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When to use @JsonAutoDetect annotation in Java?

Pragya Keshap answered on February 24, 2023 Popularity 1/10 Helpfulness 1/10

answer When to use @JsonAutoDetect annotation in Java?

When to use @JsonAutoDetect annotation in Java?

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The @JsonAutoDetect annotation can be used at the class level to override the visibility of the properties of a class during serialization and deserialization. We can set the visibility with the properties like "creatorVisibility", "fieldVisibility", "getterVisibility", "setterVisibility" and "isGetterVisibility". The JsonAutoDetect class can define public static constants that are similar to Java class visibility levels like "ANY", "DEFAULT", "NON_PRIVATE", "NONE", "PROTECTED_AND_PRIVATE" and "PUBLIC_ONLY".

public class JsonAutoDetectTest {
   public static void main(String[] args) throws IOException {
      Address address = new Address("Madhapur", "Hyderabad", "Telangana");
      Name name = new Name("Raja", "Ramesh");
      Student student = new Student(address, name, true);
      ObjectMapper mapper = new ObjectMapper();
      String jsonString = mapper.writerWithDefaultPrettyPrinter().writeValueAsString(student);
      System.out.println("JSON: " + jsonString);
   }
}
// Address class
class Address {
   private String firstLine;
   private String secondLine;
   private String thirdLine;
   public Address(String firstLine, String secondLine, String thirdLine) {
      this.firstLine = firstLine;
      this.secondLine = secondLine;
      this.thirdLine = thirdLine;
   }
   public String getFirstLine() {
      return firstLine;
   }
   public String getSecondLine() {
      return secondLine;
   }
   public String getThirdLine() {
      return thirdLine;
   }
}
// Name class
class Name {
   private String firstName;
   private String secondName;
   public Name(String firstName, String secondName) {
      this.firstName = firstName;
      this.secondName = secondName;
   }
   public String getFirstName() {
      return firstName;
   }
   public String getSecondName() {
      return secondName;
   }
}
// Student class
@JsonAutoDetect(fieldVisibility = JsonAutoDetect.Visibility.ANY)
class Student {
   private Address address;
   private Name name;
   private Boolean isActive;
   public Student(Address address, Name name, Boolean isActive) {
      this.address = address;
      this.name = name;
      this.isActive = isActive;
   }
}

Popularity 1/10 Helpfulness 1/10 Language java

Source: Grepper

Tags: java when

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Contributed on Feb 24 2023

Pragya Keshap

0 Answers Avg Quality 2/10

When to use @JsonAutoDetect annotation in Java?

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