/**
* Method called by {@link BeanDeserializerFactory} to see if there might be a standard
* deserializer registered for given type.
*/
@SuppressWarnings("unchecked")
protected JsonDeserializer<Object> findStdDeserializer(
DeserializationConfig config, JavaType type) throws JsonMappingException {
Class<?> cls = type.getRawClass();
// note: we do NOT check for custom deserializers here; that's for sub-class to do
JsonDeserializer<Object> deser = _simpleDeserializers.get(new ClassKey(cls));
if (deser != null) {
return deser;
}
// [JACKSON-283]: AtomicReference is a rather special type...
if (AtomicReference.class.isAssignableFrom(cls)) {
// Must find parameterization
TypeFactory tf = config.getTypeFactory();
JavaType[] params = tf.findTypeParameters(type, AtomicReference.class);
JavaType referencedType;
if (params == null || params.length < 1) { // untyped (raw)
referencedType = TypeFactory.unknownType();
} else {
referencedType = params[0];
}
JsonDeserializer<?> d2 = new JdkDeserializers.AtomicReferenceDeserializer(referencedType);
return (JsonDeserializer<Object>) d2;
}
// [JACKSON-386]: External/optional type handlers are handled somewhat differently
JsonDeserializer<?> d = optionalHandlers.findDeserializer(type, config);
if (d != null) {
return (JsonDeserializer<Object>) d;
}
return null;
}
protected boolean _useStatic(
SerializerProvider provider, BeanProperty property, JavaType referredType) {
// First: no serializer for `Object.class`, must be dynamic
if (referredType.isJavaLangObject()) {
return false;
}
// but if type is final, might as well fetch
if (referredType.isFinal()) { // or should we allow annotation override? (only if requested...)
return true;
}
// also: if indicated by typing, should be considered static
if (referredType.useStaticType()) {
return true;
}
// if neither, maybe explicit annotation?
AnnotationIntrospector intr = provider.getAnnotationIntrospector();
if ((intr != null) && (property != null)) {
Annotated ann = property.getMember();
if (ann != null) {
JsonSerialize.Typing t = intr.findSerializationTyping(property.getMember());
if (t == JsonSerialize.Typing.STATIC) {
return true;
}
if (t == JsonSerialize.Typing.DYNAMIC) {
return false;
}
}
}
// and finally, may be forced by global static typing (unlikely...)
return provider.isEnabled(MapperFeature.USE_STATIC_TYPING);
}
protected BeanPropertyWriter _constructVirtualProperty(
JsonAppend.Prop prop, MapperConfig<?> config, AnnotatedClass ac) {
PropertyMetadata metadata =
prop.required() ? PropertyMetadata.STD_REQUIRED : PropertyMetadata.STD_OPTIONAL;
PropertyName propName = _propertyName(prop.name(), prop.namespace());
JavaType type = config.constructType(prop.type());
// now, then, we need a placeholder for member (no real Field/Method):
AnnotatedMember member =
new VirtualAnnotatedMember(
ac, ac.getRawType(), propName.getSimpleName(), type.getRawClass());
// and with that and property definition
SimpleBeanPropertyDefinition propDef =
SimpleBeanPropertyDefinition.construct(config, member, propName, metadata, prop.include());
Class<?> implClass = prop.value();
HandlerInstantiator hi = config.getHandlerInstantiator();
VirtualBeanPropertyWriter bpw =
(hi == null) ? null : hi.virtualPropertyWriterInstance(config, implClass);
if (bpw == null) {
bpw =
(VirtualBeanPropertyWriter)
ClassUtil.createInstance(implClass, config.canOverrideAccessModifiers());
}
// one more thing: give it necessary contextual information
return bpw.withConfig(config, ac, propDef, type);
}
@Override
public JsonArrayFormatVisitor expectArrayFormat(JavaType type) throws JsonMappingException {
serializerProvider
.findValueSerializer(type.getContentType())
.acceptJsonFormatVisitor(createSubtraverser(baseName), type.getContentType());
return new JsonArrayFormatVisitor.Base(serializerProvider);
}
/** 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;
}
public ValueInstantiator constructValueInstantiator(DeserializationConfig config) {
JavaType delegateType;
boolean maybeVanilla = !_hasNonDefaultCreator;
if (maybeVanilla || (_creators[C_DELEGATE] == null)) {
delegateType = null;
} else {
// need to find type...
int ix = 0;
if (_delegateArgs != null) {
for (int i = 0, len = _delegateArgs.length; i < len; ++i) {
if (_delegateArgs[i] == null) { // marker for delegate itself
ix = i;
break;
}
}
}
delegateType = _creators[C_DELEGATE].getParameterType(ix);
}
final JavaType type = _beanDesc.getType();
// Any non-standard creator will prevent; with one exception: int-valued constructor
// that standard containers have can be ignored
maybeVanilla &= !_hasNonDefaultCreator;
if (maybeVanilla) {
/* 10-May-2014, tatu: If we have nothing special, and we are dealing with one
* of "well-known" types, can create a non-reflection-based instantiator.
*/
final Class<?> rawType = type.getRawClass();
if (rawType == Collection.class || rawType == List.class || rawType == ArrayList.class) {
return new Vanilla(Vanilla.TYPE_COLLECTION);
}
if (rawType == Map.class || rawType == LinkedHashMap.class) {
return new Vanilla(Vanilla.TYPE_MAP);
}
if (rawType == HashMap.class) {
return new Vanilla(Vanilla.TYPE_HASH_MAP);
}
}
StdValueInstantiator inst = new StdValueInstantiator(config, type);
inst.configureFromObjectSettings(
_creators[C_DEFAULT],
_creators[C_DELEGATE],
delegateType,
_delegateArgs,
_creators[C_PROPS],
_propertyBasedArgs);
inst.configureFromStringCreator(_creators[C_STRING]);
inst.configureFromIntCreator(_creators[C_INT]);
inst.configureFromLongCreator(_creators[C_LONG]);
inst.configureFromDoubleCreator(_creators[C_DOUBLE]);
inst.configureFromBooleanCreator(_creators[C_BOOLEAN]);
inst.configureIncompleteParameter(_incompleteParameter);
return inst;
}
@Override
public JavaType widenContentsBy(Class<?> contentClass) {
// Can do a quick check first:
if (contentClass == _elementType.getRawClass()) {
return this;
}
return new CollectionLikeType(
_class, _elementType.widenBy(contentClass), _valueHandler, _typeHandler);
}
// [databind#938]
public void testRecursivePair() throws Exception {
JavaType t = MAPPER.constructType(ImmutablePair.class);
assertNotNull(t);
assertEquals(ImmutablePair.class, t.getRawClass());
List<ImmutablePair<String, Double>> list = new ArrayList<ImmutablePair<String, Double>>();
list.add(ImmutablePair.of("Hello World!", 123d));
String json = MAPPER.writeValueAsString(list);
assertNotNull(json);
// can not deserialize with current definition, however
}
protected MinimalClassNameIdResolver(JavaType javatype, TypeFactory typefactory) {
super(javatype, typefactory);
javatype = javatype.getRawClass().getName();
int i = javatype.lastIndexOf('.');
if (i < 0) {
_basePackageName = "";
_basePackagePrefix = ".";
return;
} else {
_basePackagePrefix = javatype.substring(0, i + 1);
_basePackageName = javatype.substring(0, i);
return;
}
}
@Override
public JavaType modifyType(
JavaType type, Type jdkType, TypeBindings bindings, TypeFactory typeFactory) {
final Class<?> raw = type.getRawClass();
if (Seq.class.isAssignableFrom(raw) && CharSeq.class != raw) {
return CollectionLikeType.construct(raw, type.containedTypeOrUnknown(0));
}
if (Set.class.isAssignableFrom(raw)) {
return CollectionLikeType.construct(raw, type.containedTypeOrUnknown(0));
}
if (PriorityQueue.class.isAssignableFrom(raw)) {
return CollectionLikeType.construct(raw, type.containedTypeOrUnknown(0));
}
return type;
}
/**
* 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;
}
/*
* Enabled aggressive block sorting
*/
@Override
public Collection<NamedType> collectAndResolveSubtypes(AnnotatedMember object, MapperConfig<?> mapperConfig, AnnotationIntrospector annotationIntrospector, JavaType javaType) {
void var4_6;
if (javaType == null) {
Class class_ = object.getRawType();
} else {
Class class_ = javaType.getRawClass();
}
HashMap<NamedType, NamedType> hashMap = new HashMap<NamedType, NamedType>();
if (this._registeredSubtypes != null) {
for (NamedType namedType : this._registeredSubtypes) {
if (!var4_6.isAssignableFrom(namedType.getType())) continue;
this._collectAndResolve(AnnotatedClass.constructWithoutSuperTypes(namedType.getType(), annotationIntrospector, mapperConfig), namedType, mapperConfig, annotationIntrospector, hashMap);
}
}
if ((object = annotationIntrospector.findSubtypes((Annotated)object)) != null) {
object = object.iterator();
while (object.hasNext()) {
NamedType namedType = (NamedType)object.next();
this._collectAndResolve(AnnotatedClass.constructWithoutSuperTypes(namedType.getType(), annotationIntrospector, mapperConfig), namedType, mapperConfig, annotationIntrospector, hashMap);
}
}
object = new NamedType(var4_6, null);
this._collectAndResolve(AnnotatedClass.constructWithoutSuperTypes(var4_6, annotationIntrospector, mapperConfig), (NamedType)object, mapperConfig, annotationIntrospector, hashMap);
return new ArrayList<NamedType>(hashMap.values());
}
@SuppressWarnings("unchecked")
public static JsonSerializer<Object> getStdKeySerializer(JavaType keyType) {
if (keyType == null) {
return DEFAULT_KEY_SERIALIZER;
}
Class<?> cls = keyType.getRawClass();
if (cls == String.class) {
return DEFAULT_STRING_SERIALIZER;
}
if (cls == Object.class || cls.isPrimitive() || Number.class.isAssignableFrom(cls)) {
return DEFAULT_KEY_SERIALIZER;
}
if (Date.class.isAssignableFrom(cls)) {
return (JsonSerializer<Object>) DateKeySerializer.instance;
}
if (Calendar.class.isAssignableFrom(cls)) {
return (JsonSerializer<Object>) CalendarKeySerializer.instance;
}
/* 14-Mar-2014, tatu: Should support @JsonValue, as per #47; but that
* requires extensive introspection, and passing in more information
* to this method.
*/
// If no match, just use default one:
return DEFAULT_KEY_SERIALIZER;
}
public JsonDeserializer<?> findDeserializer(
JavaType type, DeserializationConfig config, BeanDescription beanDesc)
throws JsonMappingException {
final Class<?> rawType = type.getRawClass();
if (_jdk7Helper != null) {
JsonDeserializer<?> deser = _jdk7Helper.getDeserializerForJavaNioFilePath(rawType);
if (deser != null) {
return deser;
}
}
if ((CLASS_DOM_NODE != null) && CLASS_DOM_NODE.isAssignableFrom(rawType)) {
return (JsonDeserializer<?>) instantiate(DESERIALIZER_FOR_DOM_NODE);
}
if ((CLASS_DOM_DOCUMENT != null) && CLASS_DOM_DOCUMENT.isAssignableFrom(rawType)) {
return (JsonDeserializer<?>) instantiate(DESERIALIZER_FOR_DOM_DOCUMENT);
}
String className = rawType.getName();
String factoryName;
if (className.startsWith(PACKAGE_PREFIX_JAVAX_XML)
|| hasSuperClassStartingWith(rawType, PACKAGE_PREFIX_JAVAX_XML)) {
factoryName = DESERIALIZERS_FOR_JAVAX_XML;
} else {
return null;
}
Object ob = instantiate(factoryName);
if (ob == null) { // could warn, if we had logging system (j.u.l?)
return null;
}
return ((Deserializers) ob).findBeanDeserializer(type, config, beanDesc);
}
public JsonSerializer<?> findSerializer(
SerializationConfig config, JavaType type, BeanDescription beanDesc) {
final Class<?> rawType = type.getRawClass();
if (_jdk7Helper != null) {
Class<?> path = _jdk7Helper.getClassJavaNioFilePath();
if (path.isAssignableFrom(rawType)) {
return ToStringSerializer.instance;
}
}
if ((CLASS_DOM_NODE != null) && CLASS_DOM_NODE.isAssignableFrom(rawType)) {
return (JsonSerializer<?>) instantiate(SERIALIZER_FOR_DOM_NODE);
}
String className = rawType.getName();
String factoryName;
if (className.startsWith(PACKAGE_PREFIX_JAVAX_XML)
|| hasSuperClassStartingWith(rawType, PACKAGE_PREFIX_JAVAX_XML)) {
factoryName = SERIALIZERS_FOR_JAVAX_XML;
} else {
return null;
}
Object ob = instantiate(factoryName);
if (ob == null) { // could warn, if we had logging system (j.u.l?)
return null;
}
return ((Serializers) ob).findSerializer(config, type, beanDesc);
}
@Override
public JsonDeserializer<?> createContextual(DeserializationContext ctxt, BeanProperty property)
throws JsonMappingException {
// May need to resolve types for delegate-based creators:
JsonDeserializer<Object> delegate = null;
if (_valueInstantiator != null) {
AnnotatedWithParams delegateCreator = _valueInstantiator.getDelegateCreator();
if (delegateCreator != null) {
JavaType delegateType = _valueInstantiator.getDelegateType(ctxt.getConfig());
delegate = findDeserializer(ctxt, delegateType, property);
}
}
JsonDeserializer<?> valueDeser = _valueDeserializer;
if (valueDeser == null) {
// #125: May have a content converter
valueDeser = findConvertingContentDeserializer(ctxt, property, valueDeser);
if (valueDeser == null) {
// And we may also need to get deserializer for String
valueDeser =
ctxt.findContextualValueDeserializer(_collectionType.getContentType(), property);
}
} else { // if directly assigned, probably not yet contextual, so:
valueDeser = ctxt.handleSecondaryContextualization(valueDeser, property);
}
if (isDefaultDeserializer(valueDeser)) {
valueDeser = null;
}
return withResolved(delegate, valueDeser);
}
public void acceptJsonFormatVisitor(
JsonFormatVisitorWrapper paramJsonFormatVisitorWrapper, JavaType paramJavaType)
throws JsonMappingException {
JsonArrayFormatVisitor localJsonArrayFormatVisitor =
paramJsonFormatVisitorWrapper.expectArrayFormat(paramJavaType);
if (localJsonArrayFormatVisitor != null) {
JavaType localJavaType =
paramJsonFormatVisitorWrapper
.getProvider()
.getTypeFactory()
.moreSpecificType(this._elementType, paramJavaType.getContentType());
if (localJavaType == null) {
throw new JsonMappingException("Could not resolve type");
}
JsonSerializer localJsonSerializer = this._elementSerializer;
paramJavaType = localJsonSerializer;
if (localJsonSerializer == null) {
paramJavaType =
paramJsonFormatVisitorWrapper
.getProvider()
.findValueSerializer(localJavaType, this._property);
}
localJsonArrayFormatVisitor.itemsFormat(paramJavaType, localJavaType);
}
}
/**
* Helper method used for figuring out if given raw type is a collection ("indexed") type; in
* which case a wrapper element is typically added.
*/
public static boolean isIndexedType(JavaType type) {
if (type.isContainerType()) {
Class<?> cls = type.getRawClass();
// One special case; byte[] will be serialized as base64-encoded String, not real array, so:
// (actually, ditto for char[]; thought to be a String)
if (cls == byte[].class || cls == char[].class) {
return false;
}
// issue#5: also, should not add wrapping for Maps
if (Map.class.isAssignableFrom(cls)) {
return false;
}
return true;
}
return false;
}
@Override
public StringBuilder getGenericSignature(StringBuilder sb) {
_classSignature(_class, sb, false);
sb.append('<');
_elementType.getGenericSignature(sb);
sb.append(">;");
return sb;
}
@Override
public CollectionLikeType withStaticTyping() {
if (_asStatic) {
return this;
}
return new CollectionLikeType(
_class, _elementType.withStaticTyping(), _valueHandler, _typeHandler, true);
}
/**
* Method that {@link DeserializerCache}s call to create a new deserializer for types other than
* Collections, Maps, arrays and enums.
*/
@Override
public JsonDeserializer<Object> createBeanDeserializer(
DeserializationContext ctxt, JavaType type, BeanDescription beanDesc)
throws JsonMappingException {
final DeserializationConfig config = ctxt.getConfig();
// We may also have custom overrides:
JsonDeserializer<Object> custom = _findCustomBeanDeserializer(type, config, beanDesc);
if (custom != null) {
return custom;
}
/* One more thing to check: do we have an exception type
* (Throwable or its sub-classes)? If so, need slightly
* different handling.
*/
if (type.isThrowable()) {
return buildThrowableDeserializer(ctxt, type, beanDesc);
}
/* Or, for abstract types, may have alternate means for resolution
* (defaulting, materialization)
*/
if (type.isAbstract()) {
// [JACKSON-41] (v1.6): Let's make it possible to materialize abstract types.
JavaType concreteType = materializeAbstractType(config, beanDesc);
if (concreteType != null) {
/* important: introspect actual implementation (abstract class or
* interface doesn't have constructors, for one)
*/
beanDesc = config.introspect(concreteType);
return buildBeanDeserializer(ctxt, concreteType, beanDesc);
}
}
// Otherwise, may want to check handlers for standard types, from superclass:
JsonDeserializer<Object> deser = findStdDeserializer(config, type);
if (deser != null) {
return deser;
}
// Otherwise: could the class be a Bean class? If not, bail out
if (!isPotentialBeanType(type.getRawClass())) {
return null;
}
// Use generic bean introspection to build deserializer
return buildBeanDeserializer(ctxt, type, beanDesc);
}
@Override
public boolean equals(Object o) {
if (o == this) return true;
if (o == null) return false;
if (o.getClass() != getClass()) return false;
CollectionLikeType other = (CollectionLikeType) o;
return (_class == other._class) && _elementType.equals(other._elementType);
}
@Override
protected void writeInternal(Object object, Type type, HttpOutputMessage outputMessage)
throws IOException, HttpMessageNotWritableException {
JsonEncoding encoding = getJsonEncoding(outputMessage.getHeaders().getContentType());
JsonGenerator generator =
this.objectMapper.getFactory().createGenerator(outputMessage.getBody(), encoding);
try {
writePrefix(generator, object);
Class<?> serializationView = null;
FilterProvider filters = null;
Object value = object;
JavaType javaType = null;
if (object instanceof MappingJacksonValue) {
MappingJacksonValue container = (MappingJacksonValue) object;
value = container.getValue();
serializationView = container.getSerializationView();
filters = container.getFilters();
}
if (type != null && value != null && TypeUtils.isAssignable(type, value.getClass())) {
javaType = getJavaType(type, null);
}
ObjectWriter objectWriter;
if (serializationView != null) {
objectWriter = this.objectMapper.writerWithView(serializationView);
} else if (filters != null) {
objectWriter = this.objectMapper.writer(filters);
} else {
objectWriter = this.objectMapper.writer();
}
if (javaType != null && javaType.isContainerType()) {
objectWriter = objectWriter.forType(javaType);
}
objectWriter.writeValue(generator, value);
writeSuffix(generator, object);
generator.flush();
} catch (JsonProcessingException ex) {
throw new HttpMessageNotWritableException("Could not write content: " + ex.getMessage(), ex);
}
}
@Override
public TypeResolverBuilder<?> findPropertyTypeResolver(
MapperConfig<?> config, AnnotatedMember am, JavaType baseType) {
/* As per definition of @JsonTypeInfo, should only apply to contents of container
* (collection, map) types, not container types themselves:
*/
if (baseType.isContainerType()) return null;
// No per-member type overrides (yet)
return _findTypeResolver(config, am, baseType);
}
@Override
protected String buildCanonicalName() {
StringBuilder sb = new StringBuilder();
sb.append(_class.getName());
if (_elementType != null) {
sb.append('<');
sb.append(_elementType.toCanonical());
sb.append('>');
}
return sb.toString();
}
/** Method called to serialize fields, when the value type is not statically known. */
public void serializeFields(Map<?, ?> value, JsonGenerator jgen, SerializerProvider provider)
throws IOException, JsonGenerationException {
// If value type needs polymorphic type handling, some more work needed:
if (_valueTypeSerializer != null) {
serializeTypedFields(value, jgen, provider);
return;
}
final JsonSerializer<Object> keySerializer = _keySerializer;
final HashSet<String> ignored = _ignoredEntries;
final boolean skipNulls = !provider.isEnabled(SerializationFeature.WRITE_NULL_MAP_VALUES);
PropertySerializerMap serializers = _dynamicValueSerializers;
for (Map.Entry<?, ?> entry : value.entrySet()) {
Object valueElem = entry.getValue();
// First, serialize key
Object keyElem = entry.getKey();
if (keyElem == null) {
provider.findNullKeySerializer(_keyType, _property).serialize(null, jgen, provider);
} else {
// [JACKSON-314] skip entries with null values?
if (skipNulls && valueElem == null) continue;
// One twist: is entry ignorable? If so, skip
if (ignored != null && ignored.contains(keyElem)) continue;
keySerializer.serialize(keyElem, jgen, provider);
}
// And then value
if (valueElem == null) {
provider.defaultSerializeNull(jgen);
} else {
Class<?> cc = valueElem.getClass();
JsonSerializer<Object> serializer = serializers.serializerFor(cc);
if (serializer == null) {
if (_valueType.hasGenericTypes()) {
serializer =
_findAndAddDynamic(
serializers, provider.constructSpecializedType(_valueType, cc), provider);
} else {
serializer = _findAndAddDynamic(serializers, cc, provider);
}
serializers = _dynamicValueSerializers;
}
try {
serializer.serialize(valueElem, jgen, provider);
} catch (Exception e) {
// [JACKSON-55] Need to add reference information
String keyDesc = "" + keyElem;
wrapAndThrow(provider, e, value, keyDesc);
}
}
}
}
@Override
public KeyDeserializer findKeyDeserializer(
JavaType type, DeserializationConfig config, BeanDescription beanDesc)
throws JsonMappingException {
final Class<?> candidateTT = type.getRawClass();
if (MetaTinyTypes.isTinyType(candidateTT)) {
return new TinyTypesKeyDeserializer(candidateTT);
}
return null;
}
protected JsonDeserializer<Object> _handleUnknownValueDeserializer(JavaType type)
throws JsonMappingException {
/* Let's try to figure out the reason, to give better error
* messages
*/
Class<?> rawClass = type.getRawClass();
if (!ClassUtil.isConcrete(rawClass)) {
throw new JsonMappingException("Can not find a Value deserializer for abstract type " + type);
}
throw new JsonMappingException("Can not find a Value deserializer for type " + type);
}
/**
* Method that does the heavy lifting of checking for per-type annotations, find out full type,
* and figure out which actual factory method to call.
*/
@SuppressWarnings("unchecked")
protected JsonDeserializer<Object> _createDeserializer(
DeserializationContext ctxt, DeserializerFactory factory, JavaType type)
throws JsonMappingException {
final DeserializationConfig config = ctxt.getConfig();
// First things first: do we need to use abstract type mapping?
if (type.isAbstract() || type.isMapLikeType() || type.isCollectionLikeType()) {
type = factory.mapAbstractType(config, type);
}
BeanDescription beanDesc = config.introspect(type);
// Then: does type define explicit deserializer to use, with annotation(s)?
JsonDeserializer<Object> deser = findDeserializerFromAnnotation(ctxt, beanDesc.getClassInfo());
if (deser != null) {
return deser;
}
// If not, may have further type-modification annotations to check:
JavaType newType = modifyTypeByAnnotation(ctxt, beanDesc.getClassInfo(), type);
if (newType != type) {
type = newType;
beanDesc = config.introspect(newType);
}
// We may also have a Builder type to consider...
Class<?> builder = beanDesc.findPOJOBuilder();
if (builder != null) {
return (JsonDeserializer<Object>)
factory.createBuilderBasedDeserializer(ctxt, type, beanDesc, builder);
}
// Or perhaps a Converter?
Converter<Object, Object> conv = beanDesc.findDeserializationConverter();
if (conv == null) { // nope, just construct in normal way
return (JsonDeserializer<Object>) _createDeserializer2(ctxt, factory, type, beanDesc);
}
// otherwise need to do bit of introspection
JavaType delegateType = conv.getInputType(ctxt.getTypeFactory());
return new StdDelegatingDeserializer<Object>(
conv, delegateType, _createDeserializer2(ctxt, factory, delegateType, beanDesc));
}
public EnumMapDeserializer(
JavaType mapType,
KeyDeserializer keyDeserializer,
JsonDeserializer<?> valueDeser,
TypeDeserializer valueTypeDeser) {
super(mapType);
_mapType = mapType;
_enumClass = mapType.getKeyType().getRawClass();
_keyDeserializer = keyDeserializer;
_valueDeserializer = (JsonDeserializer<Object>) valueDeser;
_valueTypeDeserializer = valueTypeDeser;
}