operatordescription.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 edu.udo.cs.yale.tools.Tools;

import java.io.File;
import java.io.IOException;
import java.awt.Image;
import java.net.URL;
import javax.imageio.ImageIO;

/** Data container for name, short name, path and the (very short) description of an operator. 
 *  @author ingo
 *  @version $Id: OperatorDescription.java,v 2.4 2004/08/27 11:57:45 ingomierswa Exp $ 
 */
public class OperatorDescription {

    private String name;
    private Class clazz;
    private String description;
    private String group;
    private Image  icon = null;
    private String iconName;

    public OperatorDescription(ClassLoader classLoader, String name, String className, String description, String group, String icon) 
	throws ClassNotFoundException {

	this.name        = name;
	this.clazz       = Class.forName(className, true, classLoader);
	this.description = description;
	this.group       = group;
	URL url = null;
	if (icon != null) {
	    url = Tools.getResource(classLoader, "icons/op_" + icon + ".gif");
	    this.iconName    = "op_"+icon;
	} else {
	    url = Tools.getResource(classLoader, "icons/group_" + group + ".gif");
	    this.iconName    = "group_"+group;
	}
	if (url != null) {
	    try {
		this.icon = ImageIO.read(url);   
	    } catch (IOException e) { 
		this.iconName = null; 
	    }
	} else {
	    this.iconName = null;
	}
    }

    public String getName() { return name; }
    public Class getOperatorClass() { return clazz; }
    public String getDescription() { return description; }
    public String getGroup() { return group; }
    public Image  getIcon() { return icon; }
    public String getIconName() { return iconName; }
}