FileInputStream in = new FileInputStream(f);
String id = store.writeBlob(in);
in.close();
String name = f.substring(parent.length());
listing.key(name).value(id);
listing.newline();
}
listing.endObject();
String l = listing.toString();
String id = store.writeBlob(new ByteArrayInputStream(l.getBytes("UTF-8")));
return id;