code: @Override
      public void handleNamespace(String prefix, String namespace) {
  	if (prefix.equals("")) {
  	    prefix = "def";
  	}
  	this.document.getNamespace().register(prefix, namespace);
  	//pFactory.setNamespaces(this.document.getNss());
  	//this.revnss.put(namespace, prefix);
      }
docs: RDFHandlerBase overrides