private boolean exclude(MFile mfile) {
    if (excludeFilters == null) return false;
    for (MFileFilter filter : excludeFilters) {
      if (filter.accept(mfile))
        return true;
    }
    return false;
  }
private boolean exclude ( MFile mfile ) { if ( excludeFilters == null ) return false ; for ( MFileFilter filter : excludeFilters ) { if ( filter . accept ( mfile ) ) return true ; } return false ; }
exclusion is an AND