com.yandex.disk.rest.util.ISO8601 Maven / Gradle / Ivy
/*
* (C) 2015 Yandex LLC (https://yandex.com/)
*
* The source code of Java SDK for Yandex.Disk REST API
* is available to use under terms of Apache License,
* Version 2.0. See the file LICENSE for the details.
*/
package com.yandex.disk.rest.util;
import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.Calendar;
import java.util.Date;
import java.util.GregorianCalendar;
public class ISO8601 {
private static final String FORMAT = "yyyy-MM-dd'T'HH:mm:ssZ";
public static String fromCalendar(final Calendar calendar) {
Date date = calendar.getTime();
String formatted = new SimpleDateFormat(FORMAT).format(date);
return formatted.substring(0, 22) + ":" + formatted.substring(22);
}
public static Calendar toCalendar(final String iso8601string)
throws ParseException {
Calendar calendar = GregorianCalendar.getInstance();
String s = iso8601string.replace("Z", "+00:00");
try {
s = s.substring(0, 22) + s.substring(23);
} catch (IndexOutOfBoundsException e) {
throw new ParseException("Invalid length", 0);
}
Date date = new SimpleDateFormat(FORMAT).parse(s);
calendar.setTime(date);
return calendar;
}
public static Date parse(final String iso8601string) {
try {
return toCalendar(iso8601string).getTime();
} catch (ParseException e) {
return null;
}
}
}