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

StringdateToOracleStr(java.sql.Timestamp ts)
Contains some Oracle specific fixes to the timestamp. 
StringBuffer tsString = new StringBuffer("null");
if (ts != null) {
    tsString.append("to_date('").append(ts.toString().substring(0, 19))
            .append("','YYYY-MM-DD HH24:MI:SS')");
return tsString.toString();
intdayNumber(Timestamp stamp)
returns a day number in a week for a Timestamp input 
Calendar tempCal = toCalendar(stamp, TimeZone.getDefault(), Locale.getDefault());
return tempCal.get(Calendar.DAY_OF_WEEK);
longdaysBetween(Timestamp t1, Timestamp t2)
days Between 
return (t2.getTime() - t1.getTime()) / DAY_MILLI;
Integerdelta_hours(Timestamp startdate, Timestamp enddate)
Returns the difference between two dates in hours 
Long span;
if (startdate == null || enddate == null)
    return null;
span = (enddate.getTime() - startdate.getTime()) / 1000 / 60 / 60;
return span.intValue();
intdifferDayByNow(Timestamp timestamp)
differ Day By Now 
return (int) (differMsByNow(timestamp) / 1000 / 60 / 60 / 24);
TimestampdoubleToTimestamp(double f)
double To Timestamp 
try {
    long seconds = (long) f;
    BigDecimal bd = new BigDecimal(String.valueOf(f));
    bd = bd.subtract(new BigDecimal(seconds)).multiply(new BigDecimal(1000000000));
    int nanos = bd.intValue();
    long millis = seconds * 1000;
    if (nanos < 0) {
        millis -= 1000;
...
BigDecimaldurationBetween(Timestamp startedAt, Timestamp completedAt)
duration Between 
if (completedAt == null) {
    return null;
long millis = completedAt.getTime() - startedAt.getTime();
return new BigDecimal(millis).divide(new BigDecimal(1000)).setScale(3, RoundingMode.HALF_EVEN);
ByteBufferencodeTimestamp(Timestamp timestamp)
Encodes a TIMESTAMP value. 
if (timestamp == null)
    throw new NullPointerException("timestamp cannot be null.");
ByteBuffer buffer = ByteBuffer.allocate(8 + 4);
buffer.putLong(timestamp.getTime() / 1000);
buffer.putInt(timestamp.getNanos());
buffer.rewind();
return buffer;
java.sql.TimestampendOfMonth(java.sql.Timestamp dd)
covert Timestamp to end of day in month, 23:59:59 leaving date part untouched 
Calendar cal = GregorianCalendar.getInstance(utcTZ);
cal.setTime(dd);
cal = endOfMonth(cal);
java.sql.Timestamp rval = new java.sql.Timestamp(cal.getTime().getTime());
return rval;
TimestampextractDateSystemTimeStamp()
Extract date form system and converts into TimeStamp SQL type 
Calendar calendario = Calendar.getInstance();
Timestamp timestamp = new Timestamp(calendario.getTimeInMillis());
return timestamp;