Uses of Class
com.fasterxml.jackson.databind.ObjectMapper

Packages that use ObjectMapper

Package	Description
com.fasterxml.jackson.databind	Basic data binding (mapping) functionality that allows for reading JSON content into Java Objects (POJOs) and JSON Trees (JsonNode), as well as writing Java Objects and trees as JSON.
com.fasterxml.jackson.databind.cfg	Package that contains most of configuration-related classes; exception being couple of most-commonly used configuration things (like Feature enumerations) that are at the main level (com.fasterxml.jackson.databind).
com.fasterxml.jackson.databind.json

Uses of ObjectMapper in com.fasterxml.jackson.databind

Methods in com.fasterxml.jackson.databind that return ObjectMapper

Modifier and Type	Method and Description
ObjectMapper	ObjectMapper.activateDefaultTyping(PolymorphicTypeValidator ptv) Convenience method that is equivalent to calling activateDefaultTyping(ptv, DefaultTyping.OBJECT_AND_NON_CONCRETE); NOTE: choice of PolymorphicTypeValidator to pass is critical for security as allowing all subtypes can be risky for untrusted content.
ObjectMapper	ObjectMapper.activateDefaultTyping(PolymorphicTypeValidator ptv, ObjectMapper.DefaultTyping applicability) Convenience method that is equivalent to calling activateDefaultTyping(ptv, dti, JsonTypeInfo.As.WRAPPER_ARRAY); NOTE: choice of PolymorphicTypeValidator to pass is critical for security as allowing all subtypes can be risky for untrusted content.
ObjectMapper	ObjectMapper.activateDefaultTyping(PolymorphicTypeValidator ptv, ObjectMapper.DefaultTyping applicability, com.fasterxml.jackson.annotation.JsonTypeInfo.As includeAs) Method for enabling automatic inclusion of type information ("Default Typing"), needed for proper deserialization of polymorphic types (unless types have been annotated with JsonTypeInfo).
ObjectMapper	ObjectMapper.activateDefaultTypingAsProperty(PolymorphicTypeValidator ptv, ObjectMapper.DefaultTyping applicability, String propertyName) Method for enabling automatic inclusion of type information ("Default Typing") -- needed for proper deserialization of polymorphic types (unless types have been annotated with JsonTypeInfo) -- using "As.PROPERTY" inclusion mechanism and specified property name to use for inclusion (default being "@class" since default type information always uses class name as type identifier) NOTE: choice of PolymorphicTypeValidator to pass is critical for security as allowing all subtypes can be risky for untrusted content.
ObjectMapper	ObjectMapper.addHandler(DeserializationProblemHandler h) Method for adding specified DeserializationProblemHandler to be used for handling specific problems during deserialization.
ObjectMapper	ObjectMapper.addMixIn(Class<?> target, Class<?> mixinSource) Method to use for adding mix-in annotations to use for augmenting specified class or interface.
ObjectMapper	ObjectMapper.clearProblemHandlers() Method for removing all registered DeserializationProblemHandlers instances from this mapper.
ObjectMapper	ObjectMapper.configure(DatatypeFeature f, boolean state) Method for changing state of an on/off datatype-specific feature for this object mapper.
ObjectMapper	ObjectMapper.configure(DeserializationFeature f, boolean state) Method for changing state of an on/off deserialization feature for this object mapper.
ObjectMapper	ObjectMapper.configure(JsonGenerator.Feature f, boolean state) Method for changing state of an on/off JsonGenerator feature for generator instances this object mapper creates.
ObjectMapper	ObjectMapper.configure(JsonParser.Feature f, boolean state) Method for changing state of specified JsonParser.Features for parser instances this object mapper creates.
ObjectMapper	ObjectMapper.configure(MapperFeature f, boolean state) Deprecated. Since 2.13 use JsonMapper.builder().configure(...)
ObjectMapper	ObjectMapper.configure(SerializationFeature f, boolean state) Method for changing state of an on/off serialization feature for this object mapper.
ObjectMapper	ObjectMapper.copy() Method for creating a new ObjectMapper instance that has same initial configuration as this instance.
ObjectMapper	ObjectMapper.copyWith(JsonFactory factory) Method for creating a new ObjectMapper.
ObjectMapper	ObjectMapper.deactivateDefaultTyping() Method for disabling automatic inclusion of type information; if so, only explicitly annotated types (ones with JsonTypeInfo) will have additional embedded type information.
ObjectMapper	ObjectMapper.disable(DeserializationFeature feature) Method for disabling specified DeserializationConfig features.
ObjectMapper	ObjectMapper.disable(DeserializationFeature first, DeserializationFeature... f) Method for disabling specified DeserializationConfig features.
ObjectMapper	ObjectMapper.disable(JsonGenerator.Feature... features) Method for disabling specified JsonGenerator.Features for parser instances this object mapper creates.
ObjectMapper	ObjectMapper.disable(JsonParser.Feature... features) Method for disabling specified JsonParser.Features for parser instances this object mapper creates.
ObjectMapper	ObjectMapper.disable(MapperFeature... f) Deprecated. Since 2.13 use JsonMapper.builder().disable(...)
ObjectMapper	ObjectMapper.disable(SerializationFeature f) Method for disabling specified DeserializationConfig features.
ObjectMapper	ObjectMapper.disable(SerializationFeature first, SerializationFeature... f) Method for disabling specified DeserializationConfig features.
ObjectMapper	ObjectMapper.disableDefaultTyping() Deprecated. Since 2.10 use deactivateDefaultTyping() instead
ObjectMapper	ObjectMapper.enable(DeserializationFeature feature) Method for enabling specified DeserializationConfig features.
ObjectMapper	ObjectMapper.enable(DeserializationFeature first, DeserializationFeature... f) Method for enabling specified DeserializationConfig features.
ObjectMapper	ObjectMapper.enable(JsonGenerator.Feature... features) Method for enabling specified JsonGenerator.Features for parser instances this object mapper creates.
ObjectMapper	ObjectMapper.enable(JsonParser.Feature... features) Method for enabling specified JsonParser.Features for parser instances this object mapper creates.
ObjectMapper	ObjectMapper.enable(MapperFeature... f) Deprecated. Since 2.13 use JsonMapper.builder().enable(...)
ObjectMapper	ObjectMapper.enable(SerializationFeature f) Method for enabling specified DeserializationConfig feature.
ObjectMapper	ObjectMapper.enable(SerializationFeature first, SerializationFeature... f) Method for enabling specified DeserializationConfig features.
ObjectMapper	ObjectMapper.enableDefaultTyping() Deprecated. Since 2.10 use activateDefaultTyping(PolymorphicTypeValidator) instead
ObjectMapper	ObjectMapper.enableDefaultTyping(ObjectMapper.DefaultTyping dti) Deprecated. Since 2.10 use activateDefaultTyping(PolymorphicTypeValidator,DefaultTyping) instead
ObjectMapper	ObjectMapper.enableDefaultTyping(ObjectMapper.DefaultTyping applicability, com.fasterxml.jackson.annotation.JsonTypeInfo.As includeAs) Deprecated. Since 2.10 use activateDefaultTyping(PolymorphicTypeValidator,DefaultTyping,JsonTypeInfo.As) instead
ObjectMapper	ObjectMapper.enableDefaultTypingAsProperty(ObjectMapper.DefaultTyping applicability, String propertyName) Deprecated. Since 2.10 use activateDefaultTypingAsProperty(PolymorphicTypeValidator,DefaultTyping,String) instead
ObjectMapper	ObjectMapper.findAndRegisterModules() Convenience method that is functionally equivalent to: mapper.registerModules(mapper.findModules()); As with findModules(), no caching is done for modules, so care needs to be taken to either create and share a single mapper instance; or to cache introspected set of modules.
ObjectMapper	MappingJsonFactory.getCodec() We'll override the method to return more specific type; co-variance helps here
ObjectMapper	ObjectMapper.registerModule(Module module) Method for registering a module that can extend functionality provided by this mapper; for example, by adding providers for custom serializers and deserializers.
ObjectMapper	ObjectMapper.registerModules(Iterable<? extends Module> modules) Convenience method for registering specified modules in order; functionally equivalent to: for (Module module : modules) { registerModule(module); }
ObjectMapper	ObjectMapper.registerModules(Module... modules) Convenience method for registering specified modules in order; functionally equivalent to: for (Module module : modules) { registerModule(module); }
ObjectMapper	ObjectMapper.setAccessorNaming(AccessorNamingStrategy.Provider s) Method for setting custom accessor naming strategy to use.
ObjectMapper	ObjectMapper.setAnnotationIntrospector(AnnotationIntrospector ai) Method for setting AnnotationIntrospector used by this mapper instance for both serialization and deserialization.
ObjectMapper	ObjectMapper.setAnnotationIntrospectors(AnnotationIntrospector serializerAI, AnnotationIntrospector deserializerAI) Method for changing AnnotationIntrospector instances used by this mapper instance for serialization and deserialization, specifying them separately so that different introspection can be used for different aspects
ObjectMapper	ObjectMapper.setBase64Variant(Base64Variant v) Method that will configure default Base64Variant that byte[] serializers and deserializers will use.
ObjectMapper	ObjectMapper.setCacheProvider(CacheProvider cacheProvider) Method for specifying CacheProvider instance, to provide Cache instances to be used in components downstream.
ObjectMapper	ObjectMapper.setConfig(DeserializationConfig config) Method that allows overriding of the underlying DeserializationConfig object.
ObjectMapper	ObjectMapper.setConfig(SerializationConfig config) Method that allows overriding of the underlying SerializationConfig object, which contains serialization-specific configuration settings.
ObjectMapper	ObjectMapper.setConstructorDetector(ConstructorDetector cd) Method for specifying ConstructorDetector to use for determining some aspects of creator auto-detection (specifically auto-detection of constructor, and in particular behavior with single-argument constructors).
ObjectMapper	ObjectMapper.setDateFormat(DateFormat dateFormat) Method for configuring the default DateFormat to use when serializing time values as Strings, and deserializing from JSON Strings.
ObjectMapper	ObjectMapper.setDefaultAttributes(ContextAttributes attrs) NOTE: preferred way to set the defaults is to use Builder style construction, see JsonMapper.builder() (and MapperBuilder.defaultAttributes(com.fasterxml.jackson.databind.cfg.ContextAttributes)).
ObjectMapper	ObjectMapper.setDefaultLeniency(Boolean b)
ObjectMapper	ObjectMapper.setDefaultMergeable(Boolean b) Method for setting default Setter configuration, regarding things like merging, null-handling; used for properties for which there are no per-type or per-property overrides (via annotations or config overrides).
ObjectMapper	ObjectMapper.setDefaultPrettyPrinter(PrettyPrinter pp) Method for specifying PrettyPrinter to use when "default pretty-printing" is enabled (by enabling SerializationFeature.INDENT_OUTPUT)
ObjectMapper	ObjectMapper.setDefaultPropertyInclusion(com.fasterxml.jackson.annotation.JsonInclude.Include incl) Short-cut for: setDefaultPropertyInclusion(JsonInclude.Value.construct(incl, incl));
ObjectMapper	ObjectMapper.setDefaultPropertyInclusion(com.fasterxml.jackson.annotation.JsonInclude.Value incl) Method for setting default POJO property inclusion strategy for serialization, applied for all properties for which there are no per-type or per-property overrides (via annotations or config overrides).
ObjectMapper	ObjectMapper.setDefaultSetterInfo(com.fasterxml.jackson.annotation.JsonSetter.Value v) Method for setting default Setter configuration, regarding things like merging, null-handling; used for properties for which there are no per-type or per-property overrides (via annotations or config overrides).
ObjectMapper	ObjectMapper.setDefaultTyping(TypeResolverBuilder<?> typer) Method for enabling automatic inclusion of type information ("Default Typing"), using specified handler object for determining which types this affects, as well as details of how information is embedded.
ObjectMapper	ObjectMapper.setDefaultVisibility(com.fasterxml.jackson.annotation.JsonAutoDetect.Value vis) Method for setting auto-detection visibility definition defaults, which are in effect unless overridden by annotations (like JsonAutoDetect) or per-type visibility overrides.
ObjectMapper	ObjectMapper.setEnumNamingStrategy(EnumNamingStrategy s) Method for setting custom enum naming strategy to use.
ObjectMapper	ObjectMapper.setFilterProvider(FilterProvider filterProvider) Method for configuring this mapper to use specified FilterProvider for mapping Filter Ids to actual filter instances.
ObjectMapper	ObjectMapper.setInjectableValues(InjectableValues injectableValues) Method for configuring InjectableValues which used to find values to inject.
ObjectMapper	ObjectMapper.setLocale(Locale l) Method for overriding default locale to use for formatting.
ObjectMapper	ObjectMapper.setMixInResolver(ClassIntrospector.MixInResolver resolver) Method that can be called to specify given resolver for locating mix-in classes to use, overriding directly added mappings.
ObjectMapper	ObjectMapper.setMixIns(Map<Class<?>,Class<?>> sourceMixins) Method to use for defining mix-in annotations to use for augmenting annotations that processable (serializable / deserializable) classes have.
ObjectMapper	ObjectMapper.setNodeFactory(JsonNodeFactory f) Method for specifying JsonNodeFactory to use for constructing root level tree nodes (via method createObjectNode()
ObjectMapper	ObjectMapper.setPolymorphicTypeValidator(PolymorphicTypeValidator ptv) Method for specifying PolymorphicTypeValidator to use for validating polymorphic subtypes used with explicit polymorphic types (annotation-based), but NOT one with "default typing" (see activateDefaultTyping(PolymorphicTypeValidator) for details).
ObjectMapper	ObjectMapper.setPropertyInclusion(com.fasterxml.jackson.annotation.JsonInclude.Value incl) Deprecated. Since 2.9 use setDefaultPropertyInclusion(com.fasterxml.jackson.annotation.JsonInclude.Value)
ObjectMapper	ObjectMapper.setPropertyNamingStrategy(PropertyNamingStrategy s) Method for setting custom property naming strategy to use.
ObjectMapper	ObjectMapper.setSerializationInclusion(com.fasterxml.jackson.annotation.JsonInclude.Include incl) Convenience method, equivalent to calling: setPropertyInclusion(JsonInclude.Value.construct(incl, incl)); NOTE: behavior differs slightly from 2.8, where second argument was implied to be JsonInclude.Include.ALWAYS.
ObjectMapper	ObjectMapper.setSerializerFactory(SerializerFactory f) Method for setting specific SerializerFactory to use for constructing (bean) serializers.
ObjectMapper	ObjectMapper.setSerializerProvider(DefaultSerializerProvider p) Method for setting "blueprint" SerializerProvider instance to use as the base for actual provider instances to use for handling caching of JsonSerializer instances.
ObjectMapper	ObjectMapper.setSubtypeResolver(SubtypeResolver str) Method for setting custom subtype resolver to use.
ObjectMapper	ObjectMapper.setTimeZone(TimeZone tz) Method for overriding default TimeZone to use for formatting.
ObjectMapper	ObjectMapper.setTypeFactory(TypeFactory f) Method that can be used to override TypeFactory instance used by this mapper.
ObjectMapper	ObjectMapper.setVisibility(com.fasterxml.jackson.annotation.PropertyAccessor forMethod, com.fasterxml.jackson.annotation.JsonAutoDetect.Visibility visibility) Convenience method that allows changing configuration for underlying VisibilityCheckers, to change details of what kinds of properties are auto-detected.
ObjectMapper	ObjectMapper.setVisibility(VisibilityChecker<?> vc) Method for setting currently configured default VisibilityChecker, object used for determining whether given property element (method, field, constructor) can be auto-detected or not.

Constructors in com.fasterxml.jackson.databind with parameters of type ObjectMapper

Constructor and Description
MappingJsonFactory(JsonFactory src, ObjectMapper mapper)
MappingJsonFactory(ObjectMapper mapper)
ObjectMapper(ObjectMapper src) Copy-constructor, mostly used to support copy().
ObjectMapper(ObjectMapper src, JsonFactory factory) Copy-constructor, mostly used to support copyWith(JsonFactory).
ObjectReader(ObjectMapper mapper, DeserializationConfig config) Constructor used by ObjectMapper for initial instantiation
ObjectReader(ObjectMapper mapper, DeserializationConfig config, JavaType valueType, Object valueToUpdate, FormatSchema schema, InjectableValues injectableValues) Constructor called when a root deserializer should be fetched based on other configuration.
ObjectWriter(ObjectMapper mapper, SerializationConfig config) Alternative constructor for initial instantiation by ObjectMapper
ObjectWriter(ObjectMapper mapper, SerializationConfig config, FormatSchema s) Alternative constructor for initial instantiation by ObjectMapper
ObjectWriter(ObjectMapper mapper, SerializationConfig config, JavaType rootType, PrettyPrinter pp) Constructor used by ObjectMapper for initial instantiation

Uses of ObjectMapper in com.fasterxml.jackson.databind.cfg

Classes in com.fasterxml.jackson.databind.cfg with type parameters of type ObjectMapper

Modifier and Type	Class and Description
class	MapperBuilder<M extends ObjectMapper,B extends MapperBuilder<M,B>> Jackson 3 will introduce fully immutable, builder-based system for constructing ObjectMappers.

Fields in com.fasterxml.jackson.databind.cfg declared as ObjectMapper

Modifier and Type	Field and Description
protected M	MapperBuilder._mapper

Uses of ObjectMapper in com.fasterxml.jackson.databind.json

Subclasses of ObjectMapper in com.fasterxml.jackson.databind.json

Modifier and Type	Class and Description
class	JsonMapper JSON-format specific ObjectMapper implementation.