Polishing.

Reformat code.

See #606.

rest/headers/src/main/java/example/springdata/rest/headers/Address.java

@@ -15,13 +15,13 @@
  */
 package example.springdata.rest.headers;
 
+import lombok.Data;
+import lombok.RequiredArgsConstructor;
+
 import javax.persistence.Entity;
 import javax.persistence.GeneratedValue;
 import javax.persistence.Id;
 
-import lombok.Data;
-import lombok.RequiredArgsConstructor;
-
 /**
  * @author Oliver Gierke
  */
@@ -30,7 +30,7 @@ import lombok.RequiredArgsConstructor;
 @RequiredArgsConstructor
 public class Address {
 
-	@GeneratedValue @Id//
+	@GeneratedValue @Id //
 	private Long id;
 	private final String street, zipCode, city, state;
 

rest/headers/src/main/java/example/springdata/rest/headers/Customer.java

@@ -15,6 +15,9 @@
  */
 package example.springdata.rest.headers;
 
+import lombok.Data;
+import lombok.RequiredArgsConstructor;
+
 import java.time.LocalDateTime;
 
 import javax.persistence.CascadeType;
@@ -25,9 +28,6 @@ import javax.persistence.Id;
 import javax.persistence.OneToOne;
 import javax.persistence.Version;
 
-import lombok.Data;
-import lombok.RequiredArgsConstructor;
-
 import org.springframework.data.annotation.LastModifiedDate;
 import org.springframework.data.jpa.domain.support.AuditingEntityListener;
 
@@ -52,7 +52,7 @@ public class Customer {
 	private final String firstname, lastname;
 	private final Gender gender;
 
-	@OneToOne(cascade = CascadeType.ALL, orphanRemoval = true)//
+	@OneToOne(cascade = CascadeType.ALL, orphanRemoval = true) //
 	private final Address address;
 
 	Customer() {

rest/headers/src/test/java/example/springdata/rest/headers/ApplicationIntegrationTests.java

@@ -15,13 +15,13 @@
  */
 package example.springdata.rest.headers;
 
+import static org.assertj.core.api.Assertions.*;
+
 import org.junit.jupiter.api.Test;
+
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.boot.test.context.SpringBootTest;
 
-
-import static org.assertj.core.api.Assertions.assertThat;
-
 /**
  * Integration tests to bootstrap the application.
  *

rest/headers/src/test/java/example/springdata/rest/headers/WebIntegrationTests.java

@@ -21,13 +21,11 @@ import static org.springframework.restdocs.RestDocumentation.*;
 import static org.springframework.test.web.servlet.request.MockMvcRequestBuilders.*;
 import static org.springframework.test.web.servlet.result.MockMvcResultMatchers.*;
 
-import java.net.URI;
-
 import org.junit.jupiter.api.BeforeEach;
 import org.junit.jupiter.api.Test;
+
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.boot.test.context.SpringBootTest;
-import org.springframework.mock.web.MockHttpServletResponse;
 import org.springframework.restdocs.config.RestDocumentationConfigurer;
 import org.springframework.test.web.servlet.MockMvc;
 import org.springframework.test.web.servlet.setup.MockMvcBuilders;