/**
* Method for constructing a bean deserializer that uses specified intermediate Builder for
* binding data, and construction of the value instance. Note that implementation is mostly copied
* from the regular BeanDeserializer build method.
*/
@SuppressWarnings("unchecked")
protected JsonDeserializer<Object> buildBuilderBasedDeserializer(
DeserializationContext ctxt, JavaType valueType, BeanDescription builderDesc)
throws JsonMappingException {
// Creators, anyone? (to create builder itself)
ValueInstantiator valueInstantiator = findValueInstantiator(ctxt, builderDesc);
final DeserializationConfig config = ctxt.getConfig();
BeanDeserializerBuilder builder = constructBeanDeserializerBuilder(ctxt, builderDesc);
builder.setValueInstantiator(valueInstantiator);
// And then "with methods" for deserializing from JSON Object
addBeanProps(ctxt, builderDesc, builder);
addObjectIdReader(ctxt, builderDesc, builder);
// managed/back reference fields/setters need special handling... first part
addReferenceProperties(ctxt, builderDesc, builder);
addInjectables(ctxt, builderDesc, builder);
JsonPOJOBuilder.Value builderConfig = builderDesc.findPOJOBuilderConfig();
final String buildMethodName =
(builderConfig == null) ? "build" : builderConfig.buildMethodName;
// and lastly, find build method to use:
AnnotatedMethod buildMethod = builderDesc.findMethod(buildMethodName, null);
if (buildMethod != null) { // note: can't yet throw error; may be given build method
if (config.canOverrideAccessModifiers()) {
ClassUtil.checkAndFixAccess(buildMethod.getMember());
}
}
builder.setPOJOBuilder(buildMethod, builderConfig);
// this may give us more information...
if (_factoryConfig.hasDeserializerModifiers()) {
for (BeanDeserializerModifier mod : _factoryConfig.deserializerModifiers()) {
builder = mod.updateBuilder(config, builderDesc, builder);
}
}
JsonDeserializer<?> deserializer = builder.buildBuilderBased(valueType, buildMethodName);
// [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, builderDesc, deserializer);
}
}
return (JsonDeserializer<Object>) deserializer;
}
/**
* Factory method used when Enum instances are to be deserialized using a creator (static factory
* method)
*
* @return Deserializer based on given factory method, if type was suitable; null if type can not
* be used
*/
public static JsonDeserializer<?> deserializerForCreator(
DeserializationConfig config, Class<?> enumClass, AnnotatedMethod factory) {
// note: caller has verified there's just one arg; but we must verify its type
Class<?> paramClass = factory.getRawParameterType(0);
if (paramClass == String.class) {
paramClass = null;
} else if (paramClass == Integer.TYPE || paramClass == Integer.class) {
paramClass = Integer.class;
} else if (paramClass == Long.TYPE || paramClass == Long.class) {
paramClass = Long.class;
} else {
throw new IllegalArgumentException(
"Parameter #0 type for factory method ("
+ factory
+ ") not suitable, must be java.lang.String or int/Integer/long/Long");
}
if (config.canOverrideAccessModifiers()) {
ClassUtil.checkAndFixAccess(factory.getMember());
}
return new FactoryBasedDeserializer(enumClass, factory, paramClass);
}
