Android Timezone Date Format getDateTimeForTimeZone(String str)

Description

get Date Time For Time Zone

License

Apache License

Declaration

public static final Date getDateTimeForTimeZone(String str)
            throws ParseException 

Method Source Code

//package com.java2s;
/*//from  www . j  ava 2 s . c  om
 * Copyright 2014 http://Bither.net
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *    http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

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

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

public class Main {
    public static final String DATE_TIME_FORMAT = "yyyy-MM-dd HH:mm:ss";
    private static final String DEFAULT_TIMEZONE = "GMT+0";

    public static final Date getDateTimeForTimeZone(String str)
            throws ParseException {
        SimpleDateFormat df = new SimpleDateFormat(DATE_TIME_FORMAT);
        Long time = new Date(df.parse(str).getTime()).getTime();
        return getDateTimeForTimeZone(time);
    }

    public static final Date getDateTimeForTimeZone(Long time) {
        Long sourceRelativelyGMT = time
                - TimeZone.getTimeZone(DEFAULT_TIMEZONE).getRawOffset();
        Long targetTime = sourceRelativelyGMT
                + TimeZone.getDefault().getRawOffset();

        Date date = new Date(targetTime);
        return date;

    }
}

Related

1. formatTime(Context context, Date date, TimeZone timeZone)
2. getCurrentTimeForTimezone(Context context, String timezone)