Java Date Convert convertIntToDate(final int iDate, final StringBuilder verbatimDate)

Description

Converts an integer time in the form of YYYYMMDD to the proper Date

License

Open Source License

Parameter

Parameter	Description
iDate	the int to be converted

Return

the verbatimDate strin that holds old invalid verbatim dates

Declaration

public static Date convertIntToDate(final int iDate, final StringBuilder verbatimDate) 

Method Source Code

//package com.java2s;
/* Copyright (C) 2015, University of Kansas Center for Research
 * /*from   w  w w .  j a  v  a  2 s.  c  o m*/
 * Specify Software Project, specify@ku.edu, Biodiversity Institute,
 * 1345 Jayhawk Boulevard, Lawrence, Kansas, 66045, USA
 * 
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 2
 * of the License, or (at your option) any later version.
 * 
 * This program 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 General Public License for more details.
 * 
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
*/

import java.util.Calendar;
import java.util.Date;
import java.util.GregorianCalendar;

public class Main {
    protected static Calendar calendar = new GregorianCalendar();

    /**
     * Converts an integer time in the form of YYYYMMDD to the proper Date
     * @param iDate the int to be converted
     * @return the date object
     * @return the verbatimDate strin that holds old invalid verbatim dates
     */
    public static Date convertIntToDate(final int iDate, final StringBuilder verbatimDate) {
        calendar.clear();

        int year = iDate / 20000;
        if (year > 1600) {
            int tmp = (iDate - (year * 20000));
            int month = tmp / 100;
            int day = (tmp - (month * 100));

            if (month == 0 || day == 0) {
                verbatimDate.setLength(0);
                verbatimDate.append(Integer.toString(iDate));
                if (month == 0) {
                    month = 7;
                }
                if (day == 0) {
                    day = 1;
                }
            }

            calendar.set(year, month - 1, day);
        } else {
            calendar.setTimeInMillis(0);
        }

        return calendar.getTime();
    }
}

Related

1. convertDoubleTimeToDate(Number d)
2. convertFromFileman(String date)
3. convertInputDateToString(Date inputDate)
4. convertInt2Date(int date)
5. convertIntToDate(final int iDate)
6. convertLocalDateToUTCDate(Date localDate)
7. convertLocalToGMT(int[] dateTime)
8. convertLocalToTimezone(Date original, String targetTimezoneId)
9. convertsDateToGMTTimezone(Date date)