Java Utililty Methods Long Number to Date

List of utility methods to do Long Number to Date

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Description

The list of methods to do Long Number to Date are organized into topic(s).

Method

StringformatDateTimeStamp(final long timeInMillis, final String dateFormatString)
Formats a date into a given timestamp format. 
String tmpString = "";
Calendar cal = Calendar.getInstance();
cal.setTimeInMillis(timeInMillis);
java.util.Date date = cal.getTime();
SimpleDateFormat format = new SimpleDateFormat(dateFormatString);
tmpString = format.format(date);
return tmpString;
StringformateDate(Long date, String format)
formate Date 
if (date == null) {
    return "";
SimpleDateFormat dateFormat = new SimpleDateFormat(format);
return dateFormat.format(new Date(date));
StringformatEpoch(long date)
format Epoch 
final String parsedDate = rubyDateFormat.format(parseEpoch(date));
assert (parsedDate != null);
return parsedDate;
StringformatHttpDate(long d)
format Http Date 
GregorianCalendar gc = new GregorianCalendar(TimeZone.getTimeZone("GMT"));
gc.setTimeInMillis(d);
return getSDF().format(gc.getTime());
StringformatHTTPDate(long pTime)
Formats the time to a HTTP date, using the RFC 1123 format, as described in RFC 2616 (HTTP/1.1), sec. 
return formatHTTPDate(new Date(pTime));
StringformatHttpDate(long time)
format Http Date 
synchronized (HTTP_DATE_FORMAT) {
    return HTTP_DATE_FORMAT.format(new Date(time * 1000));
StringgetDatebyLong(long dt)
get Dateby Long 
Date date = new Date(dt);
return formatDate(date, "yyyy-MM-dd");
StringgetDateByLongTime(long time)
get Date By Long Time 
SimpleDateFormat sdf = new SimpleDateFormat("yyyyMMddHHmmss");
Date dt = new Date(time);
String timeStr = sdf.format(dt);
return timeStr;
StringgetDateByMis(long m)
get Date By Mis 
DateFormat formatter = new SimpleDateFormat("yyyy-MM-dd hh:mm:ss");
long now = System.currentTimeMillis();
Calendar calendar = Calendar.getInstance();
calendar.setTimeInMillis(now + m);
return formatter.format(calendar.getTime());
StringgetDateByMisSecond(long misSecond)
get Date By Mis Second 
if (misSecond < 0) {
    throw new IllegalArgumentException("The misSecond must not be negative");
Calendar cal = Calendar.getInstance();
cal.setTimeInMillis(misSecond);
java.util.Date date = cal.getTime();
return getStrDate(date);