public static File exporter_GraphML(String in, String lookupFileName) {
util_GraphVisualizer.XMLBIF_to_Graph(in, lookupFileName);
ExportController ec2 = Lookup.getDefault().lookup(ExportController.class);
File lo = new File(lookupFileName);
File file = new File(lo.getParent().concat("/out.graphml"));
Exporter exporterGraphML = ec2.getExporter("graphml"); //Get GraphML exporter
// exporterGraphML.setWorkspace(workspace);
// StringWriter stringWriter = new StringWriter();
//ec2.exportWriter(stringWriter, (CharacterExporter) exporterGraphML);
try {