## 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
    `ObjectMapper` | ObjectMapper.`activateDefaultTyping(PolymorphicTypeValidator ptv, ObjectMapper.DefaultTyping applicability)` Convenience method that is equivalent to calling
    `ObjectMapper` | ObjectMapper.`activateDefaultTyping(PolymorphicTypeValidator ptv, ObjectMapper.DefaultTyping applicability, 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)
    `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 `DeserializationProblemHandler`s instances from this 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.Feature`s for parser instances this object mapper creates.
    `ObjectMapper` | ObjectMapper.`configure(MapperFeature f, boolean state)`
    `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.`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 enabling specified `DeserializationConfig` features.
    `ObjectMapper` | ObjectMapper.`disable(DeserializationFeature first, DeserializationFeature... f)` Method for enabling specified `DeserializationConfig` features.
    `ObjectMapper` | ObjectMapper.`disable(JsonGenerator.Feature... features)` Method for disabling specified `JsonGenerator.Feature`s for parser instances this object mapper creates.
    `ObjectMapper` | ObjectMapper.`disable(JsonParser.Feature... features)` Method for disabling specified `JsonParser.Feature`s for parser instances this object mapper creates.
    `ObjectMapper` | ObjectMapper.`disable(MapperFeature... f)`
    `ObjectMapper` | ObjectMapper.`disable(SerializationFeature f)` Method for enabling specified `DeserializationConfig` features.
    `ObjectMapper` | ObjectMapper.`disable(SerializationFeature first, SerializationFeature... f)` Method for enabling 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.Feature`s for parser instances this object mapper creates.
    `ObjectMapper` | ObjectMapper.`enable(JsonParser.Feature... features)` Method for enabling specified `JsonParser.Feature`s for parser instances this object mapper creates.
    `ObjectMapper` | ObjectMapper.`enable(MapperFeature... f)`
    `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, 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());`
    `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:
    `ObjectMapper` | ObjectMapper.`registerModules(Module... modules)` Convenience method for registering specified modules in order; functionally equivalent to:
    `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.`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.`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(JsonInclude.Include incl)` Short-cut for:
    `ObjectMapper` | ObjectMapper.`setDefaultPropertyInclusion(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(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(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.`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(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(JsonInclude.Include incl)` Convenience method, equivalent to calling:
    `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(PropertyAccessor forMethod, JsonAutoDetect.Visibility visibility)` Convenience method that allows changing configuration for underlying `VisibilityChecker`s, 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()`.
    `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 `ObjectMapper`s.

    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.

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