Dear jackson community,
I'm trying to use @JsonTypeInfo and @JsonSubTypes I in a mixin to create
polymorphic type mapping for third-party classes. But it looks like the
annotations do not work with mixin. Could anybody please drop a hint how to
deal with it or find a workaround?
class Animal { }
class Cat extends Animal { }
@JsonTypeInfo(use = JsonTypeInfo.Id.NAME, property = "type")
@JsonSubTypes({@JsonSubTypes.Type(value = Cat.class, name = "cat")})
abstract class SubTypesMixin { }
@Test
public void mixinsShouldWorkWithSubtypesAnnotations() throws IOException {
// given
String json = "{\"type\":\"cat\"}";
ObjectMapper objectMapper = new ObjectMapper();
objectMapper.addMixIn(Animal.class, SubTypesMixin.class);
// when
Animal animal = new ObjectMapper()
.readerFor(Animal.class)
.readValue(json);
// then
assertEquals(animal.getClass(), Cat.class);
}
Thank you in advance,
Regards
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