o.put("url", "http://server.example.com/cb/");
o.put("email", "alice@wonderland.net");
o.put("client_type", "public");
o.put("aud", Arrays.asList("client-1", "client-2"));
JSONParser parser = new JSONParser(JSONParser.USE_HI_PRECISION_FLOAT);
try {
o = (JSONObject)parser.parse(o.toString());
} catch (net.minidev.json.parser.ParseException e) {
fail(e.getMessage());
}