipOneCharacter(parsedstring, offset, '-', false);
day = ParseInt(parsedstring, offset, 2);
offset = offset + 2;
if (parseTime)
{
offset += SkipOneCharacter(parsedstring, offset, 'T', false);
}
}
int hour = 0, min = 0, sec = 0, msec = 0;
string timezone = "GMT";
if (parseTime)
{
hour = ParseInt(parsedstring, offset, 2);
offset = offset + 2;
offset += SkipOneCharacter(parsedstring, offset, ':', false);
min = ParseInt(parsedstring, offset, 2);
offset = offset + 2;
offset += SkipOneCharacter(parsedstring, offset, ':', false);
sec = ParseInt(parsedstring, offset, 2);
offset = offset + 2;
if (offset < len && parsedstring[offset] == '.')
{
offset++;
var digits = new StringBuilder();
for (; offset < len; offset++)
{
char c = parsedstring[offset];
if (char.IsDigit(c))
{
digits.Append(c);
}
else
{
break;
}
}
if (digits.Length > 0)
{
msec = Convert.ToInt32(digits.ToString());
}
else
{
throw new Indeterminate(Indeterminate.IndeterminateSyntaxError);
}
}
timezone = ParseTimeZone(parsedstring, offset);
}
Calendar cal = Calendar.GetInstance(TimeZone.getTimeZone(timezone));
cal.set(year, parseDate ? month : 0, day, hour, min, sec);
cal.set(Calendar.MILLISECOND, msec);
return(cal);
}
public void SetUtc()
{
this._timeZone = new TimeZone(TimeZoneInfo.Utc);
this._date = DateTime.UtcNow;
}
public static Calendar GetInstance(TimeZone timeZone)
{
return(new Calendar(timeZone));
}