Java Date ISO Parse parseISO8601Date(String s)

Description

parse ISO Date

License

Apache License

Declaration

public static Date parseISO8601Date(String s) 

Method Source Code

//package com.java2s;
//License from project: Apache License 

import java.text.DateFormat;
import java.text.ParseException;
import java.text.SimpleDateFormat;

import java.util.Date;
import java.util.TimeZone;

public class Main {
    public static final TimeZone GMT_TIMEZONE = TimeZone.getTimeZone("GMT");
    public static final String ISO8601DATE_FORMAT = "yyyy-MM-dd'T'HH:mm:ss'Z'";
    public static final String ISO8601DATE_WITH_MILLS_FORMAT = "yyyy-MM-dd'T'HH:mm:ss.SSS'Z'";
    public static final String ISO8601DATE_WITH_ZONE_FORMAT = "yyyy-MM-dd'T'HH:mm:ssX";
    public static final String ISO8601DATE_WITH_ZONE_MILLS_FORMAT = "yyyy-MM-dd'T'HH:mm:ss.SSSX";
    public static final String DATE_FORMAT = "yyyy-MM-dd";
    public static final int ISO8601DATE_FORMAT_VALUE_LENGTH = ISO8601DATE_FORMAT.length() - 4;

    public static Date parseISO8601Date(String s) {
        if (s == null || s.isEmpty()) {
            return null;
        }//from   w w w . ja v  a 2  s .  c  om
        try {
            Date date = null;
            if (s.charAt(s.length() - 1) == 'Z') {
                String format = (s.length() == ISO8601DATE_FORMAT_VALUE_LENGTH) ? ISO8601DATE_FORMAT
                        : ISO8601DATE_WITH_MILLS_FORMAT;
                DateFormat dateFormat = new SimpleDateFormat(format);
                dateFormat.setTimeZone(GMT_TIMEZONE);
                date = dateFormat.parse(s);
            } else if (s.length() == DATE_FORMAT.length()) {
                DateFormat dateFormat = new SimpleDateFormat(DATE_FORMAT);
                // TODO use system TimeZone instead
                dateFormat.setTimeZone(GMT_TIMEZONE);
                date = dateFormat.parse(s);
            } else if (s.indexOf('.') > 0) {
                date = new SimpleDateFormat(ISO8601DATE_WITH_ZONE_MILLS_FORMAT).parse(s);
            } else {
                date = new SimpleDateFormat(ISO8601DATE_WITH_ZONE_FORMAT).parse(s);
            }
            return date;
        } catch (ParseException e) {
            throw new RuntimeException("Failed to parseISO8601Date", e);
        }
    }
}

Related

1. parseISO8601Date(String dateString)
2. parseISO8601Date(String dateString)
3. parseISO8601Date(String dateString)
4. parseIso8601Date(String dateString)
5. parseISO8601Date(String encoded, Date fallback)
6. parseIso8601Date(String strDate)
7. parseISO8601DateString(String dateString)
8. parseIso8601DateTimeOrDate(String datestr)
9. parseISO8601String(String dateString)