Java Utililty Methods LocalDateTime Calculate

List of utility methods to do LocalDateTime Calculate

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Description

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

Method

booleanshouldSend(Optional emailSentOpt, int timeToWait)
should Send 
if (emailSentOpt.isPresent()) {
    long lastEmailSent = emailSentOpt.get().atZone(ZoneId.systemDefault()).toInstant().getEpochSecond();
    long now = LocalDateTime.now().atZone(ZoneId.systemDefault()).toInstant().getEpochSecond();
    return timeToWait < Math.abs(lastEmailSent - now);
return true;
voidsleepUntil(LocalDateTime next)
sleep Until 
while (true) {
    try {
        LocalDateTime now = LocalDateTime.now();
        long intervalInMillis = now.until(next, ChronoUnit.MILLIS);
        if (intervalInMillis > 0) {
            Thread.sleep(intervalInMillis);
        return;
...
CalendartoCalendar(final LocalDateTime localDateTime)
Converts local date time to Calendar. 
return GregorianCalendar.from(ZonedDateTime.of(localDateTime, ZoneId.systemDefault()));
OffsetDateTimetoOffsetDateTime(Date localDateTime, TimeZone clientTimeZone)
Converts the given local server time to the given TimeZone . 
Objects.requireNonNull(localDateTime, "Local time is required");
Objects.requireNonNull(clientTimeZone, "Time zone is required");
return ZonedDateTime.ofInstant(Instant.ofEpochMilli(localDateTime.getTime()), ZoneId.systemDefault())
        .withZoneSameInstant(clientTimeZone.toZoneId()).toOffsetDateTime();
LocalDateTimeWizzAirDatetimeCorrection(LocalDateTime aLocalDateTime)
Wizz Air Datetime Correction 
ZonedDateTime lZDT = aLocalDateTime.atZone(ZoneId.of("Europe/Budapest"));
ZoneOffset lZO = lZDT.getOffset();
String lZId = lZO.getId();
Pattern reg = Pattern.compile("(\\+|-)(\\d{2})\\:(\\d{2})");
Matcher m = reg.matcher(lZId);
if (m.find()) {
    String lPrefix = m.group(1).toString().trim();
    String lHours = m.group(2).toString().trim();
...