下面列出了怎么用com.fasterxml.jackson.databind.jsontype.TypeResolverBuilder的API类实例代码及写法,或者点击链接到github查看源代码。
/**
* Method called to create a type information serializer for values of given
* non-container property
* if one is needed. If not needed (no polymorphic handling configured), should
* return null.
*
* @param baseType Declared type to use as the base type for type information serializer
*
* @return Type serializer to use for property values, if one is needed; null if not.
*/
public TypeSerializer findPropertyTypeSerializer(JavaType baseType,
SerializationConfig config, AnnotatedMember accessor)
throws JsonMappingException
{
AnnotationIntrospector ai = config.getAnnotationIntrospector();
TypeResolverBuilder<?> b = ai.findPropertyTypeResolver(config, accessor, baseType);
TypeSerializer typeSer;
// Defaulting: if no annotations on member, check value class
if (b == null) {
typeSer = createTypeSerializer(config, baseType);
} else {
Collection<NamedType> subtypes = config.getSubtypeResolver().collectAndResolveSubtypesByClass(
config, accessor, baseType);
typeSer = b.buildTypeSerializer(config, baseType, subtypes);
}
return typeSer;
}
/**
* Method called to create a type information serializer for values of given
* container property
* if one is needed. If not needed (no polymorphic handling configured), should
* return null.
*
* @param containerType Declared type of the container to use as the base type for type information serializer
*
* @return Type serializer to use for property value contents, if one is needed; null if not.
*/
public TypeSerializer findPropertyContentTypeSerializer(JavaType containerType,
SerializationConfig config, AnnotatedMember accessor)
throws JsonMappingException
{
JavaType contentType = containerType.getContentType();
AnnotationIntrospector ai = config.getAnnotationIntrospector();
TypeResolverBuilder<?> b = ai.findPropertyContentTypeResolver(config, accessor, containerType);
TypeSerializer typeSer;
// Defaulting: if no annotations on member, check value class
if (b == null) {
typeSer = createTypeSerializer(config, contentType);
} else {
Collection<NamedType> subtypes = config.getSubtypeResolver().collectAndResolveSubtypesByClass(config,
accessor, contentType);
typeSer = b.buildTypeSerializer(config, contentType, subtypes);
}
return typeSer;
}
public BaseSettings(ClassIntrospector ci, AnnotationIntrospector ai,
PropertyNamingStrategy pns, TypeFactory tf,
TypeResolverBuilder<?> typer, DateFormat dateFormat, HandlerInstantiator hi,
Locale locale, TimeZone tz, Base64Variant defaultBase64)
{
_classIntrospector = ci;
_annotationIntrospector = ai;
_propertyNamingStrategy = pns;
_typeFactory = tf;
_typeResolverBuilder = typer;
_dateFormat = dateFormat;
_handlerInstantiator = hi;
_locale = locale;
_timeZone = tz;
_defaultBase64 = defaultBase64;
}
/**
* Method called to create a type information serializer for values of given
* non-container property
* if one is needed. If not needed (no polymorphic handling configured), should
* return null.
*
* @param baseType Declared type to use as the base type for type information serializer
*
* @return Type serializer to use for property values, if one is needed; null if not.
*/
public TypeSerializer findPropertyTypeSerializer(JavaType baseType,
SerializationConfig config, AnnotatedMember accessor)
throws JsonMappingException
{
AnnotationIntrospector ai = config.getAnnotationIntrospector();
TypeResolverBuilder<?> b = ai.findPropertyTypeResolver(config, accessor, baseType);
TypeSerializer typeSer;
// Defaulting: if no annotations on member, check value class
if (b == null) {
typeSer = createTypeSerializer(config, baseType);
} else {
Collection<NamedType> subtypes = config.getSubtypeResolver().collectAndResolveSubtypesByClass(
config, accessor, baseType);
typeSer = b.buildTypeSerializer(config, baseType, subtypes);
}
return typeSer;
}
/**
* Method called to create a type information serializer for values of given
* container property
* if one is needed. If not needed (no polymorphic handling configured), should
* return null.
*
* @param containerType Declared type of the container to use as the base type for type information serializer
*
* @return Type serializer to use for property value contents, if one is needed; null if not.
*/
public TypeSerializer findPropertyContentTypeSerializer(JavaType containerType,
SerializationConfig config, AnnotatedMember accessor)
throws JsonMappingException
{
JavaType contentType = containerType.getContentType();
AnnotationIntrospector ai = config.getAnnotationIntrospector();
TypeResolverBuilder<?> b = ai.findPropertyContentTypeResolver(config, accessor, containerType);
TypeSerializer typeSer;
// Defaulting: if no annotations on member, check value class
if (b == null) {
typeSer = createTypeSerializer(config, contentType);
} else {
Collection<NamedType> subtypes = config.getSubtypeResolver().collectAndResolveSubtypesByClass(config,
accessor, contentType);
typeSer = b.buildTypeSerializer(config, contentType, subtypes);
}
return typeSer;
}
/**
* Method called to construct a type serializer for values with given declared
* base type. This is called for values other than those of bean property
* types.
*/
@Override
public TypeSerializer createTypeSerializer(SerializationConfig config,
JavaType baseType)
{
BeanDescription bean = config.introspectClassAnnotations(baseType.getRawClass());
AnnotatedClass ac = bean.getClassInfo();
AnnotationIntrospector ai = config.getAnnotationIntrospector();
TypeResolverBuilder<?> b = ai.findTypeResolver(config, ac, baseType);
/* Ok: if there is no explicit type info handler, we may want to
* use a default. If so, config object knows what to use.
*/
Collection<NamedType> subtypes = null;
if (b == null) {
b = config.getDefaultTyper(baseType);
} else {
subtypes = config.getSubtypeResolver().collectAndResolveSubtypesByClass(config, ac);
}
if (b == null) {
return null;
}
// 10-Jun-2015, tatu: Since not created for Bean Property, no need for post-processing
// wrt EXTERNAL_PROPERTY
return b.buildTypeSerializer(config, baseType, subtypes);
}
/**
* Method called to create a type information deserializer for values of
* given non-container property, if one is needed.
* If not needed (no polymorphic handling configured for property), should return null.
*<p>
* Note that this method is only called for non-container bean properties,
* and not for values in container types or root values (or container properties)
*
* @param baseType Declared base type of the value to deserializer (actual
* deserializer type will be this type or its subtype)
*
* @return Type deserializer to use for given base type, if one is needed; null if not.
*/
public TypeDeserializer findPropertyTypeDeserializer(DeserializationConfig config,
JavaType baseType, AnnotatedMember annotated)
throws JsonMappingException
{
AnnotationIntrospector ai = config.getAnnotationIntrospector();
TypeResolverBuilder<?> b = ai.findPropertyTypeResolver(config, annotated, baseType);
// Defaulting: if no annotations on member, check value class
if (b == null) {
return findTypeDeserializer(config, baseType);
}
// but if annotations found, may need to resolve subtypes:
Collection<NamedType> subtypes = config.getSubtypeResolver().collectAndResolveSubtypesByTypeId(
config, annotated, baseType);
return b.buildTypeDeserializer(config, baseType, subtypes);
}
/**
* Method called to find and create a type information deserializer for values of
* given container (list, array, map) property, if one is needed.
* If not needed (no polymorphic handling configured for property), should return null.
*<p>
* Note that this method is only called for container bean properties,
* and not for values in container types or root values (or non-container properties)
*
* @param containerType Type of property; must be a container type
* @param propertyEntity Field or method that contains container property
*/
public TypeDeserializer findPropertyContentTypeDeserializer(DeserializationConfig config,
JavaType containerType, AnnotatedMember propertyEntity)
throws JsonMappingException
{
AnnotationIntrospector ai = config.getAnnotationIntrospector();
TypeResolverBuilder<?> b = ai.findPropertyContentTypeResolver(config, propertyEntity, containerType);
JavaType contentType = containerType.getContentType();
// Defaulting: if no annotations on member, check class
if (b == null) {
return findTypeDeserializer(config, contentType);
}
// but if annotations found, may need to resolve subtypes:
Collection<NamedType> subtypes = config.getSubtypeResolver().collectAndResolveSubtypesByTypeId(
config, propertyEntity, contentType);
return b.buildTypeDeserializer(config, contentType, subtypes);
}
/**
* Configure an existing object mapper to work with Archie RM and AOM Objects.
* Indentation is enabled. Feel free to disable again in your own code.
* @param objectMapper
*/
public static void configureObjectMapper(ObjectMapper objectMapper) {
objectMapper.enable(SerializationFeature.INDENT_OUTPUT);
objectMapper.enable(SerializationFeature.FLUSH_AFTER_WRITE_VALUE);
objectMapper.disable(SerializationFeature.WRITE_NULL_MAP_VALUES);
objectMapper.enableDefaultTyping(ObjectMapper.DefaultTyping.NON_FINAL);
objectMapper.disable(SerializationFeature.WRITE_DATES_AS_TIMESTAMPS);
objectMapper.setSerializationInclusion(JsonInclude.Include.NON_NULL);
objectMapper.setPropertyNamingStrategy(PropertyNamingStrategy.SNAKE_CASE);
objectMapper.enable(DeserializationFeature.ACCEPT_SINGLE_VALUE_AS_ARRAY);
objectMapper.enable(DeserializationFeature.UNWRAP_SINGLE_VALUE_ARRAYS);
objectMapper.disable(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES);
//objectMapper.
objectMapper.registerModule(new JavaTimeModule());
TypeResolverBuilder typeResolverBuilder = new ArchieTypeResolverBuilder()
.init(JsonTypeInfo.Id.NAME, new OpenEHRTypeNaming())
.typeProperty("@type")
.typeIdVisibility(true)
.inclusion(JsonTypeInfo.As.PROPERTY);
objectMapper.setDefaultTyping(typeResolverBuilder);
}
private ObjectMapper getObjectMapper() {
objectMapper = new ObjectMapper();
objectMapper.configure(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES, false);
objectMapper.configure(SerializationFeature.WRAP_ROOT_VALUE, false);
// objectMapper.configure(SerializationFeature.ORDER_MAP_ENTRIES_BY_KEYS,
// true);
objectMapper.configure(SerializationFeature.WRITE_NULL_MAP_VALUES, true);
objectMapper.configure(SerializationFeature.FAIL_ON_EMPTY_BEANS, false);
objectMapper.configure(MapperFeature.SORT_PROPERTIES_ALPHABETICALLY, true);
objectMapper.enableDefaultTypingAsProperty(DefaultTyping.JAVA_LANG_OBJECT, "_typeName");
TypeResolverBuilder<?> joynrTypeResolverBuilder = objectMapper.getSerializationConfig()
.getDefaultTyper(SimpleType.construct(Object.class));
SimpleModule module = new SimpleModule("NonTypedModule", new Version(1, 0, 0, "", "", ""));
module.addSerializer(new JoynrEnumSerializer());
module.addSerializer(new JoynrListSerializer());
TypeDeserializer typeDeserializer = joynrTypeResolverBuilder.buildTypeDeserializer(objectMapper.getDeserializationConfig(),
SimpleType.construct(Object.class),
null);
module.addDeserializer(Object.class, new JoynrUntypedObjectDeserializer(typeDeserializer));
objectMapper.registerModule(module);
return objectMapper;
}
private ObjectMapper getObjectMapper() {
objectMapper = new ObjectMapper();
objectMapper.configure(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES, false);
objectMapper.configure(SerializationFeature.WRAP_ROOT_VALUE, false);
// objectMapper.configure(SerializationFeature.ORDER_MAP_ENTRIES_BY_KEYS,
// true);
objectMapper.configure(SerializationFeature.WRITE_NULL_MAP_VALUES, true);
objectMapper.configure(SerializationFeature.FAIL_ON_EMPTY_BEANS, false);
objectMapper.configure(MapperFeature.SORT_PROPERTIES_ALPHABETICALLY, true);
objectMapper.enableDefaultTypingAsProperty(DefaultTyping.JAVA_LANG_OBJECT, "_typeName");
TypeResolverBuilder<?> joynrTypeResolverBuilder = objectMapper.getSerializationConfig()
.getDefaultTyper(SimpleType.construct(Object.class));
return objectMapper;
}
public BaseSettings withTypeResolverBuilder(TypeResolverBuilder<?> typer) {
if (_typeResolverBuilder == typer) {
return this;
}
return new BaseSettings(_classIntrospector, _annotationIntrospector, _propertyNamingStrategy, _typeFactory,
typer, _dateFormat, _handlerInstantiator, _locale,
_timeZone, _defaultBase64);
}
/**
* Method that can be called to obtain an instance of <code>TypeIdResolver</code> of
* specified type.
*/
public TypeResolverBuilder<?> typeResolverBuilderInstance(Annotated annotated,
Class<? extends TypeResolverBuilder<?>> builderClass)
{
HandlerInstantiator hi = getHandlerInstantiator();
if (hi != null) {
TypeResolverBuilder<?> builder = hi.typeResolverBuilderInstance(this, annotated, builderClass);
if (builder != null) {
return builder;
}
}
return (TypeResolverBuilder<?>) ClassUtil.createInstance(builderClass, canOverrideAccessModifiers());
}
@Override
public TypeResolverBuilder<?> findTypeResolver(MapperConfig<?> config,
AnnotatedClass ac, JavaType baseType)
{
TypeResolverBuilder<?> b = _primary.findTypeResolver(config, ac, baseType);
if (b == null) {
b = _secondary.findTypeResolver(config, ac, baseType);
}
return b;
}
@Override
public TypeResolverBuilder<?> findPropertyTypeResolver(MapperConfig<?> config,
AnnotatedMember am, JavaType baseType)
{
TypeResolverBuilder<?> b = _primary.findPropertyTypeResolver(config, am, baseType);
if (b == null) {
b = _secondary.findPropertyTypeResolver(config, am, baseType);
}
return b;
}
@Override
public TypeResolverBuilder<?> findPropertyContentTypeResolver(MapperConfig<?> config,
AnnotatedMember am, JavaType baseType)
{
TypeResolverBuilder<?> b = _primary.findPropertyContentTypeResolver(config, am, baseType);
if (b == null) {
b = _secondary.findPropertyContentTypeResolver(config, am, baseType);
}
return b;
}
@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:
*/
// 17-Apr-2016, tatu: For 2.7.4 make sure ReferenceType also included
if (baseType.isContainerType() || baseType.isReferenceType()) {
return null;
}
// No per-member type overrides (yet)
return _findTypeResolver(config, am, baseType);
}
@Override
public TypeResolverBuilder<?> findPropertyContentTypeResolver(MapperConfig<?> config,
AnnotatedMember am, JavaType containerType)
{
/* First: let's ensure property is a container type: caller should have
* verified but just to be sure
*/
if (containerType.getContentType() == null) {
throw new IllegalArgumentException("Must call method with a container or reference type (got "+containerType+")");
}
return _findTypeResolver(config, am, containerType);
}
@Override
public TypeDeserializer findTypeDeserializer(DeserializationConfig config,
JavaType baseType)
throws JsonMappingException
{
BeanDescription bean = config.introspectClassAnnotations(baseType.getRawClass());
AnnotatedClass ac = bean.getClassInfo();
AnnotationIntrospector ai = config.getAnnotationIntrospector();
TypeResolverBuilder<?> b = ai.findTypeResolver(config, ac, baseType);
/* Ok: if there is no explicit type info handler, we may want to
* use a default. If so, config object knows what to use.
*/
Collection<NamedType> subtypes = null;
if (b == null) {
b = config.getDefaultTyper(baseType);
if (b == null) {
return null;
}
} else {
subtypes = config.getSubtypeResolver().collectAndResolveSubtypesByTypeId(config, ac);
}
// May need to figure out default implementation, if none found yet
// (note: check for abstract type is not 100% mandatory, more of an optimization)
if ((b.getDefaultImpl() == null) && baseType.isAbstract()) {
JavaType defaultType = mapAbstractType(config, baseType);
if ((defaultType != null) && !defaultType.hasRawClass(baseType.getRawClass())) {
b = b.defaultImpl(defaultType.getRawClass());
}
}
return b.buildTypeDeserializer(config, baseType, subtypes);
}
@Test
public void typeResolverBuilderInstanceReturnsNull() {
// given
VirtualProperty[] customProperties = new VirtualProperty[0];
Log4j2Lookup valueResolver = new Log4j2Lookup(null);
JacksonHandlerInstantiator handlerInstantiator = createTestHandlerInstantiator(customProperties, valueResolver);
// when
TypeResolverBuilder<?> result = handlerInstantiator.typeResolverBuilderInstance(null, null, null);
// then
Assert.assertNull(result);
}
protected void initTypeInclusion(ObjectMapper mapObjectMapper) {
TypeResolverBuilder<?> mapTyper = new DefaultTypeResolverBuilder(DefaultTyping.NON_FINAL) {
public boolean useForType(JavaType t) {
switch (_appliesFor) {
case NON_CONCRETE_AND_ARRAYS:
while (t.isArrayType()) {
t = t.getContentType();
}
// fall through
case OBJECT_AND_NON_CONCRETE:
return (t.getRawClass() == Object.class) || !t.isConcrete();
case NON_FINAL:
while (t.isArrayType()) {
t = t.getContentType();
}
// to fix problem with wrong long to int conversion
if (t.getRawClass() == Long.class) {
return true;
}
if (t.getRawClass() == XMLGregorianCalendar.class) {
return false;
}
return !t.isFinal(); // includes Object.class
default:
// case JAVA_LANG_OBJECT:
return t.getRawClass() == Object.class;
}
}
};
mapTyper.init(JsonTypeInfo.Id.CLASS, null);
mapTyper.inclusion(JsonTypeInfo.As.PROPERTY);
mapObjectMapper.setDefaultTyping(mapTyper);
}
public JsonMessageSerializerModule() {
objectMapper = new ObjectMapper();
objectMapper.configure(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES, false);
objectMapper.configure(SerializationFeature.WRAP_ROOT_VALUE, false);
objectMapper.configure(DeserializationFeature.USE_JAVA_ARRAY_FOR_JSON_ARRAY, true);
// objectMapper.configure(SerializationFeature.ORDER_MAP_ENTRIES_BY_KEYS, true);
objectMapper.configure(SerializationFeature.WRITE_NULL_MAP_VALUES, true);
objectMapper.configure(SerializationFeature.FAIL_ON_EMPTY_BEANS, false);
objectMapper.configure(MapperFeature.SORT_PROPERTIES_ALPHABETICALLY, true);
objectMapper.enableDefaultTypingAsProperty(DefaultTyping.JAVA_LANG_OBJECT, "_typeName");
TypeResolverBuilder<?> joynrTypeResolverBuilder = objectMapper.getSerializationConfig()
.getDefaultTyper(SimpleType.construct(Object.class));
SimpleModule module = new SimpleModule("NonTypedModule", new Version(1, 0, 0, "", "", ""));
module.addSerializer(new JoynrEnumSerializer());
module.addSerializer(new JoynrListSerializer());
module.addSerializer(new JoynrArraySerializer());
TypeDeserializer typeDeserializer = joynrTypeResolverBuilder.buildTypeDeserializer(objectMapper.getDeserializationConfig(),
SimpleType.construct(Object.class),
null);
module.addDeserializer(Request.class, new RequestDeserializer(objectMapper));
module.addDeserializer(OneWayRequest.class, new OneWayRequestDeserializer(objectMapper));
module.addDeserializer(Object.class, new JoynrUntypedObjectDeserializer(typeDeserializer));
module.setMixInAnnotation(Throwable.class, ThrowableMixIn.class);
objectMapper.registerModule(module);
}
@Override
public TypeResolverBuilder<?> typeResolverBuilderInstance(MapperConfig<?> config,
Annotated annotated, Class<?> implClass) {
return (TypeResolverBuilder<?>) this.beanFactory.createBean(implClass);
}
/**
* Specify a {@link TypeResolverBuilder} to use for Jackson's default typing.
* @since 4.2.2
*/
public Jackson2ObjectMapperBuilder defaultTyping(TypeResolverBuilder<?> typeResolverBuilder) {
this.defaultTyping = typeResolverBuilder;
return this;
}
@Override
public TypeResolverBuilder<?> typeResolverBuilderInstance(MapperConfig<?> config,
Annotated annotated, Class<?> implClass) {
return (TypeResolverBuilder<?>) this.beanFactory.createBean(implClass);
}
/**
* Specify a {@link TypeResolverBuilder} to use for Jackson's default typing.
* @since 4.2.2
*/
public Jackson2ObjectMapperBuilder defaultTyping(TypeResolverBuilder<?> typeResolverBuilder) {
this.defaultTyping = typeResolverBuilder;
return this;
}
@Override
public TypeResolverBuilder<?> typeResolverBuilderInstance(MapperConfig<?> config, Annotated annotated, Class<?> implClass) {
return (TypeResolverBuilder<?>) this.beanFactory.createBean(implClass);
}
/**
* Specify a {@link TypeResolverBuilder} to use for Jackson's default typing.
* @since 4.2.2
*/
public Jackson2ObjectMapperBuilder defaultTyping(TypeResolverBuilder<?> typeResolverBuilder) {
this.defaultTyping = typeResolverBuilder;
return this;
}
public TypeResolverBuilder<?> getTypeResolverBuilder() {
return _typeResolverBuilder;
}
@Override
public TypeResolverBuilder<?> findTypeResolver(MapperConfig<?> config,
AnnotatedClass ac, JavaType baseType)
{
return _findTypeResolver(config, ac, baseType);
}