/** * Method that is to actually build a bean deserializer instance. All basic sanity checks have * been done to know that what we have may be a valid bean type, and that there are no default * simple deserializers. */ @SuppressWarnings("unchecked") public JsonDeserializer<Object> buildBeanDeserializer( DeserializationContext ctxt, JavaType type, BeanDescription beanDesc) throws JsonMappingException { // First: check what creators we can use, if any ValueInstantiator valueInstantiator = findValueInstantiator(ctxt, beanDesc); BeanDeserializerBuilder builder = constructBeanDeserializerBuilder(ctxt, beanDesc); builder.setValueInstantiator(valueInstantiator); // And then setters for deserializing from JSON Object addBeanProps(ctxt, beanDesc, builder); addObjectIdReader(ctxt, beanDesc, builder); // managed/back reference fields/setters need special handling... first part addReferenceProperties(ctxt, beanDesc, builder); addInjectables(ctxt, beanDesc, builder); final DeserializationConfig config = ctxt.getConfig(); // [JACKSON-440]: update builder now that all information is in? if (_factoryConfig.hasDeserializerModifiers()) { for (BeanDeserializerModifier mod : _factoryConfig.deserializerModifiers()) { builder = mod.updateBuilder(config, beanDesc, builder); } } JsonDeserializer<?> deserializer; /* 19-Mar-2012, tatu: This check used to be done earlier; but we have to defer * it a bit to collect information on ObjectIdReader, for example. */ if (type.isAbstract() && !valueInstantiator.canInstantiate()) { deserializer = builder.buildAbstract(); } else { deserializer = builder.build(); } // [JACKSON-440]: may have modifier(s) that wants to modify or replace serializer we just built: if (_factoryConfig.hasDeserializerModifiers()) { for (BeanDeserializerModifier mod : _factoryConfig.deserializerModifiers()) { deserializer = mod.modifyDeserializer(config, beanDesc, deserializer); } } return (JsonDeserializer<Object>) deserializer; }