yale.java

著名的开源仿真软件yale

/*
 *  YALE - Yet Another Learning Environment
 *  Copyright (C) 2002, 2003
 *      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.gui.SplashScreen;
import edu.udo.cs.yale.operator.IllegalInputException;
import edu.udo.cs.yale.operator.IllegalNumberOfInnerOperatorsException;
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.operator.OperatorChain;
import edu.udo.cs.yale.operator.SimpleOperatorChain;
import edu.udo.cs.yale.operator.OperatorException;
import edu.udo.cs.yale.tools.Tools;
import edu.udo.cs.yale.tools.LogService;
import edu.udo.cs.yale.tools.ParameterService;
import edu.udo.cs.yale.tools.RandomGenerator;
import edu.udo.cs.yale.tools.ResultService;
import edu.udo.cs.yale.tools.TempFileService;
import edu.udo.cs.yale.tools.plugin.Plugin;
import edu.udo.cs.yale.tools.xml.XMLException;

import java.io.IOException;
import java.io.File;
import java.io.Reader;
import java.io.FileReader;
import java.util.Map;
import javax.imageio.ImageIO;

/**
 *  Main program. Entry point for command line programm, GUI and wrappers.
 *  @author Simon, Ingo
 *  @version $Id: Yale.java,v 2.10 2003/07/24 15:40:59 fischer Exp $
 */
public class Yale {

    public static final String YALE_VERSION = "2.0beta2";

    static {
	System.setProperty("yale.version", YALE_VERSION);
    }

    public static final String LICENSE =
	"Yale version 2.0 beta 2, Copyright (C) 2002,2003\n"+
	"Yale comes with ABSOLUTELY NO WARRANTY; This is free software,\n" +
	"and you are welcome to redistribute it under certain conditions;\n"+
	"see license information in the file named LICENSE.";


    private static Experiment experiment;
    private static InputHandler inputHandler = new ConsoleInputHandler();
    private SplashScreen splashScreen;

    private static Yale theInstance;

    public Yale() {
	Yale.theInstance = this;
    }

    public static Yale getInstance() {
	return theInstance;
    }

    public static void readExperimentFile(File experimentfile) throws XMLException, IOException, InstantiationException, IllegalAccessException {
	try {
	    LogService.logMessage("Reading experiment file '" + experimentfile+"'.", LogService.STATUS);
	    if (!experimentfile.exists() || !experimentfile.canRead()) {
		LogService.logMessage("Cannot read config file '"+experimentfile+"'!", LogService.FATAL);
	    }
	    Yale.experiment = new Experiment(experimentfile);
	} catch (XMLException e) {
	    throw new XMLException(experimentfile.getName()+":"+e.getMessage());
	}
    }

    public static Experiment getExperiment() {
	return experiment;
    }

    public static void setExperiment(Experiment experiment) {
	Yale.experiment = experiment;
    }

    public static void init() throws IOException {
	ParameterService.init();
	Plugin.registerAllPlugins();
    }

    public SplashScreen showLogo() {
	try {
	    splashScreen = new SplashScreen("YALE", ImageIO.read(Tools.getResource("yale_logo_java.gif")));
	    splashScreen.showSplashScreen();
	    return splashScreen;
	} catch (Exception e) { e.printStackTrace(); return null; }
    }

    public void hideLogo() {
	try {
	    splashScreen.dispose();
	} catch (Exception e) {}
    }

    public void splashMessage(String message) {
	if (splashScreen != null) {
	    splashScreen.setMessage(message);
	}
    }

    public static void setInputHandler(InputHandler inputHandler) {
	Yale.inputHandler = inputHandler;
    }

    public static InputHandler getInputHandler() {
	return inputHandler;
    }

    public static void quit(int errorcode) {
	Runtime runtime = Runtime.getRuntime();
	runtime.gc();
	runtime.runFinalization();
	System.exit(errorcode);
    }

}