From 7490c2c04cf96310fce541694099bcead5ec7ae9 Mon Sep 17 00:00:00 2001
From: "Juan M.vi" <earth001@gmail.com>
Date: Wed, 22 Nov 2017 01:22:35 -0300
Subject: [PATCH] Add Adapter sample & update Yasson version

---
 jsonb/pom.xml                                 |  4 +--
 .../com/baeldung/adapter/PersonAdapter.java   | 26 ++++++++++++++++
 .../main/java/com/baeldung/jsonb/Person.java  |  2 +-
 .../java/com/baeldung/jsonb/JsonbTest.java    | 30 +++++++++++++++++++
 4 files changed, 59 insertions(+), 3 deletions(-)
 create mode 100644 jsonb/src/main/java/com/baeldung/adapter/PersonAdapter.java

diff --git a/jsonb/pom.xml b/jsonb/pom.xml
index c61e1ac285..5058d89c31 100644
--- a/jsonb/pom.xml
+++ b/jsonb/pom.xml
@@ -98,9 +98,9 @@
 		<jsonb-api.version>1.0</jsonb-api.version>
 		<johnzon.version>1.1.3</johnzon.version>
 		<geronimo-json_1.1_spec.version>1.0</geronimo-json_1.1_spec.version>
-		<yasson.version>1.0</yasson.version>
+		<yasson.version>1.0.1</yasson.version>
 		<javax.json.version>1.1.2</javax.json.version>
 		<commons-collections4.version>4.1</commons-collections4.version>
 	</properties>
 
-</project>
+</project>
\ No newline at end of file
diff --git a/jsonb/src/main/java/com/baeldung/adapter/PersonAdapter.java b/jsonb/src/main/java/com/baeldung/adapter/PersonAdapter.java
new file mode 100644
index 0000000000..dfab2eb0d2
--- /dev/null
+++ b/jsonb/src/main/java/com/baeldung/adapter/PersonAdapter.java
@@ -0,0 +1,26 @@
+package com.baeldung.adapter;
+
+import javax.json.Json;
+import javax.json.JsonObject;
+import javax.json.bind.adapter.JsonbAdapter;
+
+import com.baeldung.jsonb.Person;
+
+public class PersonAdapter implements JsonbAdapter<Person, JsonObject> {
+
+    @Override
+    public JsonObject adaptToJson(Person p) throws Exception {
+        return Json.createObjectBuilder()
+            .add("id", p.getId())
+            .add("name", p.getName())
+            .build();
+    }
+
+    @Override
+    public Person adaptFromJson(JsonObject adapted) throws Exception {
+        Person person = new Person();
+        person.setId(adapted.getInt("id"));
+        person.setName(adapted.getString("name"));
+        return person;
+    }
+}
\ No newline at end of file
diff --git a/jsonb/src/main/java/com/baeldung/jsonb/Person.java b/jsonb/src/main/java/com/baeldung/jsonb/Person.java
index 7a54b37574..a506c1b000 100644
--- a/jsonb/src/main/java/com/baeldung/jsonb/Person.java
+++ b/jsonb/src/main/java/com/baeldung/jsonb/Person.java
@@ -22,10 +22,10 @@ public class Person {
     private BigDecimal salary;
 
     public Person() {
+        this(0, "", "", 0, LocalDate.now(), new BigDecimal(0));
     }
 
     public Person(int id, String name, String email, int age, LocalDate registeredDate, BigDecimal salary) {
-        super();
         this.id = id;
         this.name = name;
         this.email = email;
diff --git a/jsonb/src/test/java/com/baeldung/jsonb/JsonbTest.java b/jsonb/src/test/java/com/baeldung/jsonb/JsonbTest.java
index 92ffe0aa6f..67beda77e1 100644
--- a/jsonb/src/test/java/com/baeldung/jsonb/JsonbTest.java
+++ b/jsonb/src/test/java/com/baeldung/jsonb/JsonbTest.java
@@ -17,6 +17,8 @@ import javax.json.bind.config.PropertyOrderStrategy;
 import org.apache.commons.collections4.ListUtils;
 import org.junit.Test;
 
+import com.baeldung.adapter.PersonAdapter;
+
 public class JsonbTest {
 
     @Test
@@ -155,4 +157,32 @@ public class JsonbTest {
             .equals(person));
     }
 
+    @Test
+    public void givenPersonObject_whenSerializeWithAdapter_thenGetPersonJson() {
+        JsonbConfig config = new JsonbConfig().withAdapters(new PersonAdapter());
+        Jsonb jsonb = JsonbBuilder.create(config);
+        Person person = new Person(1, "Jhon", "jhon@test.com", 0, LocalDate.of(2019, 9, 7), BigDecimal.valueOf(1000.0));// new Person(1, "Jhon");
+        String jsonPerson = jsonb.toJson(person);
+        // @formatter:off
+        String jsonExpected = 
+            "{\"id\":1," +
+             "\"name\":\"Jhon\"}";
+        // @formatter:on
+        assertTrue(jsonExpected.equals(jsonPerson));
+    }
+
+    @Test
+    public void givenPersonJson_whenDeserializeWithAdapter_thenGetPersonObject() {
+        JsonbConfig config = new JsonbConfig().withAdapters(new PersonAdapter());
+        Jsonb jsonb = JsonbBuilder.create(config);
+        Person person = new Person(1, "Jhon", "jhon@test.com", 0, LocalDate.of(2019, 9, 7), BigDecimal.valueOf(1000.0));// new Person(1, "Jhon");
+        // @formatter:off
+        String jsonPerson = 
+            "{\"id\":1," +
+             "\"name\":\"Jhon\"}";
+        // @formatter:on
+        assertTrue(jsonb.fromJson(jsonPerson, Person.class)
+            .equals(person));
+    }
+
 }