public OpenDirectory(String realPath,
    String path,
    File f) 
{
               
            this.path = path;
            this.realPath = realPath;
            this.f = f;
            this.children = f.listFiles();
}

 public File[] getChildren() 
{
            return children;
}

 public File getFile() 
{
            return f;
}

 public int getPosition() 
{
            return readpos;
}

 public  void setPosition(int readpos) 
{
            this.readpos = readpos;
}