/*
* Copyright 2005-2015 by BerryWorks Software, LLC. All rights reserved.
*
* This file is part of EDIReader. You may obtain a license for its use directly from
* BerryWorks Software, and you may also choose to use this software under the terms of the
* GPL version 3. Other products in the EDIReader software suite are available only by licensing
* with BerryWorks. Only those files bearing the GPL statement below are available under the GPL.
*
* EDIReader 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 3 of
* the License, or (at your option) any later version.
*
* EDIReader 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 EDIReader. If not,
* see <http://www.gnu.org/licenses/>.
*/
package com.berryworks.edireader.util;
import java.text.DateFormat;
import java.text.SimpleDateFormat;
import java.util.Date;
/**
* Represent the current date and time in the format used by
* ANSI X12 and EDIFACT EDI standards.
*/
public class DateTimeGenerator {
private static final ThreadLocal<DateFormat> yymmdd = new ThreadLocal<DateFormat>() {
@Override
protected DateFormat initialValue() {
return new SimpleDateFormat("yyMMdd");
}
};
private static final ThreadLocal<DateFormat> hhmm = new ThreadLocal<DateFormat>() {
@Override
protected DateFormat initialValue() {
return new SimpleDateFormat("HHmm");
}
};
private static String dateTestValue = null;
private static String timeTestValue = null;
/**
* Generate the date and time in an yyMMdd delimiter HHmm format.
*
* @param delimiter char placed between day and time of day
* @return String representation of date and time
*/
public static String generate(char delimiter) {
if (dateTestValue == null || timeTestValue == null) {
Date now = new Date();
return yymmdd.get().format(now) + delimiter + hhmm.get().format(now);
} else {
return dateTestValue + delimiter + timeTestValue;
}
}
/**
* Inject particular date and time values to use instead of
* the current date and time.
* <p>
* This can be very useful in testing as a mean of allowing expected
* results that are full repeatable.
*
* @param date specific value to use
* @param time specific value to use
*/
public static void setTestValues(String date, String time) {
dateTestValue = date;
timeTestValue = time;
}
}