- Jackson Annotations Tutorial
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- Serialization Annotations
- Jackson - @JsonAnyGetter
- Jackson - @JsonGetter
- @JsonPropertyOrder
- Jackson - @JsonRawValue
- Jackson - @JsonValue
- Jackson - @JsonRootName
- Jackson - @JsonSerialize
- Deserialization Annotations
- Jackson - @JsonCreator
- Jackson - @JacksonInject
- Jackson - @JsonAnySetter
- Jackson - @JsonSetter
- Jackson - @JsonDeserialize
- @JsonEnumDefaultValue
- Property Inclusion Annotations
- @JsonIgnoreProperties
- Jackson - @JsonIgnore
- Jackson - @JsonIgnoreType
- Jackson - @JsonInclude
- Jackson - @JsonAutoDetect
- Type Handling Annotations
- Jackson - @JsonTypeInfo
- Jackson - @JsonSubTypes
- Jackson - @JsonTypeName
- General Annotations
- Jackson - @JsonProperty
- Jackson - @JsonFormat
- Jackson - @JsonUnwrapped
- Jackson - @JsonView
- @JsonManagedReference
- @JsonBackReference
- Jackson - @JsonIdentityInfo
- Jackson - @JsonFilter
- Miscellaneous
- Custom Annotation
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- Disable Annotation
- Jackson Annotations Resources
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- Jackson - Discussion
Jackson Annotations - @JsonEnumDefaultValue
@JsonEnumDefaultValue is used to deserialize an unknown enum value using a default value.
Example @JsonEnumDefaultValue
import java.io.IOException; import java.text.ParseException; import com.fasterxml.jackson.annotation.JsonEnumDefaultValue; import com.fasterxml.jackson.databind.DeserializationFeature; import com.fasterxml.jackson.databind.ObjectMapper; public class JacksonTester { public static void main(String args[]) throws ParseException{ ObjectMapper mapper = new ObjectMapper(); mapper.enable(DeserializationFeature.READ_UNKNOWN_ENUM_VALUES_USING_DEFAULT_VALUE); String jsonString = "\"abc\""; try { LETTERS value = mapper.readValue(jsonString, LETTERS.class); System.out.println(value); } catch (IOException e) { e.printStackTrace(); } } } enum LETTERS { A, B, @JsonEnumDefaultValue UNKNOWN }
Output
UNKNOWN
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