TimeUtils

object TimeUtils {

    fun millisToShortDHMS(duration: Long): String {
        var res = ""    // java.util.concurrent.TimeUnit;
        val days = TimeUnit.MILLISECONDS.toDays(duration)
        val hours = TimeUnit.MILLISECONDS.toHours(duration) - TimeUnit.DAYS.toHours(TimeUnit.MILLISECONDS.toDays(duration))
        val minutes = TimeUnit.MILLISECONDS.toMinutes(duration) - TimeUnit.HOURS.toMinutes(TimeUnit.MILLISECONDS.toHours(duration))
        val seconds = TimeUnit.MILLISECONDS.toSeconds(duration) - TimeUnit.MINUTES.toSeconds(TimeUnit.MILLISECONDS.toMinutes(duration))
        val millis = TimeUnit.MILLISECONDS.toMillis(duration) - TimeUnit.SECONDS.toMillis(TimeUnit.MILLISECONDS.toSeconds(duration))

        if (days == 0L)
            res = String.format("%02d:%02d:%02d.%04d", hours, minutes, seconds, millis)
        else
            res = String.format("%dd %02d:%02d:%02d.%04d", days, hours, minutes, seconds, millis)
        return res
    }
}