Java TimeZone String Parse parseCal(long time, TimeZone to)

Description

parse Cal

License

Open Source License

Declaration

private final static Calendar parseCal(long time, TimeZone to) 

Method Source Code

//package com.java2s;
/*/*from   w w w.  ja  v  a 2  s .co  m*/
 * Copyright ? 2012-2013 Visual Illusions Entertainment.
 *  
 * This file is part of VIUtils.
 *
 * VIUtils is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 * 
 * VIUtils is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; 
 * without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
 * See the GNU Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License along with VIUtils.
 * If not, see http://www.gnu.org/licenses/lgpl.html
 */

import java.util.Calendar;

import java.util.TimeZone;

public class Main {
    private final static Calendar parseCal(long time, TimeZone to) {
        Calendar calendar = Calendar.getInstance();
        TimeZone fromTimeZone = calendar.getTimeZone();
        TimeZone toTimeZone = to != null ? to : TimeZone.getTimeZone("GMT");

        calendar.setTimeZone(fromTimeZone);
        calendar.add(Calendar.MILLISECOND, fromTimeZone.getRawOffset() * -1);
        if (fromTimeZone.inDaylightTime(calendar.getTime())) {
            calendar.add(Calendar.MILLISECOND, calendar.getTimeZone().getDSTSavings() * -1);
        }

        calendar.add(Calendar.MILLISECOND, toTimeZone.getRawOffset());
        if (toTimeZone.inDaylightTime(calendar.getTime())) {
            calendar.add(Calendar.MILLISECOND, toTimeZone.getDSTSavings());
        }
        calendar.setTimeInMillis(time);
        return calendar;
    }
}

Related

1. guessTimeZone(String timezoneOffset)
2. parseDA(TimeZone tz, String s)
3. parseTimeZoneId(String timeZoneId)
4. parseTimeZoneString(String timeZoneString)
5. parseTimeZoneString(String timeZoneString)