Java Utililty Methods Timestamp

List of utility methods to do Timestamp

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Description

The list of methods to do Timestamp are organized into topic(s).

Method

longcalcRealTime(Timestamp beginTime, Timestamp endTime)
calc Real Time 
Calendar beginC = getRealCalendar(beginTime);
Calendar endC = getRealCalendar(endTime);
long span = (endC.getTimeInMillis() - beginC.getTimeInMillis()) / 1000;
long a = span / (86400 * 7);
long b = span % (86400 * 7);
long c = b / 86400;
long d = b % 86400;
if (endC.get(Calendar.DAY_OF_WEEK) < beginC.get(Calendar.DAY_OF_WEEK)
...
Timestampcalendar2Timestamp(Calendar c)
calendar Timestamp 
return new Timestamp(c.getTimeInMillis());
java.sql.TimestampcalendarToTimestamp(java.util.Calendar inCal)
Returns Timestamp converted from Calendar. 
if (inCal == null) {
    return (null);
java.sql.Timestamp time = new java.sql.Timestamp(inCal.getTime().getTime());
return (time);
TimestampcalToTimeStamp(Calendar cal)
cal To Time Stamp 
Timestamp tm = null;
if (cal == null) {
    tm = null;
} else {
    tm = new Timestamp(cal.getTime().getTime());
return tm;
TimestampchangeDate(Timestamp date, Integer amount, Integer unit)
Increments/decrements the specified timestamp by the amount and unit. 
Calendar c;
if (date == null || amount == 0)
    return date;
c = Calendar.getInstance();
c.setTimeInMillis(date.getTime());
c.add(unit, amount);
return new Timestamp(c.getTimeInMillis());
TimestampcheckTimestamp(String sval)
Timestamp type validation and conversion. 
Calendar cal = Calendar.getInstance();
cal.set(2000, 0, 1);
Timestamp tval = new Timestamp(cal.getTime().getTime());
try {
    tval = new Timestamp(ALUDB_DF.parse(sval).getTime());
} catch (ParseException pe) {
    System.err.println("Timestamp parse exception, def to '2000-01-01' :: " + pe);
} catch (NumberFormatException nfe) {
...
Timestampclone(Timestamp original)
Clone a Timestamp because they are mutable 
return original == null ? null : (Timestamp) original.clone();
TimestampconcatDateAndTime(Timestamp date, Time time)
Concats date with time to call the overloaded changeDate method: 
Calendar c;
if (date == null || time == null)
    return date;
c = Calendar.getInstance();
c.setTimeInMillis(date.getTime());
c.set(Calendar.HOUR_OF_DAY, time.getHours());
c.set(Calendar.MINUTE, time.getMinutes());
c.set(Calendar.SECOND, time.getSeconds());
...
StringconvertTS2HHMM(Timestamp timeStamp)
RBC CMD 1.0 This method is used to Convert Timestamp to HHMM(HoursMinutes) 
return onlyHHMM.format(timeStamp);
TimestampcopyOrCreateTimestampNullsafe(Date date)
copy Or Create Timestamp Nullsafe 
return date == null ? new Timestamp(System.currentTimeMillis()) : new Timestamp(date.getTime());