map.put(BigInteger.class, jsonSerializer);
map.put(BigDecimal.class, jsonSerializer);
// other
map.put(Boolean.class, new BooleanJsonSerializer());
map.put(Date.class, new DateJsonSerializer());
map.put(Calendar.class, new CalendarJsonSerializer());
map.put(JDateTime.class, new JDateTimeSerializer());
map.put(Enum.class, new EnumJsonSerializer());