lombok(Value, Builder) + jackson

JacksonWithValueAndBuilderOfLombokTest.java

@Value
@Builder
class ValueTest1 {
	private String data1;
	private Integer data2;
	private int data3;

	@JsonCreator
	private ValueTest1(@JsonProperty("data1") String data1, @JsonProperty("data2") Integer data2, @JsonProperty("data3") int data3) {
		this.data1 = data1;
		this.data2 = data2;
		this.data3 = 1;
	}
}

@Value
@Builder
@AllArgsConstructor(access = AccessLevel.PRIVATE)
class ValueTest2 {
	private String data1;
	private Integer data2;
	private int data3;

	@JsonCreator
	private ValueTest2(@JsonProperty("data1") String data1, @JsonProperty("data2") Integer data2) {
		this.data1 = data1;
		this.data2 = data2;
		this.data3 = 1;
	}
}

@Value
@Builder
@JsonDeserialize(builder = ValueTest3.ValueTest3Builder.class)
class ValueTest3 {
	private String data1;
	private Integer data2;
	private int data3;

	@JsonPOJOBuilder(withPrefix = "") // for json deserialize using jackson
	static final class ValueTest3Builder {
	}
}

public class JacksonWithValueAndBuilderOfLombokTest {
	@Test
	public void valueAnnotationJsonTest() throws IOException {
		// given
		final Class[] clzs = new Class[] {ValueTest1.class, ValueTest2.class, ValueTest3.class};
		final ObjectMapper objectMapper = new ObjectMapper();
		final String json = "{"
			+ "\"data1\": \"test\","
			+ "\"data2\": 1,"
			+ "\"data3\": 1"
			+ "}";

		for (Class clz : clzs) {
			// when
			final Object t = objectMapper.readValue(json, clz);
			// then
			System.out.println(t);
			assertEquals("test", ReflectionTestUtils.getField(t, "data1"));
			assertEquals(Integer.valueOf(1), ReflectionTestUtils.getField(t, "data2"));
			assertEquals(1, ReflectionTestUtils.getField(t, "data3"));
		}
	}
}