com.fasterxml.jackson.annotation

Annotation Type JsonSetter

@Target(value={ANNOTATION_TYPE,FIELD,METHOD,PARAMETER})
@Retention(value=RUNTIME)
public @interface JsonSetter

Annotation that can be used to define a non-static, single-argument method to be used as a "setter" for a logical property as an alternative to recommended JsonProperty annotation; or (as of 2.9 and later), specify additional aspects of the assigning property a value during serialization.

Optional Element Summary

Optional Elements

Modifier and Type	Optional Element and Description
Nulls	contentNulls Specifies action to take when input to match into content value (of a Collection, Map, array, or referential value) contains explicit `null` value (if format has one) to bind.
Nulls	nulls Specifies action to take when input contains explicit `null` value (if format has one).
String	value Optional default argument that defines logical property this method is used to modify ("set"); this is the property name used in JSON content.

Element Detail

value

public abstract String value

Optional default argument that defines logical property this method is used to modify ("set"); this is the property name used in JSON content.

Default:

""

nulls

public abstract Nulls nulls

Specifies action to take when input contains explicit `null` value (if format has one). Default action, in absence of any explicit configuration, is usually Nulls.SET, meaning that the `null` is set as value using setter.

NOTE: is not usually used in case property value is missing, unless data format specifies that there is defaulting which would result in an explicit null assignment.

Default:

com.fasterxml.jackson.annotation.Nulls.DEFAULT

contentNulls

public abstract Nulls contentNulls

Specifies action to take when input to match into content value (of a Collection, Map, array, or referential value) contains explicit `null` value (if format has one) to bind. Default action, in absence of any explicit configuration, is usually Nulls.SET, meaning that the `null` is included as usual.

Default:

com.fasterxml.jackson.annotation.Nulls.DEFAULT