@SuppressWarnings("unchecked") public Map<Object, Object> _deserializeUsingCreator(JsonParser jp, DeserializationContext ctxt) throws IOException, JsonProcessingException { final Creator.PropertyBased creator = _propertyBasedCreator; PropertyValueBuffer buffer = creator.startBuilding(jp, ctxt); JsonToken t = jp.getCurrentToken(); if (t == JsonToken.START_OBJECT) { t = jp.nextToken(); } final JsonDeserializer<Object> valueDes = _valueDeserializer; final TypeDeserializer typeDeser = _valueTypeDeserializer; for (; t == JsonToken.FIELD_NAME; t = jp.nextToken()) { String propName = jp.getCurrentName(); t = jp.nextToken(); // to get to value if (_ignorableProperties != null && _ignorableProperties.contains(propName)) { jp.skipChildren(); // and skip it (in case of array/object) continue; } // creator property? SettableBeanProperty prop = creator.findCreatorProperty(propName); if (prop != null) { // Last property to set? Object value = prop.deserialize(jp, ctxt); if (buffer.assignParameter(prop.getCreatorIndex(), value)) { jp.nextToken(); Map<Object, Object> result = (Map<Object, Object>) creator.build(buffer); _readAndBind(jp, ctxt, result); return result; } continue; } // other property? needs buffering String fieldName = jp.getCurrentName(); Object key = (_keyDeserializer == null) ? fieldName : _keyDeserializer.deserializeKey(fieldName, ctxt); Object value; if (t == JsonToken.VALUE_NULL) { value = null; } else if (typeDeser == null) { value = valueDes.deserialize(jp, ctxt); } else { value = valueDes.deserializeWithType(jp, ctxt, typeDeser); } buffer.bufferMapProperty(key, value); } // end of JSON object? // if so, can just construct and leave... return (Map<Object, Object>) creator.build(buffer); }