@Override public LocalDate deserialize(JsonParser jp, DeserializationContext ctxt) throws IOException, JsonProcessingException { // We'll accept either long (timestamp) or array: if (jp.isExpectedStartArrayToken()) { jp.nextToken(); // VALUE_NUMBER_INT int year = jp.getIntValue(); jp.nextToken(); // VALUE_NUMBER_INT int month = jp.getIntValue(); jp.nextToken(); // VALUE_NUMBER_INT int day = jp.getIntValue(); if (jp.nextToken() != JsonToken.END_ARRAY) { throw ctxt.wrongTokenException(jp, JsonToken.END_ARRAY, "after LocalDate ints"); } return new LocalDate(year, month, day); } switch (jp.getCurrentToken()) { case VALUE_NUMBER_INT: return new LocalDate(jp.getLongValue()); case VALUE_STRING: DateTime local = parseLocal(jp); if (local == null) { return null; } return local.toLocalDate(); } throw ctxt.wrongTokenException( jp, JsonToken.START_ARRAY, "expected JSON Array, String or Number"); }