类 org.codehaus.jackson.map.ObjectMapper的使用 (Jackson JSON Processor)

使用ObjectMapper的程序包
程序包	说明
org.codehaus.jackson.jaxrs	Jackson-based JAX-RS provider that can automatically serialize and deserialize resources for JSON content type (MediaType).
org.codehaus.jackson.map	Contains basic mapper (conversion) functionality that allows for converting between regular streaming json content and Java objects (beans or Tree Model: support for both is via `ObjectMapper` class, as well as convenience methods included in `JsonParser` Object mapper will convert Json content to ant from basic Java wrapper types (Integer, Boolean, Double), Collection types (List, Map), Java Beans, Strings and nulls.

org.codehaus.jackson.jaxrs中ObjectMapper的使用

声明为ObjectMapper的org.codehaus.jackson.jaxrs中的字段
限定符和类型	字段和说明
`protected ObjectMapper`	MapperConfigurator.`_defaultMapper` If no mapper was specified when constructed, and no configuration calls are made, a default mapper is constructed.
`protected ObjectMapper`	MapperConfigurator.`_mapper` Mapper provider was constructed with if any, or that was constructed due to a call to explicitly configure mapper.

返回ObjectMapper的org.codehaus.jackson.jaxrs中的方法
限定符和类型	方法和说明
`ObjectMapper`	MapperConfigurator.`getConfiguredMapper()` Method that locates, configures and returns `ObjectMapper` to use
`ObjectMapper`	MapperConfigurator.`getDefaultMapper()`
`ObjectMapper`	JacksonJsonProvider.`locateMapper(Class<?> type, MediaType mediaType)` Method called to locate `ObjectMapper` to use for serialization and deserialization.
`protected ObjectMapper`	MapperConfigurator.`mapper()` Helper method that will ensure that there is a configurable non-default mapper (constructing an instance if one didn't yet exit), and return that mapper.

参数类型为ObjectMapper的org.codehaus.jackson.jaxrs中的方法
限定符和类型	方法和说明
`protected Class<?>`	JacksonJsonProvider.`_findView(ObjectMapper mapper, Annotation[] annotations)`
`protected void`	MapperConfigurator.`_setAnnotations(ObjectMapper mapper, Annotations[] annotationsToUse)`
`void`	MapperConfigurator.`setMapper(ObjectMapper m)`
`void`	JacksonJsonProvider.`setMapper(ObjectMapper m)` Method that can be used to directly define `ObjectMapper` to use for serialization and deserialization; if null, will use the standard provider discovery from context instead.

参数类型为ObjectMapper的org.codehaus.jackson.jaxrs中的构造器
构造器和说明
`JacksonJaxbJsonProvider(ObjectMapper mapper, Annotations[] annotationsToUse)` Constructor to use when a custom mapper (usually components like serializer/deserializer factories that have been configured) is to be used.
`JacksonJsonProvider(ObjectMapper mapper)`
`JacksonJsonProvider(ObjectMapper mapper, Annotations[] annotationsToUse)` Constructor to use when a custom mapper (usually components like serializer/deserializer factories that have been configured) is to be used.
`MapperConfigurator(ObjectMapper mapper, Annotations[] defAnnotations)`

org.codehaus.jackson.map中ObjectMapper的使用

返回ObjectMapper的org.codehaus.jackson.map中的方法
限定符和类型	方法和说明
`ObjectMapper`	ObjectMapper.`configure(DeserializationConfig.Feature 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 `JsonFactory` instance this object mapper uses.
`ObjectMapper`	ObjectMapper.`configure(JsonParser.Feature f, boolean state)` Method for changing state of an on/off `JsonParser` feature for `JsonFactory` instance this object mapper uses.
`ObjectMapper`	ObjectMapper.`configure(SerializationConfig.Feature f, boolean state)` Method for changing state of an on/off serialization feature for this object mapper.
`ObjectMapper`	ObjectMapper.`disable(DeserializationConfig.Feature... f)` Method for enabling specified `DeserializationConfig` features.
`ObjectMapper`	ObjectMapper.`disable(SerializationConfig.Feature... f)` Method for enabling specified `DeserializationConfig` features.
`ObjectMapper`	ObjectMapper.`disableDefaultTyping()` 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.`enable(DeserializationConfig.Feature... f)` Method for enabling specified `DeserializationConfig` features.
`ObjectMapper`	ObjectMapper.`enable(SerializationConfig.Feature... f)` Method for enabling specified `DeserializationConfig` features.
`ObjectMapper`	ObjectMapper.`enableDefaultTyping()` Convenience method that is equivalent to calling enableObjectTyping(DefaultTyping.OBJECT_AND_NON_CONCRETE);
`ObjectMapper`	ObjectMapper.`enableDefaultTyping(ObjectMapper.DefaultTyping dti)` Convenience method that is equivalent to calling enableObjectTyping(dti, JsonTypeInfo.As.WRAPPER_ARRAY);
`ObjectMapper`	ObjectMapper.`enableDefaultTyping(ObjectMapper.DefaultTyping applicability, JsonTypeInfo.As includeAs)` Method for enabling automatic inclusion of type information, needed for proper deserialization of polymorphic types (unless types have been annotated with `JsonTypeInfo`).
`ObjectMapper`	ObjectMapper.`enableDefaultTypingAsProperty(ObjectMapper.DefaultTyping applicability, String propertyName)` Method for enabling automatic inclusion of type information -- 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`	MappingJsonFactory.`getCodec()` We'll override the method to return more specific type; co-variance helps here
`ObjectMapper`	ObjectMapper.`setAnnotationIntrospector(AnnotationIntrospector ai)` Method for changing `AnnotationIntrospector` used by this mapper instance for both serialization and deserialization
`ObjectMapper`	ObjectMapper.`setDefaultTyping(TypeResolverBuilder<?> typer)` Method for enabling automatic inclusion of type information, using specified handler object for determining which types this affects, as well as details of how information is embedded.
`ObjectMapper`	ObjectMapper.`setDeserializationConfig(DeserializationConfig cfg)` Method for replacing the shared default deserialization configuration object.
`ObjectMapper`	ObjectMapper.`setDeserializerProvider(DeserializerProvider p)` Method for setting specific `DeserializerProvider` to use for handling caching of `JsonDeserializer` instances.
`ObjectMapper`	ObjectMapper.`setInjectableValues(InjectableValues injectableValues)`
`ObjectMapper`	ObjectMapper.`setNodeFactory(JsonNodeFactory f)` Method for specifying `JsonNodeFactory` to use for constructing root level tree nodes (via method `createObjectNode()`
`ObjectMapper`	ObjectMapper.`setPropertyNamingStrategy(PropertyNamingStrategy s)` Method for setting custom property naming strategy to use.
`ObjectMapper`	ObjectMapper.`setSerializationConfig(SerializationConfig cfg)` Method for replacing the shared default serialization configuration object.
`ObjectMapper`	ObjectMapper.`setSerializationInclusion(JsonSerialize.Inclusion incl)` Method for setting defalt POJO property inclusion strategy for serialization.
`ObjectMapper`	ObjectMapper.`setSerializerFactory(SerializerFactory f)` Method for setting specific `SerializerFactory` to use for constructing (bean) serializers.
`ObjectMapper`	ObjectMapper.`setSerializerProvider(SerializerProvider p)` Method for setting specific `SerializerProvider` to use for handling caching of `JsonSerializer` instances.
`ObjectMapper`	ObjectMapper.`setTypeFactory(TypeFactory f)` Method that can be used to override `TypeFactory` instance used by this mapper.
`ObjectMapper`	ObjectMapper.`setVisibility(JsonMethod 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.`withModule(Module module)` Fluent-style alternative to `registerModule(org.codehaus.jackson.map.Module)`; functionally equivalent to: mapper.registerModule(module); return mapper; NOTE: name is unfortunately misleading in suggesting that a new instance might be created (as is the case with most other 'withXxx()' methods for Jackson core objects) -- this is not the case; rather, this is just a variant of `registerModule(org.codehaus.jackson.map.Module)` but one that returns 'this' (like it should return, but does not for historical reasons).

参数类型为ObjectMapper的org.codehaus.jackson.map中的构造器
构造器和说明
`MappingJsonFactory(ObjectMapper mapper)`
`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)`
`ObjectWriter(ObjectMapper mapper, SerializationConfig config)` Alternative constructor for initial instantiation.
`ObjectWriter(ObjectMapper mapper, SerializationConfig config, FormatSchema s)` Alternative constructor for initial instantiation.
`ObjectWriter(ObjectMapper mapper, SerializationConfig config, JavaType rootType, PrettyPrinter pp)` Constructor used by `ObjectMapper` for initial instantiation