/*
* Copyright (C) 2005 Joe Walnes.
* Copyright (C) 2006, 2007, 2011 XStream Committers.
* All rights reserved.
*
* The software in this package is published under the terms of the BSD
* style license a copy of which has been included with this distribution in
* the LICENSE.txt file.
*
* Created on 03. October 2005 by Joerg Schaible
*/
package com.thoughtworks.xstream.converters.extended;
import com.thoughtworks.xstream.converters.ConversionException;
import com.thoughtworks.xstream.converters.basic.AbstractSingleValueConverter;
import org.joda.time.DateTime;
import org.joda.time.DateTimeZone;
import org.joda.time.format.DateTimeFormatter;
import org.joda.time.format.ISODateTimeFormat;
import java.util.Calendar;
import java.util.GregorianCalendar;
import java.util.Locale;
import java.util.TimeZone;
/**
* A GregorianCalendarConverter conforming to the ISO8601 standard. The converter will always
* serialize the calendar value in UTC and deserialize it to a value in the current default time
* zone.
*
* @author Mauro Talevi
* @author Jörg Schaible
* @see "http://www.iso.org/iso/catalogue_detail?csnumber=40874"
* @since 1.1.3
*/
public class ISO8601GregorianCalendarConverter extends AbstractSingleValueConverter {
private static final DateTimeFormatter[] formattersUTC = new DateTimeFormatter[]{
ISODateTimeFormat.dateTime(),
ISODateTimeFormat.dateTimeNoMillis(),
ISODateTimeFormat.basicDateTime(),
ISODateTimeFormat.basicOrdinalDateTime(),
ISODateTimeFormat.basicOrdinalDateTimeNoMillis(),
ISODateTimeFormat.basicTime(),
ISODateTimeFormat.basicTimeNoMillis(),
ISODateTimeFormat.basicTTime(),
ISODateTimeFormat.basicTTimeNoMillis(),
ISODateTimeFormat.basicWeekDateTime(),
ISODateTimeFormat.basicWeekDateTimeNoMillis(),
ISODateTimeFormat.ordinalDateTime(),
ISODateTimeFormat.ordinalDateTimeNoMillis(),
ISODateTimeFormat.time(),
ISODateTimeFormat.timeNoMillis(),
ISODateTimeFormat.tTime(),
ISODateTimeFormat.tTimeNoMillis(),
ISODateTimeFormat.weekDateTime(),
ISODateTimeFormat.weekDateTimeNoMillis()
};
private static final DateTimeFormatter[] formattersNoUTC = new DateTimeFormatter[]{
ISODateTimeFormat.basicDate(),
ISODateTimeFormat.basicOrdinalDate(),
ISODateTimeFormat.basicWeekDate(),
ISODateTimeFormat.date(),
ISODateTimeFormat.dateHour(),
ISODateTimeFormat.dateHourMinute(),
ISODateTimeFormat.dateHourMinuteSecond(),
ISODateTimeFormat.dateHourMinuteSecondFraction(),
ISODateTimeFormat.dateHourMinuteSecondMillis(),
ISODateTimeFormat.hour(),
ISODateTimeFormat.hourMinute(),
ISODateTimeFormat.hourMinuteSecond(),
ISODateTimeFormat.hourMinuteSecondFraction(),
ISODateTimeFormat.hourMinuteSecondMillis(),
ISODateTimeFormat.ordinalDate(),
ISODateTimeFormat.weekDate(),
ISODateTimeFormat.year(),
ISODateTimeFormat.yearMonth(),
ISODateTimeFormat.yearMonthDay(),
ISODateTimeFormat.weekyear(),
ISODateTimeFormat.weekyearWeek(),
ISODateTimeFormat.weekyearWeekDay()
};
public boolean canConvert(Class type) {
return type.equals(GregorianCalendar.class);
}
public Object fromString(String str) {
for (int i = 0; i < formattersUTC.length; i++ ) {
DateTimeFormatter formatter = formattersUTC[i];
try {
DateTime dt = formatter.parseDateTime(str);
Calendar calendar = dt.toCalendar(Locale.getDefault());
calendar.setTimeZone(TimeZone.getDefault());
return calendar;
} catch (IllegalArgumentException e) {
// try with next formatter
}
}
String timeZoneID = TimeZone.getDefault().getID();
for (int i = 0; i < formattersNoUTC.length; i++ ) {
try {
DateTimeFormatter formatter = formattersNoUTC[i].withZone(DateTimeZone.forID(timeZoneID));
DateTime dt = formatter.parseDateTime(str);
Calendar calendar = dt.toCalendar(Locale.getDefault());
calendar.setTimeZone(TimeZone.getDefault());
return calendar;
} catch (IllegalArgumentException e) {
// try with next formatter
}
}
throw new ConversionException("Cannot parse date " + str);
}
public String toString(Object obj) {
DateTime dt = new DateTime(obj);
return dt.toString(formattersUTC[0]);
}
}