var serializer = Components.classes["@mozilla.org/rdf/xml-serializer;1"].createInstance(Components.interfaces.nsIRDFXMLSerializer);
var atomService = Components.classes["@mozilla.org/atom-service;1"].createInstance(Components.interfaces.nsIAtomService);

var outputStream = {
  data: "",
  close : function(){},
  flush : function(){},
  write : function (buffer,count){
    this.data += buffer;
    return count;
  },
  writeFrom : function (stream,count){},
  isNonBlocking: false
}

var XPCLUCENESERVICE_CONTRACTID = "@skrul.com/xpclucene;1";
var service = Components.classes[XPCLUCENESERVICE_CONTRACTID].getService(Components.interfaces.nsILuceneFactory);

var analyzer = service.getAnalyzer(0);
var query = service.parseQuery("home", "content", analyzer);

var indexSearcher = service.getIndexSearcherFromPath("/home/steve/dev/mozilla/extensions/xpclucene/test/index5");

var hits = indexSearcher.search(query);
//print(hits.score(0));

hits.QueryInterface(Components.interfaces.nsIRDFDataSource);
serializer.addNameSpace(atomService.getAtom("awol"), "http://www.w3.org/2005/Atom#");
serializer.addNameSpace(atomService.getAtom("logb"), "http://logb.org/2005/IndexEntry#");
serializer.init(hits);

serializer.QueryInterface(Components.interfaces.nsIRDFXMLSource);
serializer.Serialize(outputStream);

print(outputStream.data);