MainClass.java Source code

Introduction

Here is the source code for MainClass.java

Source

import java.io.File;
import java.io.FilenameFilter;
import java.util.Arrays;
import java.util.regex.Pattern;

public class MainClass {
    public static void main(String[] args) {
        File path = new File(".");
        String[] list;
        if (args.length == 0)
            list = path.list();
        else
            list = path.list(new DirFilter(args[0]));
        Arrays.sort(list);
        for (int i = 0; i < list.length; i++)
            System.out.println(list[i]);
    }
}

class DirFilter implements FilenameFilter {
    private Pattern pattern;

    public DirFilter(String regex) {
        pattern = Pattern.compile(regex);
    }

    public boolean accept(File dir, String name) {
        return pattern.matcher(new File(name).getName()).matches();
    }
}