main.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;

import edu.udo.cs.yale.operator.IllegalInputException;
import edu.udo.cs.yale.operator.IOContainer;
import edu.udo.cs.yale.operator.IOObject;
import edu.udo.cs.yale.operator.Operator;
import edu.udo.cs.yale.tools.LogService;
import edu.udo.cs.yale.tools.RandomGenerator;
import edu.udo.cs.yale.tools.ResultService;
import edu.udo.cs.yale.tools.TempFileService;


import java.io.IOException;
import java.io.PrintStream;
import java.io.FileOutputStream;
import java.io.File;

/**
 *  Main command line program.
 *  @author Simon
 *  @version $Id: Main.java,v 2.5 2004/08/27 11:57:30 ingomierswa Exp $
 */
public class Main extends Yale {

    private boolean showLogo = false;
    private String experimentfile = null;

    /** Parses the commandline arguments. */
    private void parseArguments(String[] argv) {
	experimentfile = null;

	for (int i = 0; i < argv.length; i++) {
	    if (argv[i].equals("-l")) {
		showLogo = true;
	    } else {
		experimentfile = argv[i];
	    }
	}
    
	if (experimentfile == null) {
	    printUsage();
	}
    }
    
    private static void printUsage() {
	System.err.println("Usage: "+Main.class.getName()+" EXPERIMENTFILE");
	System.exit(1);
    }

    private void run() {
	try {

	    if (showLogo) showLogo();

	    init();

	    if (showLogo) hideLogo();

	    readExperimentFile(new File(experimentfile));
	    LogService.init(getExperiment());
	    getExperiment().prepareRun();
	    IOContainer results = getExperiment().run();
	    getExperiment().getRootOperator().sendEmail(results, null);

	    System.err.println("Experiment finished successfully");
	    quit(0);
	    
	} catch (Throwable e) {

	    LogService.logException(null, e);
	    LogService.logMessageWithTree("Experiment failed!", 
					  LogService.FATAL, 
					  getExperiment().getCurrentOperator());
	    getExperiment().getRootOperator().sendEmail(null, e);
	    System.err.println("Experiment not successful");
	    quit(1);
	}
    }

    public static void main(String argv[]) {
	System.out.println(LICENSE);
	Main main = new Main();
	main.parseArguments(argv);
	main.run();
    }

}