001/*
002 * Copyright (c) 2005 Einar Pehrson <einar@pehrson.nu>.
003 *
004 * This file is part of
005 * CleanSheets - a spreadsheet application for the Java platform.
006 *
007 * CleanSheets is free software; you can redistribute it and/or modify
008 * it under the terms of the GNU General Public License as published by
009 * the Free Software Foundation; either version 2 of the License, or
010 * (at your option) any later version.
011 *
012 * CleanSheets is distributed in the hope that it will be useful,
013 * but WITHOUT ANY WARRANTY; without even the implied warranty of
014 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
015 * GNU General Public License for more details.
016 *
017 * You should have received a copy of the GNU General Public License
018 * along with CleanSheets; if not, write to the Free Software
019 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
020 */
021package csheets.io;
022
023import java.io.IOException;
024import java.io.InputStream;
025import java.io.ObjectInputStream;
026import java.io.ObjectOutputStream;
027import java.io.OutputStream;
028
029import csheets.core.Workbook;
030import csheets.ext.ExtensionManager;
031
032/**
033 * A codec for the native CleanSheets format that uses Java Serialization.
034 * @author Einar Pehrson
035 */
036public class CLSCodec implements Codec {
037
038        /**
039         * Creates a new CleanSheets codec.
040         */
041        public CLSCodec() {}
042
043        public Workbook read(InputStream stream) throws IOException, ClassNotFoundException {
044                ObjectInputStream ois = new DynamicObjectInputStream(stream,
045                        ExtensionManager.getInstance().getLoader());
046                return (Workbook)ois.readObject();
047        }
048
049        public void write(Workbook workbook, OutputStream stream) throws IOException {
050                ObjectOutputStream oos = new ObjectOutputStream(stream);
051                oos.writeObject(workbook);
052                oos.flush();
053        }
054}