BAEL-5890 - Jackson's Deserialization with Lombok (#13073)

* BAEL-4706 - Spring Boot with Spring Batch

* BAEL-3948 - Fix test(s) in spring-batch which leaves repository.sqlite
changed

* BAEL-4736 - Convert JSONArray to List of Object using camel-jackson

* BAEL-4756 - Mockito MockSettings

* BAEL-4756 - Mockito MockSettings - fix spelling

* BAEL-2674 - Upgrade the Okhttp article

* BAEL-4204 - Adding Interceptors in OkHTTP

* BAEL-4836 - Mocking Static Methods with Mockito

* BAEL-4205 - A Guide to Events in OkHTTP

* BAEL-5408 - Update Camel version in spring-boot-camel module

* BAEL-5234 - Apache Camel Routes Testing in Spring Boot

* BAEL-5234 - Apache Camel Routes Testing in Spring Boot

* BAEL-5237 - Apache Camel Conditional Routing

* BAEL-5236 - Apache Camel Exception Handling

* BAEL-5890 - Jackson's Deserialization with Lombok

* BAEL-5890 - Jackson's Deserialization with Lombok

* BAEL-5890 - Jackson's Deserialization with Lombok

* BAEL-5890 - Jackson's Deserialization with Lombok

* BAEL-5890 - Jackson's Deserialization with Lombok

Co-authored-by: Jonathan Cook <jcook@sciops.esa.int>

lombok-modules/lombok-2/lombok.config

@@ -1,2 +1,2 @@
 config.stopBubbling = true
-lombok.experimental.flagUsage = warning
+lombok.experimental.flagUsage = warning

lombok-modules/lombok-2/pom.xml

@@ -20,6 +20,15 @@
             <version>${lombok.version}</version>
             <scope>provided</scope>
         </dependency>
+        <dependency>
+            <groupId>com.fasterxml.jackson.core</groupId>
+            <artifactId>jackson-databind</artifactId>
+            <version>${jackson.version}</version>
+        </dependency>
     </dependencies>
 
+    <properties>
+        <jackson.version>2.14.1</jackson.version>
+    </properties>
+
 </project>

lombok-modules/lombok-2/src/main/java/com/baeldung/lombok/jackson/Employee.java

@@ -0,0 +1,39 @@
+package com.baeldung.lombok.jackson;
+
+import com.fasterxml.jackson.databind.annotation.JsonDeserialize;
+import com.fasterxml.jackson.databind.annotation.JsonPOJOBuilder;
+
+import lombok.AllArgsConstructor;
+import lombok.Builder;
+import lombok.Data;
+
+@Data
+@Builder(builderClassName = "EmployeeBuilder")
+@JsonDeserialize(builder = Employee.EmployeeBuilder.class)
+@AllArgsConstructor
+public class Employee {
+
+    private int identity;
+    private String firstName;
+
+    @JsonPOJOBuilder(buildMethodName = "createEmployee", withPrefix = "construct")
+    public static class EmployeeBuilder {
+
+        private int idValue;
+        private String nameValue;
+
+        public EmployeeBuilder constructId(int id) {
+            idValue = id;
+            return this;
+        }
+
+        public EmployeeBuilder constructName(String name) {
+            nameValue = name;
+            return this;
+        }
+
+        public Employee createEmployee() {
+            return new Employee(idValue, nameValue);
+        }
+    }
+}

lombok-modules/lombok-2/src/main/java/com/baeldung/lombok/jackson/Fruit.java

@@ -0,0 +1,15 @@
+package com.baeldung.lombok.jackson;
+
+import lombok.Builder;
+import lombok.Data;
+import lombok.extern.jackson.Jacksonized;
+
+@Data
+@Builder
+@Jacksonized
+public class Fruit {
+
+    private String name;
+    private int id;
+
+}

lombok-modules/lombok-2/src/test/java/com/baeldung/lombok/jackson/LombokWithJacksonEmployeeUnitTest.java

@@ -0,0 +1,35 @@
+package com.baeldung.lombok.jackson;
+
+import static org.junit.jupiter.api.Assertions.assertEquals;
+
+import java.io.IOException;
+import org.junit.jupiter.api.Test;
+import com.fasterxml.jackson.databind.ObjectMapper;
+
+class LombokWithJacksonEmployeeUnitTest {
+
+    @Test
+    void withEmployeeObject_thenSerializeSucessfully() throws IOException {
+        Employee employee = Employee.builder()
+            .identity(5)
+            .firstName("Bob")
+            .build();
+
+        String json = newObjectMapper().writeValueAsString(employee);
+        assertEquals("{\"identity\":5,\"firstName\":\"Bob\"}", json);
+    }
+
+        @Test
+        public void withEmployeeJSON_thenDeserializeSucessfully() throws IOException {
+            String json = "{\"id\":5,\"name\":\"Bob\"}";
+            Employee employee = newObjectMapper().readValue(json, Employee.class);
+    
+            assertEquals(5, employee.getIdentity());
+            assertEquals("Bob", employee.getFirstName());
+        }
+
+    private ObjectMapper newObjectMapper() {
+        return new ObjectMapper();
+    }
+
+}

lombok-modules/lombok-2/src/test/java/com/baeldung/lombok/jackson/LombokWithJacksonFruitUnitTest.java

@@ -0,0 +1,33 @@
+package com.baeldung.lombok.jackson;
+
+import static org.junit.jupiter.api.Assertions.assertEquals;
+
+import java.io.IOException;
+import org.junit.jupiter.api.Test;
+import com.fasterxml.jackson.databind.ObjectMapper;
+
+class LombokWithJacksonFruitUnitTest {
+
+    @Test
+    void withFruitObject_thenSerializeSucessfully() throws IOException {
+        Fruit fruit = Fruit.builder()
+            .id(101)
+            .name("Apple")
+            .build();
+
+        String json = newObjectMapper().writeValueAsString(fruit);
+        assertEquals("{\"name\":\"Apple\",\"id\":101}", json);
+    }
+
+    @Test
+    public void withFruitJSON_thenDeserializeSucessfully() throws IOException {
+        String json = "{\"name\":\"Apple\",\"id\":101}";
+        Fruit fruit = newObjectMapper().readValue(json, Fruit.class);
+        assertEquals(new Fruit("Apple", 101), fruit);
+    }
+
+    private ObjectMapper newObjectMapper() {
+        return new ObjectMapper();
+    }
+
+}