Permisii za files

import java.io.*;
import java.io.File;

public class Main {
    public static void main(String[] args) throws IOException {
        File file = new File(".");
        File[]files=file.listFiles();

        func(file);
    }
    static void func(File file)
    {
        File[]files=file.listFiles();
        for(File f : files)
        {
            getPermissions(f);
            if(f.isDirectory())
                func(f);
        }
    }
    static void getPermissions(File f)
    {
        String pom="";
        if(f.canRead())
        {
            pom+="R";
        }else pom+=" ";

        if(f.canWrite())
        {
            pom+="W";
        }else pom+=" ";

        if(f.canExecute())
        {
            pom+="X";
        }else pom+=" ";
        System.out.println(f.getName()+" "+ pom);
    }

}