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/*
* Copyright (c) 2014-2016, Isode Limited, London, England.
* All rights reserved.
*/
package com.isode.stroke.base;
import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.Locale;
import java.util.TimeZone;
public class DateTime {
// Cannot use Java 7 'X' format specifier for timezone
// (not supported on Android)
public static Date stringToDate(String date) {
if (date == null || date.length() < 1) return null;
SimpleDateFormat parser;
if (date.charAt(date.length()-1) == 'Z') {
parser = new SimpleDateFormat(parseFormatZ, Locale.US);
} else {
parser = new SimpleDateFormat(parseFormatTz, Locale.US);
}
parser.setTimeZone(TimeZone.getTimeZone("UTC"));
try {
return parser.parse(date);
} catch (ParseException e) {
if (date.matches(".*[+-]\\d\\d:\\d\\d")) { // strip ':' from timezone
date = date.substring(0, date.length()-3) + date.substring(date.length()-2);
} else if (date.matches(".*[+-]\\d\\d")) { // make timezone 4 digits (append minutes)
date += "00";
} else {
parser = new SimpleDateFormat(parseFormatNoTz, Locale.US);
parser.setTimeZone(TimeZone.getTimeZone("UTC"));
}
try {
return parser.parse(date);
} catch (ParseException e1) {
return null;
}
}
}
public static String dateToString(Date date) {
SimpleDateFormat parser = new SimpleDateFormat(format, Locale.US);
parser.setTimeZone(TimeZone.getTimeZone("UTC"));
return parser.format(date);
}
static private String format = "yyyy-MM-dd'T'HH:mm:ss'Z'";
static private String parseFormatTz = "yyyy-MM-dd'T'HH:mm:ssZ";
static private String parseFormatZ = "yyyy-MM-dd'T'HH:mm:ss'Z'";
static private String parseFormatNoTz = "yyyy-MM-dd'T'HH:mm:ss";
}
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Swift