public void setFileSize() {
        if (arr[DatenFilm.FILM_GROESSE].isEmpty())
            arr[DatenFilm.FILM_GROESSE] = FileSize.laengeString(arr[DatenFilm.FILM_URL]);
    }
public void setFileSize ( ) { if ( arr [ DatenFilm . FILM_GROESSE ] . isEmpty ( ) ) arr [ DatenFilm . FILM_GROESSE ] = FileSize . laengeString ( arr [ DatenFilm . FILM_URL ] ) ; }
Determine file size from remote location.