@Override
public EnumMap<?, ?> deserialize(JsonParser jp, DeserializationContext ctxt) throws IOException {
// Ok: must point to START_OBJECT
if (jp.getCurrentToken() != JsonToken.START_OBJECT) {
return _deserializeFromEmpty(jp, ctxt);
}
EnumMap result = constructMap();
final JsonDeserializer<Object> valueDes = _valueDeserializer;
final TypeDeserializer typeDeser = _valueTypeDeserializer;
while ((jp.nextToken()) == JsonToken.FIELD_NAME) {
String keyName = jp.getCurrentName(); // just for error message
// but we need to let key deserializer handle it separately, nonetheless
Enum<?> key = (Enum<?>) _keyDeserializer.deserializeKey(keyName, ctxt);
if (key == null) {
if (!ctxt.isEnabled(DeserializationFeature.READ_UNKNOWN_ENUM_VALUES_AS_NULL)) {
throw ctxt.weirdStringException(
keyName,
_enumClass,
"value not one of declared Enum instance names for " + _mapType.getKeyType());
}
/* 24-Mar-2012, tatu: Null won't work as a key anyway, so let's
* just skip the entry then. But we must skip the value as well, if so.
*/
jp.nextToken();
jp.skipChildren();
continue;
}
// And then the value...
JsonToken t = jp.nextToken();
/* note: MUST check for nulls separately: deserializers will
* not handle them (and maybe fail or return bogus data)
*/
Object value;
try {
if (t == JsonToken.VALUE_NULL) {
value = valueDes.getNullValue(ctxt);
} else if (typeDeser == null) {
value = valueDes.deserialize(jp, ctxt);
} else {
value = valueDes.deserializeWithType(jp, ctxt, typeDeser);
}
} catch (Exception e) {
wrapAndThrow(e, result, keyName);
return null;
}
result.put(key, value);
}
return result;
}