/******************************************************************************* * 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.NumberFormat; public class DoubleStringBimapper implements Bimapper<Double, String> { private final NumberFormat format; public DoubleStringBimapper(NumberFormat format) { this.format = format; } @Override public String map(Double in) { return in == null ? null : format.format(in); } @Override public Double unmap(String out) { try { return out == null ? null : format.parse(out).doubleValue(); } catch (Exception ex) { throw new RuntimeException(ex); } } }