java-文件系统处理2

import java.io.*;
class FileAccept implements FilenameFilter
{
    String str = null;
    FileAccept(String s)
    {
        str=s;
    }
    public boolean accept(File dir, String name)
    {
        return name.endsWith(str);
    }
}
public class test {

    /**
     * @param args
     */
    public static void main(String[] args) {
        // TODO Auto-generated method stub

        String dirname = "./";
        File f1 = new File(dirname);
        if(f1.isDirectory()){
            System.out.println("Directory of "+dirname);
            FilenameFilter only = new FileAccept("bin");
            String s[]=f1.list(only);
            for(int i =0;i<s.length;i++){
                File f= new File(dirname +"/"+s[i]);
                if(f.isDirectory()){
                    System.out.println(s[i]+" is a directory");
                }else{
                    System.out.println(s[i]+" is a file");
                }
            }
        }
    }

}