/*******************************************************************************
 * Breakout Cave Survey Visualizer
 *
 * Copyright (C) 2014 James Edwards
 *
 * jedwards8 at fastmail dot fm
 *
 * 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.
 *******************************************************************************/
package org.andork.func;

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

public class DateBimapper implements Bimapper<Date, Object> {
	DateFormat dateFormat;

	public DateBimapper(DateFormat dateFormat) {
		this.dateFormat = dateFormat;
	}

	@Override
	public Object map(Date in) {
		return dateFormat.format(in);
	}

	@Override
	public Date unmap(Object out) {
		if (out instanceof Date) {
			return (Date) out;
		}
		try {
			return out == null ? null : dateFormat.parse(out.toString());
		} catch (ParseException e) {
			throw new RuntimeException(e);
		}
	}
}