| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| */ |
| package org.apache.johnzon.jsonb.polymorphism; |
| |
| import jakarta.json.bind.annotation.JsonbCreator; |
| import jakarta.json.bind.annotation.JsonbDateFormat; |
| import jakarta.json.bind.annotation.JsonbProperty; |
| import org.apache.johnzon.jsonb.test.JsonbRule; |
| import org.hamcrest.CoreMatchers; |
| import org.junit.Rule; |
| import org.junit.Test; |
| |
| import jakarta.json.bind.annotation.JsonbSubtype; |
| import jakarta.json.bind.annotation.JsonbTypeInfo; |
| |
| import java.time.LocalDate; |
| import java.time.format.DateTimeFormatter; |
| import java.util.Locale; |
| |
| import static org.hamcrest.MatcherAssert.assertThat; |
| import static org.junit.Assert.assertEquals; |
| import static org.junit.Assert.assertTrue; |
| |
| public class JsonbPolymorphismTest { |
| |
| @Rule public JsonbRule jsonb = new JsonbRule(); |
| |
| @Test |
| public void testNestedSerialization() { |
| Labrador labrador = new Labrador(); |
| labrador.dogAge = 3; |
| labrador.labradorName = "john"; |
| AnimalWrapper wrapper = new AnimalWrapper(); |
| wrapper.animal = labrador; |
| |
| assertEquals("{\"animal\":{\"@animal\":\"dog\",\"@dog\":\"labrador\",\"dogAge\":3,\"labradorName\":\"john\"}}", jsonb.toJson(wrapper)); |
| } |
| |
| @Test |
| public void testSerialization() { |
| Labrador labrador = new Labrador(); |
| labrador.dogAge = 3; |
| labrador.labradorName = "john"; |
| |
| assertEquals("{\"@animal\":\"dog\",\"@dog\":\"labrador\",\"dogAge\":3,\"labradorName\":\"john\"}", |
| jsonb.toJson(labrador)); |
| } |
| |
| @Test |
| public void testDeserialization() { |
| Animal deserialized = jsonb.fromJson("{\"@animal\":\"dog\",\"@dog\":\"labrador\",\"dogAge\":3,\"labradorName\":\"john\"}", Animal.class); |
| assertTrue(deserialized instanceof Labrador); |
| assertEquals(3, ((Labrador) deserialized).dogAge); |
| assertEquals("john", ((Labrador) deserialized).labradorName); |
| } |
| |
| @Test |
| public void testSubtypeSelfSerialization() { |
| Dog dog = new Dog(); |
| dog.dogAge = 3; |
| |
| assertEquals("{\"@animal\":\"dog\",\"@dog\":\"other\",\"dogAge\":3}", |
| jsonb.toJson(dog)); |
| } |
| |
| @Test |
| public void testSubtypeSelfDeserialization() { |
| Animal deserialized = jsonb.fromJson("{\"@animal\":\"dog\",\"@dog\":\"other\",\"dogAge\":3}", Animal.class); |
| |
| assertTrue(deserialized instanceof Dog); |
| assertEquals(3, ((Dog) deserialized).dogAge); |
| } |
| |
| @Test |
| public void testNoTypeInformationInJson() { |
| Dog dog = jsonb.fromJson("{\"dogAge\":3}", Dog.class); |
| |
| assertEquals(3, dog.dogAge); |
| } |
| |
| @Test |
| public void testCreatorDeserialization() { |
| SomeDateType deserialized = jsonb.fromJson("{\"@dateType\":\"constructor\",\"localDate\":\"26-02-2021\"}", |
| SomeDateType.class); |
| |
| assertThat("Incorrectly deserialized according to the type information. Expected was DateConstructor instance. " |
| + "Got instance of class " + deserialized.getClass(), |
| deserialized, CoreMatchers.instanceOf(DateConstructor.class)); |
| |
| final DateTimeFormatter formatter = |
| DateTimeFormatter.ofPattern("dd-MM-yyyy").withLocale(Locale.forLanguageTag("nl-NL")); |
| assertThat("Date isn't the expected one", |
| ((DateConstructor) deserialized).getLocalDate(), |
| CoreMatchers.equalTo(LocalDate.parse("26-02-2021", formatter))); |
| |
| } |
| |
| public static class AnimalWrapper { |
| public Animal animal; |
| } |
| |
| @JsonbTypeInfo(key = "@animal", value = @JsonbSubtype(alias = "dog", type = Dog.class)) |
| public interface Animal { |
| } |
| |
| @JsonbTypeInfo(key = "@dog", value = { |
| @JsonbSubtype(alias = "other", type = Dog.class), |
| @JsonbSubtype(alias = "labrador", type = Labrador.class) |
| }) |
| public static class Dog implements Animal { |
| public int dogAge; |
| } |
| |
| public static class Labrador extends Dog { |
| public String labradorName; |
| } |
| |
| @JsonbTypeInfo(key = "@dateType", value = { |
| @JsonbSubtype(alias = "constructor", type = DateConstructor.class) |
| }) |
| public interface SomeDateType { |
| |
| } |
| |
| public static final class DateConstructor implements SomeDateType { |
| |
| private LocalDate localDate; |
| |
| @JsonbCreator |
| public DateConstructor(@JsonbProperty("localDate") @JsonbDateFormat(value = "dd-MM-yyyy", locale = "nl-NL") LocalDate localDate) { |
| this.localDate = localDate; |
| } |
| |
| public LocalDate getLocalDate() { |
| return localDate; |
| } |
| } |
| |
| @Test |
| public void typeInfoNotOnDirectParent() { |
| ConcreteSomething something = new ConcreteSomething(); |
| assertEquals("{\"@type\":\"concrete\"}", jsonb.toJson(something)); |
| } |
| |
| @JsonbTypeInfo( |
| @JsonbSubtype(alias = "concrete", type = ConcreteSomething.class) |
| ) |
| public static abstract class AbstractTopLevelSomething { } |
| public static abstract class AbstractMiddleLevelSomething extends AbstractTopLevelSomething { } |
| public static class ConcreteSomething extends AbstractMiddleLevelSomething { } |
| } |