simplefilefilter.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.gui;

import javax.swing.filechooser.FileFilter;
import java.io.File;

public class SimpleFileFilter extends FileFilter {

    private String[] extensions;
    private String description;
    private int id;

    public SimpleFileFilter(String description, String extension) {
	this(description, new String[] { extension }, -1);
    }

    public SimpleFileFilter(String description, String extension, int id) {
	this(description, new String[] { extension }, id);
    }

    /** Creates a FileFilter that filters based on a list of extensions.
     *  @param id Can be used to identify the filter */
    public SimpleFileFilter(String description, String[] extensions, int id) {
	this.description = description;
	this.extensions = extensions;
	this.id = id;
    }

    public String getDescription() { 
	return description;
    }
    
    public boolean accept(File f) {
	if (f.isDirectory()) return true;
	for (int i = 0; i < extensions.length; i++)
	    if (f.getName().endsWith(extensions[i]))
		return true;
	return false;
    }

    public int getId() {
	return id;
    }


}