001    /*
002     * Copyright (C) 2008-2010 by Holger Arndt
003     *
004     * This file is part of the Universal Java Matrix Package (UJMP).
005     * See the NOTICE file distributed with this work for additional
006     * information regarding copyright ownership and licensing.
007     *
008     * UJMP is free software; you can redistribute it and/or modify
009     * it under the terms of the GNU Lesser General Public License as
010     * published by the Free Software Foundation; either version 2
011     * of the License, or (at your option) any later version.
012     *
013     * UJMP is distributed in the hope that it will be useful,
014     * but WITHOUT ANY WARRANTY; without even the implied warranty of
015     * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
016     * GNU Lesser General Public License for more details.
017     *
018     * You should have received a copy of the GNU Lesser General Public
019     * License along with UJMP; if not, write to the
020     * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
021     * Boston, MA  02110-1301  USA
022     */
023    
024    package org.ujmp.core.util;
025    
026    import java.io.BufferedInputStream;
027    import java.io.BufferedOutputStream;
028    import java.io.File;
029    import java.io.FileOutputStream;
030    import java.io.InputStream;
031    
032    public abstract class ResourceUtil {
033    
034            public static void copyToFile(String resource, File file) throws Exception {
035                    InputStream is = ClassLoader.getSystemClassLoader().getResourceAsStream(resource);
036                    FileOutputStream os = new FileOutputStream(file);
037    
038                    BufferedInputStream bis = new BufferedInputStream(is);
039                    BufferedOutputStream bos = new BufferedOutputStream(os);
040    
041                    byte buf[] = new byte[8192];
042                    int len;
043                    while ((len = bis.read(buf)) > 0) {
044                            bos.write(buf, 0, len);
045                    }
046    
047                    bis.close();
048                    bos.close();
049    
050                    is.close();
051                    os.close();
052            }
053    
054    }