while(true){
String line = br.readLine();
if (line==null) break;
JSONObject obj = new FastJSONObject(line);
ZoieIndexable indexable = defaultInterpreter.convertAndInterpret(obj);
IndexingReq[] idxReqs = indexable.buildIndexingReqs();
for (IndexingReq req : idxReqs){
Document doc = req.getDocument();
idxWriter.addDocument(doc);
}