addURL( url );
try { url.getContent(); addURL( url ); } catch( Exception e ) { final String error = "Failed to resolve url " + url; System.err.println( error ); }
    synchronized void addDelegates( final URL[] urls )    {        URL[] local = super.getURLs();        List list = Arrays.asList( local );        for( int i=0; i<urls.length; i++ )        {            URL url = urls[i];            if( !list.contains( url ) )            {                addURL( url );            }        }    }