arfffilefilter.java

基于weka平台的数据挖掘方法

import javax.swing.*;
import java.awt.*;
import java.awt.event.*;
import java.io.*;
import java.lang.reflect.*;
import java.beans.*;
import java.util.*;
import javax.swing.*;
import javax.swing.filechooser.*;


class arffFileFilter extends javax.swing.filechooser.FileFilter{
	public boolean accept(File f){
		if (f.isDirectory()) {
		return true;
    	}
    	String ext=getExtension(f);
    if (ext!= null) {
		if (ext.equals("arff")) {
		        return true;
		} else {
		    return false;
		}
		}
		return false;
	}
	public  String getDescription(){
		return "arff File";
	}
	private static String getExtension(File f) {
        String ext = null;
        String s = f.getName();
        int i = s.lastIndexOf('.');

        if (i > 0 &&  i < s.length() - 1) {
            ext = s.substring(i+1).toLowerCase();
        }
        return ext;
    }
}