/**
* Contextualization is needed to see whether we can "inline" deserialization of String values, or
* if we have to use separate value deserializer.
*/
@Override
public JsonDeserializer<?> createContextual(DeserializationContext ctxt, BeanProperty property)
throws JsonMappingException {
JsonDeserializer<?> deser = _elementDeserializer;
// May have a content converter
deser = findConvertingContentDeserializer(ctxt, property, deser);
JavaType type = ctxt.constructType(String.class);
if (deser == null) {
deser = ctxt.findContextualValueDeserializer(type, property);
} else { // if directly assigned, probably not yet contextual, so:
deser = ctxt.handleSecondaryContextualization(deser, property, type);
}
// One more thing: allow unwrapping?
Boolean unwrapSingle =
findFormatFeature(
ctxt, property, String[].class, JsonFormat.Feature.ACCEPT_SINGLE_VALUE_AS_ARRAY);
// Ok ok: if all we got is the default String deserializer, can just forget about it
if ((deser != null) && isDefaultDeserializer(deser)) {
deser = null;
}
if ((_elementDeserializer == deser) && (_unwrapSingle == unwrapSingle)) {
return this;
}
return new StringArrayDeserializer(deser, unwrapSingle);
}
@Override
public JsonDeserializer<?> createContextual(DeserializationContext ctxt, BeanProperty property)
throws JsonMappingException {
// May need to resolve types for delegate-based creators:
JsonDeserializer<Object> delegate = null;
if (_valueInstantiator != null) {
AnnotatedWithParams delegateCreator = _valueInstantiator.getDelegateCreator();
if (delegateCreator != null) {
JavaType delegateType = _valueInstantiator.getDelegateType(ctxt.getConfig());
delegate = findDeserializer(ctxt, delegateType, property);
}
}
JsonDeserializer<?> valueDeser = _valueDeserializer;
if (valueDeser == null) {
// #125: May have a content converter
valueDeser = findConvertingContentDeserializer(ctxt, property, valueDeser);
if (valueDeser == null) {
// And we may also need to get deserializer for String
valueDeser =
ctxt.findContextualValueDeserializer(_collectionType.getContentType(), property);
}
} else { // if directly assigned, probably not yet contextual, so:
valueDeser = ctxt.handleSecondaryContextualization(valueDeser, property);
}
if (isDefaultDeserializer(valueDeser)) {
valueDeser = null;
}
return withResolved(delegate, valueDeser);
}
/**
* Method called to finalize setup of this deserializer, when it is known for which property
* deserializer is needed for.
*/
@Override
public JsonDeserializer<?> createContextual(DeserializationContext ctxt, BeanProperty property)
throws JsonMappingException {
// note: instead of finding key deserializer, with enums we actually
// work with regular deserializers (less code duplication; but not
// quite as clean as it ought to be)
KeyDeserializer kd = _keyDeserializer;
if (kd == null) {
kd = ctxt.findKeyDeserializer(_mapType.getKeyType(), property);
}
JsonDeserializer<?> vd = _valueDeserializer;
final JavaType vt = _mapType.getContentType();
if (vd == null) {
vd = ctxt.findContextualValueDeserializer(vt, property);
} else { // if directly assigned, probably not yet contextual, so:
vd = ctxt.handleSecondaryContextualization(vd, property, vt);
}
TypeDeserializer vtd = _valueTypeDeserializer;
if (vtd != null) {
vtd = vtd.forProperty(property);
}
return withResolved(kd, vd, vtd);
}