/*******************************************************************************
 * 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.breakout.model;

import java.util.HashMap;
import java.util.Map;

import org.andork.func.Bimapper;

import com.andork.plot.LinearAxisConversion;

public class LinearAxisConversionMapBimapper implements Bimapper<LinearAxisConversion, Object> {
	public static final LinearAxisConversionMapBimapper instance = new LinearAxisConversionMapBimapper();

	private LinearAxisConversionMapBimapper() {

	}

	@Override
	public Map<String, Double> map(LinearAxisConversion in) {
		if (in == null) {
			return null;
		}
		Map<String, Double> result = new HashMap<String, Double>();
		result.put("offset", in.getOffset());
		result.put("scale", in.getScale());
		return result;
	}

	@Override
	public LinearAxisConversion unmap(Object out) {
		if (out == null || !(out instanceof Map)) {
			return null;
		}
		Map<?, ?> m = (Map<?, ?>) out;
		LinearAxisConversion result = new LinearAxisConversion();
		try {
			result.setOffset(Double.parseDouble(String.valueOf(m.get("offset"))));
			result.setScale(Double.parseDouble(String.valueOf(m.get("scale"))));
		} catch (Exception ex) {
			return null;
		}
		return result;
	}
}