SafeCopy.java

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/*
 * Gridarta MMORPG map editor for Crossfire, Daimonin and similar games.
 * Copyright (C) 2000-2023 The Gridarta Developers.
 *
 * 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.
 */
 
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
 
public class SafeCopy {
 
    public static void main(final String... args) throws IOException {
        final InputStream in = new FileInputStream(args[0]);
        try {
            final OutputStream out = new FileOutputStream(args[1]);
            try {
                final byte[] buf = new byte[4096];
                while (true) {
                    final int bytesRead = in.read(buf);
                    if (bytesRead == -1) {
                        break;
                    }
                    out.write(buf, 0, bytesRead);
                }
            } finally {
                out.close();
            }
        } finally {
            in.close();
        }
    }
 
}