/** Method that will construct a regular bean property setter using the given setter method. */
protected SettableBeanProperty constructSetterlessProperty(
DeserializationContext ctxt, BeanDescription beanDesc, BeanPropertyDefinition propDef)
throws JsonMappingException {
final AnnotatedMethod getter = propDef.getGetter();
// need to ensure it is callable now:
if (ctxt.canOverrideAccessModifiers()) {
getter.fixAccess();
}
/* 26-Jan-2012, tatu: Alas, this complication is still needed to handle
* (or at least work around) local type declarations...
*/
JavaType type = getter.getType(beanDesc.bindingsForBeanType());
/* First: does the Method specify the deserializer to use?
* If so, let's use it.
*/
JsonDeserializer<Object> propDeser = findDeserializerFromAnnotation(ctxt, getter);
type = modifyTypeByAnnotation(ctxt, getter, type);
TypeDeserializer typeDeser = type.getTypeHandler();
SettableBeanProperty prop =
new SetterlessProperty(propDef, type, typeDeser, beanDesc.getClassAnnotations(), getter);
if (propDeser != null) {
prop = prop.withValueDeserializer(propDeser);
}
return prop;
}
/**
* Method called to finalize setup of this deserializer, after deserializer itself has been
* registered. This is needed to handle recursive and transitive dependencies.
*/
public void resolve(DeserializationConfig config, DeserializerProvider provider)
throws JsonMappingException {
// just need to worry about property-based one
if (_propertyBasedCreator != null) {
// Need to / should not create separate
HashMap<JavaType, JsonDeserializer<Object>> seen =
new HashMap<JavaType, JsonDeserializer<Object>>();
for (SettableBeanProperty prop : _propertyBasedCreator.properties()) {
prop.setValueDeserializer(
findDeserializer(config, provider, prop.getType(), prop.getPropertyName(), seen));
}
}
}
@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);
}
/**
* Method that will construct a regular bean property setter using the given setter method.
*
* @return Property constructed, if any; or null to indicate that there should be no property
* based on given definitions.
*/
protected SettableBeanProperty constructSettableProperty(
DeserializationContext ctxt,
BeanDescription beanDesc,
BeanPropertyDefinition propDef,
Type jdkType)
throws JsonMappingException {
// need to ensure method is callable (for non-public)
AnnotatedMember mutator = propDef.getMutator();
if (ctxt.canOverrideAccessModifiers()) {
mutator.fixAccess();
}
// note: this works since we know there's exactly one argument for methods
JavaType t0 = beanDesc.resolveType(jdkType);
BeanProperty.Std property =
new BeanProperty.Std(propDef.getName(), t0, beanDesc.getClassAnnotations(), mutator);
JavaType type = resolveType(ctxt, beanDesc, t0, mutator);
// did type change?
if (type != t0) {
property = property.withType(type);
}
/* First: does the Method specify the deserializer to use?
* If so, let's use it.
*/
JsonDeserializer<Object> propDeser = findDeserializerFromAnnotation(ctxt, mutator);
type = modifyTypeByAnnotation(ctxt, mutator, type);
TypeDeserializer typeDeser = type.getTypeHandler();
SettableBeanProperty prop;
if (mutator instanceof AnnotatedMethod) {
prop =
new MethodProperty(
propDef, type, typeDeser, beanDesc.getClassAnnotations(), (AnnotatedMethod) mutator);
} else {
prop =
new FieldProperty(
propDef, type, typeDeser, beanDesc.getClassAnnotations(), (AnnotatedField) mutator);
}
if (propDeser != null) {
prop = prop.withValueDeserializer(propDeser);
}
// [JACKSON-235]: need to retain name of managed forward references:
AnnotationIntrospector.ReferenceProperty ref = propDef.findReferenceType();
if (ref != null && ref.isManagedReference()) {
prop.setManagedReferenceName(ref.getName());
}
return prop;
}
protected void addObjectIdReader(
DeserializationContext ctxt, BeanDescription beanDesc, BeanDeserializerBuilder builder)
throws JsonMappingException {
ObjectIdInfo objectIdInfo = beanDesc.getObjectIdInfo();
if (objectIdInfo == null) {
return;
}
Class<?> implClass = objectIdInfo.getGeneratorType();
JavaType idType;
SettableBeanProperty idProp;
ObjectIdGenerator<?> gen;
// Just one special case: Property-based generator is trickier
if (implClass
== ObjectIdGenerators.PropertyGenerator.class) { // most special one, needs extra work
String propName = objectIdInfo.getPropertyName();
idProp = builder.findProperty(propName);
if (idProp == null) {
throw new IllegalArgumentException(
"Invalid Object Id definition for "
+ beanDesc.getBeanClass().getName()
+ ": can not find property with name '"
+ propName
+ "'");
}
idType = idProp.getType();
gen = new PropertyBasedObjectIdGenerator(objectIdInfo.getScope());
} else {
JavaType type = ctxt.constructType(implClass);
idType = ctxt.getTypeFactory().findTypeParameters(type, ObjectIdGenerator.class)[0];
idProp = null;
gen = ctxt.objectIdGeneratorInstance(beanDesc.getClassInfo(), objectIdInfo);
}
// also: unlike with value deserializers, let's just resolve one we need here
JsonDeserializer<?> deser = ctxt.findRootValueDeserializer(idType);
builder.setObjectIdReader(
ObjectIdReader.construct(idType, objectIdInfo.getPropertyName(), gen, deser, idProp));
}
/**
* Method called to figure out settable properties for the bean deserializer to use.
*
* <p>Note: designed to be overridable, and effort is made to keep interface similar between
* versions.
*/
protected void addBeanProps(
DeserializationContext ctxt, BeanDescription beanDesc, BeanDeserializerBuilder builder)
throws JsonMappingException {
final SettableBeanProperty[] creatorProps =
builder.getValueInstantiator().getFromObjectArguments(ctxt.getConfig());
// Things specified as "ok to ignore"? [JACKSON-77]
AnnotationIntrospector intr = ctxt.getAnnotationIntrospector();
boolean ignoreAny = false;
{
Boolean B = intr.findIgnoreUnknownProperties(beanDesc.getClassInfo());
if (B != null) {
ignoreAny = B.booleanValue();
builder.setIgnoreUnknownProperties(ignoreAny);
}
}
// Or explicit/implicit definitions?
Set<String> ignored =
ArrayBuilders.arrayToSet(intr.findPropertiesToIgnore(beanDesc.getClassInfo()));
for (String propName : ignored) {
builder.addIgnorable(propName);
}
// Also, do we have a fallback "any" setter?
AnnotatedMethod anySetter = beanDesc.findAnySetter();
if (anySetter != null) {
builder.setAnySetter(constructAnySetter(ctxt, beanDesc, anySetter));
}
// NOTE: we do NOT add @JsonIgnore'd properties into blocked ones if there's any setter
// Implicit ones via @JsonIgnore and equivalent?
if (anySetter == null) {
Collection<String> ignored2 = beanDesc.getIgnoredPropertyNames();
if (ignored2 != null) {
for (String propName : ignored2) {
// allow ignoral of similarly named JSON property, but do not force;
// latter means NOT adding this to 'ignored':
builder.addIgnorable(propName);
}
}
}
final boolean useGettersAsSetters =
(ctxt.isEnabled(MapperFeature.USE_GETTERS_AS_SETTERS)
&& ctxt.isEnabled(MapperFeature.AUTO_DETECT_GETTERS));
// Ok: let's then filter out property definitions
List<BeanPropertyDefinition> propDefs =
filterBeanProps(ctxt, beanDesc, builder, beanDesc.findProperties(), ignored);
// After which we can let custom code change the set
if (_factoryConfig.hasDeserializerModifiers()) {
for (BeanDeserializerModifier mod : _factoryConfig.deserializerModifiers()) {
propDefs = mod.updateProperties(ctxt.getConfig(), beanDesc, propDefs);
}
}
// At which point we still have all kinds of properties; not all with mutators:
for (BeanPropertyDefinition propDef : propDefs) {
SettableBeanProperty prop = null;
if (propDef.hasConstructorParameter()) {
/* [JACKSON-700] If property is passed via constructor parameter, we must
* handle things in special way. Not sure what is the most optimal way...
* for now, let's just call a (new) method in builder, which does nothing.
*/
// but let's call a method just to allow custom builders to be aware...
final String name = propDef.getName();
for (SettableBeanProperty cp : creatorProps) {
if (name.equals(cp.getName())) {
prop = cp;
break;
}
}
if (prop == null) {
throw ctxt.mappingException("Could not find creator property with name '" + name + "'");
}
builder.addCreatorProperty(prop);
continue;
}
if (propDef.hasSetter()) {
Type propertyType = propDef.getSetter().getGenericParameterType(0);
prop = constructSettableProperty(ctxt, beanDesc, propDef, propertyType);
} else if (propDef.hasField()) {
Type propertyType = propDef.getField().getGenericType();
prop = constructSettableProperty(ctxt, beanDesc, propDef, propertyType);
} else if (useGettersAsSetters && propDef.hasGetter()) {
/* As per [JACKSON-88], may also need to consider getters
* for Map/Collection properties; but with lowest precedence
*/
AnnotatedMethod getter = propDef.getGetter();
// should only consider Collections and Maps, for now?
Class<?> rawPropertyType = getter.getRawType();
if (Collection.class.isAssignableFrom(rawPropertyType)
|| Map.class.isAssignableFrom(rawPropertyType)) {
prop = constructSetterlessProperty(ctxt, beanDesc, propDef);
}
}
if (prop != null) {
Class<?>[] views = propDef.findViews();
if (views == null) {
// one more twist: if default inclusion disabled, need to force empty set of views
if (!ctxt.isEnabled(MapperFeature.DEFAULT_VIEW_INCLUSION)) {
views = NO_VIEWS;
}
}
// one more thing before adding to builder: copy any metadata
prop.setViews(views);
builder.addProperty(prop);
}
}
}