private void addFallbackSelector(Properties settings,ProtocolDispatchSelector ps){
  String proxy=settings.getProperty("default");
  if (proxy != null) {
    ps.setFallbackSelector(ProxyUtil.parseProxySettings(proxy));
  }
}

private void addFallbackSelector ( Properties settings , ProtocolDispatchSelector ps ) { String proxy = settings . getProperty ( "default" ) ; if ( proxy != null ) { ps . setFallbackSelector ( ProxyUtil . parseProxySettings ( proxy ) ) ; } }
installs a fallback selector that is used whenever no protocol specific selector is defined .
