List<Configuration> list = configurationDao.getConfigurations(
0, Integer.MAX_VALUE, "c.configuration_id", true);
Registry registry = new Registry();
registry.bind(OmTimeZone.class, OmTimeZoneConverter.class);
registry.bind(State.class, StateConverter.class);
registry.bind(User.class, UserConverter.class);
Strategy strategy = new RegistryStrategy(registry);
Serializer serializer = new Persister(strategy);
if (list != null && list.size() > 0) {
registry.bind(list.get(0).getStarttime().getClass(), DateConverter.class);