writermultiplier.java

一个很好的LIBSVM的JAVA源码。对于要研究和改进SVM算法的学者。可以参考。来自数据挖掘工具YALE工具包。

/*
 *  YALE - Yet Another Learning Environment
 *  Copyright (C) 2001-2004
 *      Simon Fischer, Ralf Klinkenberg, Ingo Mierswa, 
 *          Katharina Morik, Oliver Ritthoff
 *      Artificial Intelligence Unit
 *      Computer Science Department
 *      University of Dortmund
 *      44221 Dortmund,  Germany
 *  email: [e-mail]
 *  web:   http://yale.cs.uni-dortmund.de/
 *
 *  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., 59 Temple Place, Suite 330, Boston, MA 02111-1307
 *  USA.
 */
package edu.udo.cs.yale.tools;

import java.io.Writer;
import java.io.IOException;

/** By using this multiplier all written content is multiplied to the given writers. 
 *  @author simon, ingo
 *  @version $Id: WriterMultiplier.java,v 2.3 2004/08/27 11:57:45 ingomierswa Exp $
 */
public class WriterMultiplier extends Writer {

    /** The writers to write the contents to. */
    private Writer[] writer;
    
    /** Creates a new writer multiplier. */
    public WriterMultiplier(Writer[] writer) {
	this.writer = writer;
    }

    /** Implements the abstract method of the superclass. */
    public void write(char[] bytes, int offset, int length) throws IOException {
	for (int i = 0; i < writer.length; i++) {
	    writer[i].write(bytes, offset, length);
	}
    }

    /** Closes all writers. */
    public void close() throws IOException {
	for (int i = 0; i < writer.length; i++) {
	    writer[i].close();
	}
    }

    /** Flushes all writers. */
    public void flush() throws IOException {
	for (int i = 0; i < writer.length; i++) {
	    writer[i].flush();
	}
    }
}