Java UTC Date utcTimeToString(String dateStr)

Description

utc Time To String

License

Open Source License

Declaration

public static String utcTimeToString(String dateStr) 

Method Source Code

//package com.java2s;
/**//from  w ww  .jav  a 2 s.  c  om
 * JWatch - Quartz Monitor: http://code.google.com/p/jwatch/
 * Copyright (C) 2011 Roy Russo and the original author or authors.
 *
 * This library 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.
 *
 * This library 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 this library; if not, write to the
 * Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
 * Boston, MA 02110-1301 USA
 **/

import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.Date;

import com.google.common.base.Strings;

public class Main {
    public static final String DATE_FORMAT_DEFAULT = "yyyy-MM-dd HH:mm:ss";

    public static String utcTimeToString(String dateStr) {
        SimpleDateFormat format = new SimpleDateFormat(DATE_FORMAT_DEFAULT);
        String time = "";
        try {
            Date date = format.parse(dateStr);
            time = toStringFromDate(date, null);
        } catch (ParseException e) {
            e.printStackTrace();
        }
        return time;
    }

    public static String toStringFromDate(Date date, String format) {
        try {
            if (Strings.isNullOrEmpty(format)) {
                format = DATE_FORMAT_DEFAULT;
            }
            SimpleDateFormat simpleDateFormat = new SimpleDateFormat(format);
            return simpleDateFormat.format(date);
        } catch (Exception e) {
            e.printStackTrace();
        }
        return null;
    }
}

Related

1. toUTCDate(String dateStr)
2. toUTCString(Date date)
3. toUTCString(long t)
4. utcTime(Locale locale)
5. utcTimestamp(Date date)
6. utcToDate(String utcTimestamp)
7. utcToLocal(Date date)
8. utcTolocal(String utc)