com.fasterxml.jackson.databind.deser.UnresolvedForwardReference Java Examples

The following examples show how to use com.fasterxml.jackson.databind.deser.UnresolvedForwardReference. You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.

Example #1

Source File: ObjectIdReferenceProperty.java From lams with GNU General Public License v2.0

5 votes

@Override
public Object deserializeSetAndReturn(JsonParser p, DeserializationContext ctxt, Object instance) throws IOException
{
    try {
        return setAndReturn(instance, deserialize(p, ctxt));
    } catch (UnresolvedForwardReference reference) {
        boolean usingIdentityInfo = (_objectIdInfo != null) || (_valueDeserializer.getObjectIdReader() != null);
        if (!usingIdentityInfo) {
            throw JsonMappingException.from(p, "Unresolved forward reference but no identity info", reference);
        }
        reference.getRoid().appendReferring(new PropertyReferring(this, reference, _type.getRawClass(), instance));
        return null;
    }
}

Example #2

Source File: ObjectIdReferenceProperty.java From lams with GNU General Public License v2.0

5 votes

public PropertyReferring(ObjectIdReferenceProperty parent,
        UnresolvedForwardReference ref, Class<?> type, Object ob)
{
    super(ref, type);
    _parent = parent;
    _pojo = ob;
}

Example #3

Source File: ReadableObjectId.java From lams with GNU General Public License v2.0

4 votes

public Referring(UnresolvedForwardReference ref, Class<?> beanType) {
    _reference = ref;
    _beanType = beanType;
}

Example #4

Source File: ReadableObjectId.java From lams with GNU General Public License v2.0

4 votes

public Referring(UnresolvedForwardReference ref, JavaType beanType) {
    _reference = ref;
    _beanType = beanType.getRawClass();
}

Example #5

Source File: CustomCollectionDeserializer.java From caravan with Apache License 2.0

4 votes

@SuppressWarnings("unchecked")
@Override
public Object deserialize(JsonParser p, DeserializationContext ctxt,
    Object result)
    throws IOException {
  // Ok: must point to START_ARRAY (or equivalent)
  if (!p.isExpectedStartArrayToken()) {
    return handleNonArray(p, ctxt, (Collection<Object>) result);
  }
  // [databind#631]: Assign current value, to be accessible by custom serializers
  p.setCurrentValue(result);

  JsonDeserializer<Object> valueDes = _valueDeserializer;
  final TypeDeserializer typeDeser = _valueTypeDeserializer;
  CollectionReferringAccumulator referringAccumulator =
      (valueDes.getObjectIdReader() == null) ? null :
          new CollectionReferringAccumulator(_containerType.getContentType().getRawClass(), (Collection<Object>) result);

  JsonToken t;
  while ((t = p.nextToken()) != JsonToken.END_ARRAY) {
    try {
      Object value;
      if (t == JsonToken.VALUE_NULL) {
        if (_skipNullValues) {
          continue;
        }
        value = _nullProvider.getNullValue(ctxt);
      } else if (typeDeser == null) {
        value = valueDes.deserialize(p, ctxt);
      } else {
        value = valueDes.deserializeWithType(p, ctxt, typeDeser);
      }
      if (referringAccumulator != null) {
        referringAccumulator.add(value);
      } else {
        ((Collection<Object>) result).add(value);
      }
    } catch (UnresolvedForwardReference reference) {
      if (referringAccumulator == null) {
        throw JsonMappingException
            .from(p, "Unresolved forward reference but no identity info", reference);
      }
      Referring ref = referringAccumulator.handleUnresolvedReference(reference);
      reference.getRoid().appendReferring(ref);
    } catch (Exception e) {
      boolean wrap = (ctxt == null) || ctxt.isEnabled(DeserializationFeature.WRAP_EXCEPTIONS);
      if (!wrap) {
        ClassUtil.throwIfRTE(e);
      }
      throw JsonMappingException.wrapWithPath(e, result, ((Collection<Object>) result).size());
    }
  }
  return result;
}

Example #6

Source File: CustomCollectionDeserializer.java From caravan with Apache License 2.0

4 votes

public Referring handleUnresolvedReference(UnresolvedForwardReference reference) {
  CollectionReferring id = new CollectionReferring(this, reference, _elementType);
  _accumulator.add(id);
  return id;
}

Example #7

Source File: CustomCollectionDeserializer.java From caravan with Apache License 2.0

4 votes

CollectionReferring(CollectionReferringAccumulator parent,
    UnresolvedForwardReference reference, Class<?> contentType) {
  super(reference, contentType);
  _parent = parent;
}

Example #8

Source File: ListDeserializer.java From allure2 with Apache License 2.0

4 votes

@Override
public Collection<Object> deserialize(JsonParser p, DeserializationContext ctxt,
                                      Collection<Object> result)
        throws IOException {
    // Ok: must point to START_ARRAY (or equivalent)
    if (!p.isExpectedStartArrayToken()) {
        return result;
    }
    // [databind#631]: Assign current value, to be accessible by custom serializers
    p.setCurrentValue(result);

    JsonDeserializer<Object> valueDes = _valueDeserializer;
    final TypeDeserializer typeDeser = _valueTypeDeserializer;
    CollectionReferringAccumulator referringAccumulator =
            (valueDes.getObjectIdReader() == null) ? null :
                    new CollectionReferringAccumulator(_containerType.getContentType().getRawClass(), result);

    JsonToken t;
    while ((t = p.nextToken()) != JsonToken.END_ARRAY) {
        try {
            Object value;
            if (t == JsonToken.VALUE_NULL) {
                if (_skipNullValues) {
                    continue;
                }
                value = _nullProvider.getNullValue(ctxt);
            } else if (typeDeser == null) {
                value = valueDes.deserialize(p, ctxt);
            } else {
                value = valueDes.deserializeWithType(p, ctxt, typeDeser);
            }
            if (referringAccumulator != null) {
                referringAccumulator.add(value);
            } else {
                result.add(value);
            }
        } catch (UnresolvedForwardReference reference) {
            if (referringAccumulator == null) {
                throw JsonMappingException
                        .from(p, "Unresolved forward reference but no identity info", reference);
            }
            ReadableObjectId.Referring ref = referringAccumulator.handleUnresolvedReference(reference);
            reference.getRoid().appendReferring(ref);
        } catch (Exception e) {
            boolean wrap = (ctxt == null) || ctxt.isEnabled(DeserializationFeature.WRAP_EXCEPTIONS);
            if (!wrap) {
                ClassUtil.throwIfRTE(e);
            }
            throw JsonMappingException.wrapWithPath(e, result, result.size());
        }
    }
    return result;
}