is = a.getInputStream(url.getFile());
is = a.getInputStream(url.getFile(), url.getPort());
    public void connect() throws IOException {      if (!connected) {	BundleImpl b = null;	try {	  b = bundles.getBundle(Long.parseLong(url.getHost()));	} catch (NumberFormatException ignore) { }	if (b != null) {	  BundleArchive a = b.getBundleArchive();	  if (a != null) {	    is = a.getInputStream(url.getFile());	  }	}	if (is != null) {	  connected = true;	} else {	  throw new IOException("URL not found");	}      }    }