minor formatting cleanup

spring-data-rest/src/main/java/com/baeldung/config/DbConfig.java

@@ -65,21 +65,23 @@ public class DbConfig {
 @Configuration
 @Profile("h2")
 @PropertySource("classpath:persistence-h2.properties")
-class H2Config {}
+class H2Config {
+}
 
 @Configuration
 @Profile("hsqldb")
 @PropertySource("classpath:persistence-hsqldb.properties")
-class HsqldbConfig {}
+class HsqldbConfig {
-
+}
 
 @Configuration
 @Profile("derby")
 @PropertySource("classpath:persistence-derby.properties")
-class DerbyConfig {}
+class DerbyConfig {
-
+}
 
 @Configuration
 @Profile("sqlite")
 @PropertySource("classpath:persistence-sqlite.properties")
-class SqliteConfig {}
+class SqliteConfig {
+}

spring-data-rest/src/main/java/com/baeldung/config/RestConfig.java

@@ -15,7 +15,6 @@ public class RestConfig implements RepositoryRestConfigurer {
     public void configureRepositoryRestConfiguration(RepositoryRestConfiguration repositoryRestConfiguration) {
         repositoryRestConfiguration.getProjectionConfiguration().addProjection(CustomBook.class);
         ExposureConfiguration config = repositoryRestConfiguration.getExposureConfiguration();
-        config.forDomainType(WebsiteUser.class).withItemExposure((metadata, httpMethods) ->
+        config.forDomainType(WebsiteUser.class).withItemExposure((metadata, httpMethods) -> httpMethods.disable(HttpMethod.PATCH));
-          httpMethods.disable(HttpMethod.PATCH));
     }
 }

spring-data-rest/src/main/java/com/baeldung/config/ValidatorEventRegister.java

@@ -24,13 +24,7 @@ public class ValidatorEventRegister implements InitializingBean {
         List<String> events = Arrays.asList("beforeCreate", "afterCreate", "beforeSave", "afterSave", "beforeLinkSave", "afterLinkSave", "beforeDelete", "afterDelete");
 
         for (Map.Entry<String, Validator> entry : validators.entrySet()) {
-            events
+            events.stream().filter(p -> entry.getKey().startsWith(p)).findFirst().ifPresent(p -> validatingRepositoryEventListener.addValidator(p, entry.getValue()));
-              .stream()
-              .filter(p -> entry
-                .getKey()
-                .startsWith(p))
-              .findFirst()
-              .ifPresent(p -> validatingRepositoryEventListener.addValidator(p, entry.getValue()));
         }
     }
 }

spring-data-rest/src/main/java/com/baeldung/events/AuthorEventHandler.java

@@ -9,6 +9,7 @@ import java.util.logging.Logger;
 @RepositoryEventHandler
 public class AuthorEventHandler {
     Logger logger = Logger.getLogger("Class AuthorEventHandler");
+
     public AuthorEventHandler() {
         super();
     }

spring-data-rest/src/main/java/com/baeldung/events/BookEventHandler.java

@@ -11,6 +11,7 @@ import org.springframework.data.rest.core.annotation.RepositoryEventHandler;
 @RepositoryEventHandler
 public class BookEventHandler {
     Logger logger = Logger.getLogger("Class BookEventHandler");
+
     @HandleBeforeCreate
     public void handleBookBeforeCreate(Book book) {
 

spring-data-rest/src/main/java/com/baeldung/exception/handlers/RestResponseEntityExceptionHandler.java

@@ -19,12 +19,7 @@ public class RestResponseEntityExceptionHandler extends ResponseEntityExceptionH
     public ResponseEntity<Object> handleAccessDeniedException(Exception ex, WebRequest request) {
         RepositoryConstraintViolationException nevEx = (RepositoryConstraintViolationException) ex;
 
-        String errors = nevEx
+        String errors = nevEx.getErrors().getAllErrors().stream().map(ObjectError::toString).collect(Collectors.joining("\n"));
-          .getErrors()
-          .getAllErrors()
-          .stream()
-          .map(ObjectError::toString)
-          .collect(Collectors.joining("\n"));
         return new ResponseEntity<>(errors, new HttpHeaders(), HttpStatus.NOT_ACCEPTABLE);
     }
 

spring-data-rest/src/main/java/com/baeldung/models/Book.java

@@ -63,7 +63,6 @@ public class Book {
         this.isbn = isbn;
     }
 
-
     public Library getLibrary() {
         return library;
     }

spring-data-rest/src/main/java/com/baeldung/repositories/BookRepository.java

@@ -7,4 +7,5 @@ import com.baeldung.models.Book;
 import com.baeldung.projections.CustomBook;
 
 @RepositoryRestResource(excerptProjection = CustomBook.class)
-public interface BookRepository extends CrudRepository<Book, Long> {}
+public interface BookRepository extends CrudRepository<Book, Long> {
+}

spring-data-rest/src/test/java/com/baeldung/projection/SpringDataProjectionLiveTest.java

@@ -29,7 +29,6 @@ public class SpringDataProjectionLiveTest {
     private static final String BOOK_ENDPOINT = "http://localhost:8080/books";
     private static final String AUTHOR_ENDPOINT = "http://localhost:8080/authors";
 
-
     @Autowired
     private BookRepository bookRepo;
 
@@ -59,7 +58,6 @@ public class SpringDataProjectionLiveTest {
         // System.out.println(response.asString());
     }
 
-    
     @Test
     public void whenGetBookProjection_thenOK() {
         final Response response = RestAssured.get(BOOK_ENDPOINT + "/1?projection=customBook");