Java Date UTC Parse getUTCDate()

Description

get UTC Date

License

Apache License

Declaration

public static Date getUTCDate() 

Method Source Code

//package com.java2s;
/*/*from w w  w.java  2  s. co  m*/
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you 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.util.Calendar;
import java.util.Date;
import java.util.GregorianCalendar;
import java.util.TimeZone;

public class Main {
    private static final TimeZone gmtTimeZone = TimeZone.getTimeZone("GMT+0");

    public static Date getUTCDate() {
        try {
            Calendar local = Calendar.getInstance();
            int offset = local.getTimeZone().getOffset(local.getTimeInMillis());
            GregorianCalendar utc = new GregorianCalendar(gmtTimeZone);
            utc.setTimeInMillis(local.getTimeInMillis());
            utc.add(Calendar.MILLISECOND, -offset);
            return utc.getTime();
        } catch (Exception ex) {
            return null;
        }
    }

    public static Date getUTCDate(long epoh) {
        if (epoh == 0) {
            return null;
        }
        try {
            Calendar local = Calendar.getInstance();
            int offset = local.getTimeZone().getOffset(epoh);
            GregorianCalendar utc = new GregorianCalendar(gmtTimeZone);
            utc.setTimeInMillis(epoh);
            utc.add(Calendar.MILLISECOND, -offset);
            return utc.getTime();
        } catch (Exception ex) {
            return null;
        }
    }
}

Related

1. getDateTimeUTC(int year, int month, int day, int hour, int minute, int second)
2. getLocalTimeFromUTC( String localTimeZoneId, java.util.Date utcTimestamp)
3. getUTC(java.util.Date siteTimestamp)
4. getUTCDate()
5. getUTCDate()
6. getUTCDate(Date date)
7. getUtcDate(Date date)