Java Utililty Methods DateTimeFormatter

List of utility methods to do DateTimeFormatter

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Description

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

Method

InstantfromInfluxDBTimeFormat(final String timestamp)
from Influx DB Time Format 
return Instant.from(DateTimeFormatter.ISO_INSTANT.parse(timestamp));
OptionalfromString(String dateString, DateTimeFormatter formatter)
from String 
if (dateString == null || formatter == null)
    return Optional.empty();
try {
    return Optional.of(ZonedDateTime.parse(dateString, formatter));
} catch (DateTimeParseException e) {
    return Optional.empty();
DateTimeFormattergetDateFormat()
get Date Format 
return DateTimeFormatter.ofPattern("dd-MM-yyyy HH:mm:ss");
DateTimeFormattergetDateFormat(final Locale LOCALE)
get Date Format 
if (Locale.US == LOCALE) {
    return DateTimeFormatter.ofPattern("MM/dd/YYYY");
} else if (Locale.CHINA == LOCALE) {
    return DateTimeFormatter.ofPattern("YYYY.MM.dd");
} else {
    return DateTimeFormatter.ofPattern("dd.MM.YYYY");
DategetDateFromFormat(String dtStr)
Expects date string as MM-dd-yyyy 
LocalDate ld = LocalDate.parse(dtStr, df2);
return localDateToSystemAdjustedStartOfDayDate(ld);
DateTimeFormattergetDateTimeAttributeTimeFormat()
Get a DateTimeFormatter to use for rendering time information within a time tag's datetime attribute 
return DateTimeFormatter.ofPattern("hh:mm a");
DateTimeFormattergetDateTimeFormatter()
Returns the date time formatter used to parse date strings. 
if (dateTimeTZFormat == null) {
    DateTimeFormatter dateFormatter = DateTimeFormatter.ofPattern("yyyy-MM-dd");
    DateTimeFormatter optionalTime = DateTimeFormatter.ofPattern(" HH:mm:ss");
    DateTimeFormatter optionalSec = DateTimeFormatter.ofPattern(".SSS");
    DateTimeFormatter optionalZone = DateTimeFormatter.ofPattern(" ZZZ");
    dateTimeTZFormat = new DateTimeFormatterBuilder().append(dateFormatter).appendOptional(optionalTime)
            .appendOptional(optionalSec).appendOptional(optionalZone).toFormatter();
return dateTimeTZFormat;
StringgetFormatDate(String format)
get Format Date 
return getFormatDate(format, new Date());
StringgetFormattedDate()
get Formatted Date 
return formatDate(getCurrentDate(), PATTERN_DEFAULT);
StringgetFormattedDateString()
get Formatted Date String 
LocalDateTime currentTime = LocalDateTime.now();
return currentTime.format(DateTimeFormatter.ISO_LOCAL_DATE);