com.nedap.archie.datetime.DateTimeFormatters Maven / Gradle / Ivy

Go to download
package com.nedap.archie.datetime;

import java.time.format.DateTimeFormatter;
import java.time.format.DateTimeFormatterBuilder;
import java.time.temporal.ChronoField;

public class DateTimeFormatters {

    public static final DateTimeFormatter ISO8601_TIME_ZONE;
    static {
        ISO8601_TIME_ZONE = new DateTimeFormatterBuilder()
                .parseCaseInsensitive()
                //time zone stuff
                .optionalStart()
                .appendOffsetId()
                .optionalEnd()
                .optionalStart()
                .appendOffset("+HH:MM", "0000")
                .optionalEnd()
                .optionalStart()
                .appendOffset("+HHMM", "0000")
                .optionalEnd()
                .toFormatter();
        //--end of time zone stuff

    }

    public static final DateTimeFormatter ISO8601_OPTIONAL_MICROSECONDS;
    static {
        ISO8601_OPTIONAL_MICROSECONDS = new DateTimeFormatterBuilder()
                .parseCaseInsensitive()
                // microseconds, decimal fraction, ISO 31-0: comma [,] or full stop [.]
                .optionalStart() //micro seconds ,
                .appendLiteral(',')
                .appendFraction(ChronoField.MICRO_OF_SECOND, 0, 6, false)
                .optionalEnd() //micro seconds ,
                .optionalStart() //micro seconds .
                .appendFraction(ChronoField.MICRO_OF_SECOND, 1, 6, true)
                .optionalEnd() //micro seconds .
                .toFormatter();
        //--end of time zone stuff

    }

    public static final DateTimeFormatter ISO_8601_DATE_TIME = new DateTimeFormatterBuilder()
            .parseCaseInsensitive()
            .appendValue(ChronoField.YEAR)
            .appendLiteral('-')
            .appendValue(ChronoField.MONTH_OF_YEAR, 2)
            .appendLiteral('-')
            .appendValue(ChronoField.DAY_OF_MONTH, 2)
            .appendLiteral('T')
            .appendValue(ChronoField.HOUR_OF_DAY, 2)
            .optionalStart()
            .appendLiteral(':')
            .appendValue(ChronoField.MINUTE_OF_HOUR, 2)
            .optionalStart()
            .appendLiteral(':')
            .appendValue(ChronoField.SECOND_OF_MINUTE, 2)
            .optionalEnd()
            .optionalEnd()
            .append(ISO8601_TIME_ZONE)
            .toFormatter();

    public static final DateTimeFormatter ISO_8601_DATE_TIME_WITH_OPTIONAL_MICROS = new DateTimeFormatterBuilder()
            .parseCaseInsensitive()
            .appendValue(ChronoField.YEAR)
            .appendLiteral('-')
            .appendValue(ChronoField.MONTH_OF_YEAR)
            .appendLiteral('-')
            .appendValue(ChronoField.DAY_OF_MONTH)
            .appendLiteral('T')
            .appendValue(ChronoField.HOUR_OF_DAY, 2)
            .optionalStart() //minutes
            .appendLiteral(':')
            .appendValue(ChronoField.MINUTE_OF_HOUR, 2)
            .optionalStart() //seconds
            .appendLiteral(':')
            .appendValue(ChronoField.SECOND_OF_MINUTE, 2)
            .append(ISO8601_OPTIONAL_MICROSECONDS)
            .optionalEnd() //seconds
            .optionalEnd() //minutes
            .append(ISO8601_TIME_ZONE)
            .toFormatter();


    public static final DateTimeFormatter ISO_8601_DATE_TIME_COMPACT = new DateTimeFormatterBuilder()
            .parseCaseInsensitive()
            .appendValue(ChronoField.YEAR, 4).appendValue(ChronoField.MONTH_OF_YEAR, 2).appendValue(ChronoField.DAY_OF_MONTH, 2)
            .appendLiteral('T')
            .appendValue(ChronoField.HOUR_OF_DAY, 2).appendValue(ChronoField.MINUTE_OF_HOUR, 2).appendValue(ChronoField.SECOND_OF_MINUTE, 2)
            .append(ISO8601_OPTIONAL_MICROSECONDS)
            .append(ISO8601_TIME_ZONE)
            .toFormatter();

    public static final DateTimeFormatter ISO_8601_DATE_TIME_WITHOUT_MICROS = new DateTimeFormatterBuilder()
            .parseCaseInsensitive()
            .appendValue(ChronoField.YEAR)
            .appendLiteral('-')
            .appendValue(ChronoField.MONTH_OF_YEAR, 2)
            .appendLiteral('-')
            .appendValue(ChronoField.DAY_OF_MONTH, 2)
            .appendLiteral('T')
            .appendValue(ChronoField.HOUR_OF_DAY, 2)
            .optionalStart()
            .appendLiteral(':')
            .appendValue(ChronoField.MINUTE_OF_HOUR, 2)
            .optionalStart()
            .appendLiteral(':')
            .appendValue(ChronoField.SECOND_OF_MINUTE, 2)
            .optionalEnd()
            .optionalEnd()
            .append(ISO8601_TIME_ZONE)
            .toFormatter();


    public static final DateTimeFormatter ISO_8601_TIME;
    static {
        ISO_8601_TIME = new DateTimeFormatterBuilder()
                .parseCaseInsensitive()
                .appendValue(ChronoField.HOUR_OF_DAY)
                .optionalStart()
                .appendLiteral(':')
                .appendValue(ChronoField.MINUTE_OF_HOUR, 2)
                .optionalStart()
                .appendLiteral(':')
                .appendValue(ChronoField.SECOND_OF_MINUTE, 2)
                .append(ISO8601_OPTIONAL_MICROSECONDS)
                .optionalEnd()
                .optionalEnd()
                .append(ISO8601_TIME_ZONE)
                .toFormatter();
    }

    public static final DateTimeFormatter ISO_8601_DATE;
    static {
        ISO_8601_DATE = new DateTimeFormatterBuilder()
                .parseCaseInsensitive()
                .appendValue(ChronoField.YEAR)
                .optionalStart()
                .appendLiteral('-')
                .appendValue(ChronoField.MONTH_OF_YEAR)
                .optionalStart()
                .appendLiteral('-')
                .appendValue(ChronoField.DAY_OF_MONTH)
                .optionalEnd()
                .optionalEnd()
                .toFormatter();
    }

    public static final DateTimeFormatter ISO_8601_DATE_COMPACT;
    static {
        ISO_8601_DATE_COMPACT = new DateTimeFormatterBuilder()
                .parseCaseInsensitive()
                .appendValue(ChronoField.YEAR, 4).appendValue(ChronoField.MONTH_OF_YEAR, 2).appendValue(ChronoField.DAY_OF_MONTH, 2)
                .toFormatter();
    }

    public static final DateTimeFormatter ISO_8601_TIME_COMPACT;
    static {
        ISO_8601_TIME_COMPACT = new DateTimeFormatterBuilder()
                .parseCaseInsensitive()
                .appendValue(ChronoField.HOUR_OF_DAY, 2).appendValue(ChronoField.MINUTE_OF_HOUR, 2).appendValue(ChronoField.SECOND_OF_MINUTE, 2)
                .toFormatter();
    }
}