StdScalarDeserializer (jackson-databind 2.9.10)

java.lang.Object
- com.fasterxml.jackson.databind.JsonDeserializer<T>
- - com.fasterxml.jackson.databind.deser.std.StdDeserializer<T>
  - - com.fasterxml.jackson.databind.deser.std.StdScalarDeserializer<T>

All Implemented Interfaces:

NullValueProvider, Serializable

Direct Known Subclasses:

AtomicBooleanDeserializer, ByteBufferDeserializer, DateDeserializers.DateBasedDeserializer, EnumDeserializer, FromStringDeserializer, NioPathDeserializer, NumberDeserializers.BigDecimalDeserializer, NumberDeserializers.BigIntegerDeserializer, NumberDeserializers.NumberDeserializer, NumberDeserializers.PrimitiveOrWrapperDeserializer, StackTraceElementDeserializer, StringDeserializer, TokenBufferDeserializer
```
public abstract class StdScalarDeserializer<T>
extends StdDeserializer<T>
```
Base class for deserializers that handle types that are serialized as JSON scalars (non-structured, i.e. non-Object, non-Array, values).

See Also:

Serialized Form

Nested Class Summary
- Nested classes/interfaces inherited from class com.fasterxml.jackson.databind.JsonDeserializer
  JsonDeserializer.None

Field Summary
- Fields inherited from class com.fasterxml.jackson.databind.deser.std.StdDeserializer
  _valueClass, F_MASK_ACCEPT_ARRAYS, F_MASK_INT_COERCIONS

Constructor Summary

Constructors
Modifier	Constructor and Description
`protected`	`StdScalarDeserializer(Class<?> vc)`
`protected`	`StdScalarDeserializer(JavaType valueType)`
`protected`	`StdScalarDeserializer(StdScalarDeserializer<?> src)`

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method and Description
`T`	`deserialize(JsonParser p, DeserializationContext ctxt, T intoValue)` Overridden to simply call `deserialize()` method that does not take value to update, since scalar values are usually non-mergeable.
`Object`	`deserializeWithType(JsonParser p, DeserializationContext ctxt, TypeDeserializer typeDeserializer)` Base implementation that does not assume specific type inclusion mechanism.
`AccessPattern`	`getEmptyAccessPattern()` This method may be called in conjunction with calls to `JsonDeserializer.getEmptyValue(DeserializationContext)`, to check whether it needs to be called just once (static values), or each time empty value is needed.
`AccessPattern`	`getNullAccessPattern()` Default implementation indicates that "null value" to use for input null is simply Java `null` for all deserializers, unless overridden by sub-classes.
`Boolean`	`supportsUpdate(DeserializationConfig config)` By default assumption is that scalar types cannot be updated: many are immutable values (such as primitives and wrappers)

Methods inherited from class com.fasterxml.jackson.databind.deser.std.StdDeserializer
_byteOverflow, _coercedTypeDesc, _coerceEmptyString, _coerceIntegral, _coerceNullToken, _coerceTextualNull, _deserializeFromArray, _deserializeFromEmpty, _deserializeWrappedValue, _failDoubleToIntCoercion, _findNullProvider, _hasTextualNull, _intOverflow, _isEmptyOrTextualNull, _isIntNumber, _isNaN, _isNegInf, _isPosInf, _neitherNull, _nonNullNumber, _parseBooleanFromInt, _parseBooleanPrimitive, _parseBytePrimitive, _parseDate, _parseDate, _parseDateFromArray, _parseDoublePrimitive, _parseDoublePrimitive, _parseFloatPrimitive, _parseFloatPrimitive, _parseIntPrimitive, _parseIntPrimitive, _parseLongPrimitive, _parseLongPrimitive, _parseShortPrimitive, _parseString, _reportFailedNullCoerce, _shortOverflow, _verifyEndArrayForSingle, _verifyNullForPrimitive, _verifyNullForPrimitiveCoercion, _verifyNullForScalarCoercion, _verifyNumberForScalarCoercion, _verifyStringForScalarCoercion, findContentNullProvider, findContentNullStyle, findConvertingContentDeserializer, findDeserializer, findFormatFeature, findFormatOverrides, findValueNullProvider, getValueClass, getValueType, handledType, handleMissingEndArrayForSingle, handleUnknownProperty, isDefaultDeserializer, isDefaultKeyDeserializer, parseDouble

Methods inherited from class com.fasterxml.jackson.databind.JsonDeserializer
deserialize, findBackReference, getDelegatee, getEmptyValue, getEmptyValue, getKnownPropertyNames, getNullValue, getNullValue, getObjectIdReader, isCachable, replaceDelegatee, unwrappingDeserializer

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

- Constructor Detail
  - StdScalarDeserializer
```
protected StdScalarDeserializer(Class<?> vc)
```
  - StdScalarDeserializer
```
protected StdScalarDeserializer(JavaType valueType)
```
  - StdScalarDeserializer
```
protected StdScalarDeserializer(StdScalarDeserializer<?> src)
```
- Method Detail
  - deserializeWithType
```
public Object deserializeWithType(JsonParser p,
                                  DeserializationContext ctxt,
                                  TypeDeserializer typeDeserializer)
                           throws IOException
```
    Description copied from class: StdDeserializer
    
    Base implementation that does not assume specific type inclusion mechanism. Sub-classes are expected to override this method if they are to handle type information.
    
    Overrides:
    
    deserializeWithType in class StdDeserializer<T>
    
    typeDeserializer - Deserializer to use for handling type information
    
    Throws:
    
    IOException
  - deserialize
```
public T deserialize(JsonParser p,
                     DeserializationContext ctxt,
                     T intoValue)
              throws IOException
```
    Overridden to simply call deserialize() method that does not take value to update, since scalar values are usually non-mergeable.
    
    Overrides:
    
    deserialize in class JsonDeserializer<T>
    
    Throws:
    
    IOException
  - supportsUpdate
```
public Boolean supportsUpdate(DeserializationConfig config)
```
    By default assumption is that scalar types cannot be updated: many are immutable values (such as primitives and wrappers)
    
    Overrides:
    
    supportsUpdate in class JsonDeserializer<T>
  - getNullAccessPattern
```
public AccessPattern getNullAccessPattern()
```
    Description copied from class: JsonDeserializer
    
    Default implementation indicates that "null value" to use for input null is simply Java `null` for all deserializers, unless overridden by sub-classes. This information may be used as optimization.
    
    Specified by:
    
    getNullAccessPattern in interface NullValueProvider
    
    Overrides:
    
    getNullAccessPattern in class JsonDeserializer<T>
  - getEmptyAccessPattern
```
public AccessPattern getEmptyAccessPattern()
```
    Description copied from class: JsonDeserializer
    
    This method may be called in conjunction with calls to JsonDeserializer.getEmptyValue(DeserializationContext), to check whether it needs to be called just once (static values), or each time empty value is needed.
    
    Overrides:
    
    getEmptyAccessPattern in class JsonDeserializer<T>

Class StdScalarDeserializer<T>

Nested Class Summary

Nested classes/interfaces inherited from class com.fasterxml.jackson.databind.JsonDeserializer

Field Summary

Fields inherited from class com.fasterxml.jackson.databind.deser.std.StdDeserializer

Constructor Summary

Method Summary

Methods inherited from class com.fasterxml.jackson.databind.deser.std.StdDeserializer

Methods inherited from class com.fasterxml.jackson.databind.JsonDeserializer

Methods inherited from class java.lang.Object

Constructor Detail

StdScalarDeserializer

StdScalarDeserializer

StdScalarDeserializer

Method Detail

deserializeWithType

deserialize

supportsUpdate

getNullAccessPattern

getEmptyAccessPattern