java.lang.Object
- com.fasterxml.jackson.databind.jsontype.TypeDeserializer
- - com.fasterxml.jackson.databind.jsontype.impl.TypeDeserializerBase

All Implemented Interfaces:

java.io.Serializable

Direct Known Subclasses:

AsArrayTypeDeserializer, AsWrapperTypeDeserializer
```
public abstract class TypeDeserializerBase
extends TypeDeserializer
implements java.io.Serializable
```
Base class for all standard Jackson TypeDeserializers.

See Also:

Serialized Form

Field Summary

Fields
Modifier and Type	Field	Description
`protected JavaType`	`_baseType`
`protected JavaType`	`_defaultImpl`	Type to use as the default implementation, if type id is missing or cannot be resolved.
`protected JsonDeserializer<java.lang.Object>`	`_defaultImplDeserializer`
`protected java.util.Map<java.lang.String,JsonDeserializer<java.lang.Object>>`	`_deserializers`	For efficient operation we will lazily build mappings from type ids to actual deserializers, once needed.
`protected TypeIdResolver`	`_idResolver`
`protected BeanProperty`	`_property`	Property that contains value for which type information is included; null if value is a root value.
`protected boolean`	`_typeIdVisible`
`protected java.lang.String`	`_typePropertyName`	Name of type property used; needed for non-property versions too, in cases where type id is to be exposed as part of JSON.

Constructor Summary

Constructors
Modifier	Constructor	Description
`protected`	`TypeDeserializerBase(JavaType baseType, TypeIdResolver idRes, java.lang.String typePropertyName, boolean typeIdVisible, JavaType defaultImpl)`
`protected`	`TypeDeserializerBase(TypeDeserializerBase src, BeanProperty property)`

Method Summary

All Methods Instance Methods Abstract Methods Concrete Methods Deprecated Methods
Modifier and Type	Method	Description
`protected java.lang.Object`	`_deserializeWithNativeTypeId(com.fasterxml.jackson.core.JsonParser jp, DeserializationContext ctxt)`	Deprecated.
`protected java.lang.Object`	`_deserializeWithNativeTypeId(com.fasterxml.jackson.core.JsonParser jp, DeserializationContext ctxt, java.lang.Object typeId)`	Helper method called when `JsonParser` indicates that it can use so-called native type ids, and such type id has been found.
`protected JsonDeserializer<java.lang.Object>`	`_findDefaultImplDeserializer(DeserializationContext ctxt)`
`protected JsonDeserializer<java.lang.Object>`	`_findDeserializer(DeserializationContext ctxt, java.lang.String typeId)`
`protected JavaType`	`_handleMissingTypeId(DeserializationContext ctxt, java.lang.String extraDesc)`
`protected JavaType`	`_handleUnknownTypeId(DeserializationContext ctxt, java.lang.String typeId)`	Helper method called when given type id cannot be resolved into concrete deserializer either directly (using given `TypeIdResolver`), or using default type.
`JavaType`	`baseType()`
`java.lang.String`	`baseTypeName()`
`abstract TypeDeserializer`	`forProperty(BeanProperty prop)`	Method called to create contextual version, to be used for values of given property.
`java.lang.Class<?>`	`getDefaultImpl()`	Accessor for "default implementation" type; optionally defined class to use in cases where type id is not accessible for some reason (either missing, or cannot be resolved)
`java.lang.String`	`getPropertyName()`	Name of property that contains type information, if property-based inclusion is used.
`TypeIdResolver`	`getTypeIdResolver()`	Accessor for object that handles conversions between types and matching type ids.
`abstract com.fasterxml.jackson.annotation.JsonTypeInfo.As`	`getTypeInclusion()`	Accessor for type information inclusion method that deserializer uses; indicates how type information is (expected to be) embedded in JSON input.
`java.lang.String`	`toString()`

Methods inherited from class com.fasterxml.jackson.databind.jsontype.TypeDeserializer
deserializeIfNatural, deserializeIfNatural, deserializeTypedFromAny, deserializeTypedFromArray, deserializeTypedFromObject, deserializeTypedFromScalar

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

- Field Detail
  - _idResolver
```
protected final TypeIdResolver _idResolver
```
  - _baseType
```
protected final JavaType _baseType
```
  - _property
```
protected final BeanProperty _property
```
    Property that contains value for which type information is included; null if value is a root value. Note that this value is not assigned during construction but only when forProperty(com.fasterxml.jackson.databind.BeanProperty) is called to create a copy.
  - _defaultImpl
```
protected final JavaType _defaultImpl
```
    Type to use as the default implementation, if type id is missing or cannot be resolved.
  - _typePropertyName
```
protected final java.lang.String _typePropertyName
```
    Name of type property used; needed for non-property versions too, in cases where type id is to be exposed as part of JSON.
  - _typeIdVisible
```
protected final boolean _typeIdVisible
```
  - _deserializers
```
protected final java.util.Map<java.lang.String,JsonDeserializer<java.lang.Object>> _deserializers
```
    For efficient operation we will lazily build mappings from type ids to actual deserializers, once needed.
  - _defaultImplDeserializer
```
protected JsonDeserializer<java.lang.Object> _defaultImplDeserializer
```
- Constructor Detail
  - TypeDeserializerBase
```
protected TypeDeserializerBase(JavaType baseType,
                               TypeIdResolver idRes,
                               java.lang.String typePropertyName,
                               boolean typeIdVisible,
                               JavaType defaultImpl)
```
    Since:
    
    2.8
  - TypeDeserializerBase
```
protected TypeDeserializerBase(TypeDeserializerBase src,
                               BeanProperty property)
```
- Method Detail
  - forProperty
```
public abstract TypeDeserializer forProperty(BeanProperty prop)
```
    Description copied from class: TypeDeserializer
    
    Method called to create contextual version, to be used for values of given property. This may be the type itself (as is the case for bean properties), or values contained (for Collection or Map valued properties).
    
    Specified by:
    
    forProperty in class TypeDeserializer
  - getTypeInclusion
```
public abstract com.fasterxml.jackson.annotation.JsonTypeInfo.As getTypeInclusion()
```
    Description copied from class: TypeDeserializer
    
    Accessor for type information inclusion method that deserializer uses; indicates how type information is (expected to be) embedded in JSON input.
    
    Specified by:
    
    getTypeInclusion in class TypeDeserializer
  - baseTypeName
```
public java.lang.String baseTypeName()
```
  - getPropertyName
```
public final java.lang.String getPropertyName()
```
    Description copied from class: TypeDeserializer
    
    Name of property that contains type information, if property-based inclusion is used.
    
    Specified by:
    
    getPropertyName in class TypeDeserializer
  - getTypeIdResolver
```
public TypeIdResolver getTypeIdResolver()
```
    Description copied from class: TypeDeserializer
    
    Accessor for object that handles conversions between types and matching type ids.
    
    Specified by:
    
    getTypeIdResolver in class TypeDeserializer
  - getDefaultImpl
```
public java.lang.Class<?> getDefaultImpl()
```
    Description copied from class: TypeDeserializer
    
    Accessor for "default implementation" type; optionally defined class to use in cases where type id is not accessible for some reason (either missing, or cannot be resolved)
    
    Specified by:
    
    getDefaultImpl in class TypeDeserializer
  - baseType
```
public JavaType baseType()
```
    Since:
    
    2.9
  - toString
```
public java.lang.String toString()
```
    Overrides:
    
    toString in class java.lang.Object
  - _findDeserializer
```
protected final JsonDeserializer<java.lang.Object> _findDeserializer(DeserializationContext ctxt,
                                                                     java.lang.String typeId)
                                                              throws java.io.IOException
```
    Throws:
    
    java.io.IOException
  - _findDefaultImplDeserializer
```
protected final JsonDeserializer<java.lang.Object> _findDefaultImplDeserializer(DeserializationContext ctxt)
                                                                         throws java.io.IOException
```
    Throws:
    
    java.io.IOException
  - _deserializeWithNativeTypeId
```
@Deprecated
protected java.lang.Object _deserializeWithNativeTypeId(com.fasterxml.jackson.core.JsonParser jp,
                                                        DeserializationContext ctxt)
                                                 throws java.io.IOException
```
    Deprecated.
    
    Helper method called when JsonParser indicates that it can use so-called native type ids. Assumption from there is that only native type ids are to be used.
    
    Throws:
    
    java.io.IOException
    
    Since:
    
    2.3
  - _deserializeWithNativeTypeId
```
protected java.lang.Object _deserializeWithNativeTypeId(com.fasterxml.jackson.core.JsonParser jp,
                                                        DeserializationContext ctxt,
                                                        java.lang.Object typeId)
                                                 throws java.io.IOException
```
    Helper method called when JsonParser indicates that it can use so-called native type ids, and such type id has been found.
    
    Throws:
    
    java.io.IOException
    
    Since:
    
    2.4
  - _handleUnknownTypeId
```
protected JavaType _handleUnknownTypeId(DeserializationContext ctxt,
                                        java.lang.String typeId)
                                 throws java.io.IOException
```
    Helper method called when given type id cannot be resolved into concrete deserializer either directly (using given TypeIdResolver), or using default type. Default implementation simply throws a JsonMappingException to indicate the problem; sub-classes may choose
    
    Returns:
    
    If it is possible to resolve type id into a JsonDeserializer should return that deserializer; otherwise throw an exception to indicate the problem.
    
    Throws:
    
    java.io.IOException
    
    Since:
    
    2.8
  - _handleMissingTypeId
```
protected JavaType _handleMissingTypeId(DeserializationContext ctxt,
                                        java.lang.String extraDesc)
                                 throws java.io.IOException
```
    Throws:
    
    java.io.IOException
    
    Since:
    
    2.9

Class TypeDeserializerBase

Field Summary

Constructor Summary

Method Summary

Methods inherited from class com.fasterxml.jackson.databind.jsontype.TypeDeserializer

Methods inherited from class java.lang.Object

Field Detail

_idResolver

_baseType

_property

_defaultImpl

_typePropertyName

_typeIdVisible

_deserializers

_defaultImplDeserializer

Constructor Detail

TypeDeserializerBase

TypeDeserializerBase

Method Detail

forProperty

getTypeInclusion

baseTypeName

getPropertyName

getTypeIdResolver

getDefaultImpl

baseType

toString

_findDeserializer

_findDefaultImplDeserializer

_deserializeWithNativeTypeId

_deserializeWithNativeTypeId

_handleUnknownTypeId

_handleMissingTypeId