@Override
public Enum<?> deserialize(JsonParser jp, DeserializationContext ctxt)
throws IOException, JsonProcessingException {
JsonToken curr = jp.getCurrentToken();
// Usually should just get string value:
if (curr == JsonToken.VALUE_STRING || curr == JsonToken.FIELD_NAME) {
String name = jp.getText();
Enum<?> result = _resolver.findEnum(name);
if (result == null
&& !ctxt.isEnabled(DeserializationFeature.READ_UNKNOWN_ENUM_VALUES_AS_NULL)) {
throw ctxt.weirdStringException(
name, _resolver.getEnumClass(), "value not one of declared Enum instance names");
}
return result;
}
// But let's consider int acceptable as well (if within ordinal range)
if (curr == JsonToken.VALUE_NUMBER_INT) {
/* ... unless told not to do that. :-)
* (as per [JACKSON-412]
*/
if (ctxt.isEnabled(DeserializationFeature.FAIL_ON_NUMBERS_FOR_ENUMS)) {
throw ctxt.mappingException(
"Not allowed to deserialize Enum value out of JSON number (disable DeserializationConfig.DeserializationFeature.FAIL_ON_NUMBERS_FOR_ENUMS to allow)");
}
int index = jp.getIntValue();
Enum<?> result = _resolver.getEnum(index);
if (result == null
&& !ctxt.isEnabled(DeserializationFeature.READ_UNKNOWN_ENUM_VALUES_AS_NULL)) {
throw ctxt.weirdNumberException(
Integer.valueOf(index),
_resolver.getEnumClass(),
"index value outside legal index range [0.." + _resolver.lastValidIndex() + "]");
}
return result;
}
throw ctxt.mappingException(_resolver.getEnumClass());
}
