- Jackson Annotations Tutorial
- Jackson - Home
- 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
- MixIn Annotations
- Disable Annotation
- Jackson Annotations Resources
- Jackson - Quick Guide
- Jackson - Useful Resources
- Jackson - Discussion
Jackson Annotations - Custom Annotation
We can create custom annotation easily using @JacksonAnnotationsInside annotation.
Example - Custom Annotation
import java.io.IOException; import java.lang.annotation.Retention; import java.lang.annotation.RetentionPolicy; import java.text.ParseException; import com.fasterxml.jackson.annotation.JacksonAnnotationsInside; import com.fasterxml.jackson.annotation.JsonInclude; import com.fasterxml.jackson.annotation.JsonInclude.Include; import com.fasterxml.jackson.annotation.JsonPropertyOrder; import com.fasterxml.jackson.databind.ObjectMapper; public class JacksonTester { public static void main(String args[]) throws IOException, ParseException { ObjectMapper mapper = new ObjectMapper(); Student student = new Student(1,13, "Mark"); String jsonString = mapper .writerWithDefaultPrettyPrinter() .writeValueAsString(student); System.out.println(jsonString); } } @CustomAnnotation class Student { public int id; public int rollNo; public String name; public String otherDetails; Student(int id, int rollNo, String name){ this.id = id; this.rollNo = rollNo; this.name = name; } } @Retention(RetentionPolicy.RUNTIME) @JacksonAnnotationsInside @JsonInclude(value = Include.NON_NULL) @JsonPropertyOrder({ "rollNo", "id", "name" }) @interface CustomAnnotation {}
Output
{ "rollNo" : 13, "id" : 1, "name" : "Mark" }
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