Category: jackson Annotations

Jackson Annotations – @JacksonInject ”; Previous Next @JacksonInject is used when a property value is to be injected instead of being parsed from Json input. In the example below, we are inserting a value into object instead of parsing from the Json. Example @JacksonInject import java.io.IOException; import java.text.ParseException; import com.fasterxml.jackson.annotation.JacksonInject; import com.fasterxml.jackson.databind.InjectableValues; import com.fasterxml.jackson.databind.ObjectMapper; public class JacksonTester { public static void main(String args[]) throws ParseException{ String json = “{“name”:”Mark”}”; InjectableValues injectableValues = new InjectableValues.Std() .addValue(int.class, 1); ObjectMapper mapper = new ObjectMapper(); try { Student student = mapper .reader(injectableValues) .forType(Student.class) .readValue(json); System.out.println(student.rollNo +”, ” + student.name); } catch (IOException e) { e.printStackTrace(); } } } class Student { public String name; @JacksonInject public int rollNo; } Output 1, Mark Print Page Previous Next Advertisements ”;