minor formatting cleanup

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

@@ -20,7 +20,7 @@ import org.springframework.orm.jpa.vendor.HibernateJpaVendorAdapter;
 // @PropertySource("persistence-h2.properties")
 // @PropertySource("persistence-hsqldb.properties")
 // @PropertySource("persistence-derby.properties")
-//@PropertySource("persistence-sqlite.properties")
+// @PropertySource("persistence-sqlite.properties")
 public class DbConfig {
 
     @Autowired
@@ -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/MvcConfig.java

@@ -11,11 +11,11 @@ import org.springframework.web.servlet.config.annotation.WebMvcConfigurer;
 @Configuration
 @EnableWebMvc
 public class MvcConfig implements WebMvcConfigurer {
-    
+
-    public MvcConfig(){
+    public MvcConfig() {
         super();
     }
-    
+
     @Override
     public void configureDefaultServletHandling(DefaultServletHandlerConfigurer configurer) {
         configurer.enable();
@@ -27,7 +27,7 @@ public class MvcConfig implements WebMvcConfigurer {
     }
 
     @Bean
-    BookEventHandler bookEventHandler(){
+    BookEventHandler bookEventHandler() {
         return new BookEventHandler();
     }
 

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

@@ -12,10 +12,9 @@ import org.springframework.http.HttpMethod;
 public class RestConfig implements RepositoryRestConfigurer {
 
     @Override
-    public void configureRepositoryRestConfiguration(RepositoryRestConfiguration repositoryRestConfiguration){
+    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

@@ -8,33 +8,34 @@ import java.util.logging.Logger;
 
 @RepositoryEventHandler
 public class AuthorEventHandler {
-        Logger logger = Logger.getLogger("Class AuthorEventHandler");
+    Logger logger = Logger.getLogger("Class AuthorEventHandler");
-        public AuthorEventHandler(){
-                super();
-        }
 
-        @HandleBeforeCreate
+    public AuthorEventHandler() {
-        public void handleAuthorBeforeCreate(Author author){
+        super();
-                logger.info("Inside  Author Before Create....");
+    }
-                String name = author.getName();
-        }
 
-        @HandleAfterCreate
+    @HandleBeforeCreate
-        public void handleAuthorAfterCreate(Author author){
+    public void handleAuthorBeforeCreate(Author author) {
-                logger.info("Inside  Author After Create ....");
+        logger.info("Inside  Author Before Create....");
-                String name = author.getName();
+        String name = author.getName();
-        }
+    }
 
-        @HandleBeforeDelete
+    @HandleAfterCreate
-        public void handleAuthorBeforeDelete(Author author){
+    public void handleAuthorAfterCreate(Author author) {
-                logger.info("Inside  Author Before Delete ....");
+        logger.info("Inside  Author After Create ....");
-                String name = author.getName();
+        String name = author.getName();
-        }
+    }
 
-        @HandleAfterDelete
+    @HandleBeforeDelete
-        public void handleAuthorAfterDelete(Author author){
+    public void handleAuthorBeforeDelete(Author author) {
-                logger.info("Inside  Author After Delete ....");
+        logger.info("Inside  Author Before Delete ....");
-                String name = author.getName();
+        String name = author.getName();
-        }
+    }
+
+    @HandleAfterDelete
+    public void handleAuthorAfterDelete(Author author) {
+        logger.info("Inside  Author After Delete ....");
+        String name = author.getName();
+    }
 
 }

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

@@ -10,17 +10,18 @@ import org.springframework.data.rest.core.annotation.RepositoryEventHandler;
 
 @RepositoryEventHandler
 public class BookEventHandler {
-        Logger logger = Logger.getLogger("Class BookEventHandler");
+    Logger logger = Logger.getLogger("Class BookEventHandler");
-        @HandleBeforeCreate
-        public void handleBookBeforeCreate(Book book){
 
-                logger.info("Inside Book Before Create ....");
+    @HandleBeforeCreate
-                book.getAuthors();
+    public void handleBookBeforeCreate(Book book) {
-        }
 
-        @HandleBeforeCreate
+        logger.info("Inside Book Before Create ....");
-        public void handleAuthorBeforeCreate(Author author){
+        book.getAuthors();
-                logger.info("Inside Author Before Create ....");
+    }
-                author.getBooks();
+
-        }
+    @HandleBeforeCreate
+    public void handleAuthorBeforeCreate(Author author) {
+        logger.info("Inside Author Before Create ....");
+        author.getBooks();
+    }
 }

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/Address.java

@@ -11,7 +11,7 @@ import javax.persistence.OneToOne;
 public class Address {
 
     @Id
-    @GeneratedValue(strategy=GenerationType.IDENTITY)
+    @GeneratedValue(strategy = GenerationType.IDENTITY)
     private long id;
 
     @Column(nullable = false)

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

@@ -16,7 +16,7 @@ import javax.persistence.ManyToMany;
 public class Author {
 
     @Id
-    @GeneratedValue(strategy=GenerationType.IDENTITY)
+    @GeneratedValue(strategy = GenerationType.IDENTITY)
     private long id;
 
     @Column(nullable = false)

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

@@ -16,14 +16,14 @@ import javax.persistence.ManyToOne;
 public class Book {
 
     @Id
-    @GeneratedValue(strategy=GenerationType.IDENTITY)
+    @GeneratedValue(strategy = GenerationType.IDENTITY)
     private long id;
 
     @Column(nullable = false)
     private String title;
-    
+
     private String isbn;
-    
+
     @ManyToOne
     @JoinColumn(name = "library_id")
     private Library library;
@@ -63,7 +63,6 @@ public class Book {
         this.isbn = isbn;
     }
 
-
     public Library getLibrary() {
         return library;
     }

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

@@ -17,7 +17,7 @@ import org.springframework.data.rest.core.annotation.RestResource;
 public class Library {
 
     @Id
-    @GeneratedValue(strategy=GenerationType.IDENTITY)
+    @GeneratedValue(strategy = GenerationType.IDENTITY)
     private long id;
 
     @Column

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

@@ -10,7 +10,7 @@ import javax.persistence.Id;
 public class Subject {
 
     @Id
-    @GeneratedValue(strategy=GenerationType.IDENTITY)
+    @GeneratedValue(strategy = GenerationType.IDENTITY)
     private long id;
 
     @Column(nullable = false)

spring-data-rest/src/main/java/com/baeldung/projections/CustomBook.java

@@ -8,15 +8,15 @@ import org.springframework.data.rest.core.config.Projection;
 import com.baeldung.models.Author;
 import com.baeldung.models.Book;
 
-@Projection(name = "customBook", types = { Book.class }) 
+@Projection(name = "customBook", types = { Book.class })
 public interface CustomBook {
     @Value("#{target.id}")
-    long getId(); 
+    long getId();
-    
+
     String getTitle();
-    
+
     List<Author> getAuthors();
-    
+
     @Value("#{target.getAuthors().size()}")
     int getAuthorCount();
 }

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/main/java/com/baeldung/repositories/SubjectRepository.java

@@ -8,8 +8,8 @@ import org.springframework.data.rest.core.annotation.RestResource;
 import com.baeldung.models.Subject;
 
 public interface SubjectRepository extends PagingAndSortingRepository<Subject, Long> {
-    
+
     @RestResource(path = "nameContains")
     public Page<Subject> findByNameContaining(@Param("name") String name, Pageable p);
-    
+
 }

spring-data-rest/src/test/java/com/baeldung/events/AuthorEventHandlerUnitTest.java

@@ -9,21 +9,21 @@ import static org.mockito.Mockito.mock;
 
 public class AuthorEventHandlerUnitTest {
 
-        @Test
+    @Test
-        public void whenCreateAuthorThenSuccess() {
+    public void whenCreateAuthorThenSuccess() {
-                Author author = mock(Author.class);
+        Author author = mock(Author.class);
-                AuthorEventHandler authorEventHandler = new AuthorEventHandler();
+        AuthorEventHandler authorEventHandler = new AuthorEventHandler();
-                authorEventHandler.handleAuthorBeforeCreate(author);
+        authorEventHandler.handleAuthorBeforeCreate(author);
-                Mockito.verify(author,Mockito.times(1)).getName();
+        Mockito.verify(author, Mockito.times(1)).getName();
 
-        }
+    }
 
-        @Test
+    @Test
-        public void whenDeleteAuthorThenSuccess() {
+    public void whenDeleteAuthorThenSuccess() {
-                Author author = mock(Author.class);
+        Author author = mock(Author.class);
-                AuthorEventHandler authorEventHandler = new AuthorEventHandler();
+        AuthorEventHandler authorEventHandler = new AuthorEventHandler();
-                authorEventHandler.handleAuthorAfterDelete(author);
+        authorEventHandler.handleAuthorAfterDelete(author);
-                Mockito.verify(author,Mockito.times(1)).getName();
+        Mockito.verify(author, Mockito.times(1)).getName();
 
-        }
+    }
 }

spring-data-rest/src/test/java/com/baeldung/events/BookEventHandlerUnitTest.java

@@ -8,21 +8,21 @@ import org.mockito.Mockito;
 import static org.mockito.Mockito.mock;
 
 public class BookEventHandlerUnitTest {
-        @Test
+    @Test
-        public void whenCreateBookThenSuccess() {
+    public void whenCreateBookThenSuccess() {
-                Book book = mock(Book.class);
+        Book book = mock(Book.class);
-                BookEventHandler bookEventHandler = new BookEventHandler();
+        BookEventHandler bookEventHandler = new BookEventHandler();
-                bookEventHandler.handleBookBeforeCreate(book);
+        bookEventHandler.handleBookBeforeCreate(book);
-                Mockito.verify(book,Mockito.times(1)).getAuthors();
+        Mockito.verify(book, Mockito.times(1)).getAuthors();
 
-        }
+    }
 
-        @Test
+    @Test
-        public void whenCreateAuthorThenSuccess() {
+    public void whenCreateAuthorThenSuccess() {
-                Author author = mock(Author.class);
+        Author author = mock(Author.class);
-                BookEventHandler bookEventHandler = new BookEventHandler();
+        BookEventHandler bookEventHandler = new BookEventHandler();
-                bookEventHandler.handleAuthorBeforeCreate(author);
+        bookEventHandler.handleAuthorBeforeCreate(author);
-                Mockito.verify(author,Mockito.times(1)).getBooks();
+        Mockito.verify(author, Mockito.times(1)).getBooks();
 
-        }
+    }
 }

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

@@ -29,16 +29,15 @@ 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;
 
     @Autowired
     private AuthorRepository authorRepo;
-    
+
     @Before
-    public void setup(){
+    public void setup() {
-        if(bookRepo.findById(1L) == null){
+        if (bookRepo.findById(1L) == null) {
             Book book = new Book("Animal Farm");
             book.setIsbn("978-1943138425");
             book = bookRepo.save(book);
@@ -48,45 +47,44 @@ public class SpringDataProjectionLiveTest {
             author = authorRepo.save(author);
         }
     }
-    
+
     @Test
-    public void whenGetBook_thenOK(){
+    public void whenGetBook_thenOK() {
-        final Response response = RestAssured.get(BOOK_ENDPOINT+"/1");
+        final Response response = RestAssured.get(BOOK_ENDPOINT + "/1");
-        
+
         assertEquals(200, response.getStatusCode());
         assertTrue(response.asString().contains("isbn"));
         assertFalse(response.asString().contains("authorCount"));
-//        System.out.println(response.asString());
+        // System.out.println(response.asString());
     }
-    
+
-    
     @Test
-    public void whenGetBookProjection_thenOK(){
+    public void whenGetBookProjection_thenOK() {
-        final Response response = RestAssured.get(BOOK_ENDPOINT+"/1?projection=customBook");
+        final Response response = RestAssured.get(BOOK_ENDPOINT + "/1?projection=customBook");
-        
+
         assertEquals(200, response.getStatusCode());
         assertFalse(response.asString().contains("isbn"));
-        assertTrue(response.asString().contains("authorCount"));        
+        assertTrue(response.asString().contains("authorCount"));
-//        System.out.println(response.asString());
+        // System.out.println(response.asString());
     }
-    
+
     @Test
-    public void whenGetAllBooks_thenOK(){
+    public void whenGetAllBooks_thenOK() {
         final Response response = RestAssured.get(BOOK_ENDPOINT);
-        
+
         assertEquals(200, response.getStatusCode());
         assertFalse(response.asString().contains("isbn"));
-        assertTrue(response.asString().contains("authorCount"));    
+        assertTrue(response.asString().contains("authorCount"));
-       // System.out.println(response.asString());
+        // System.out.println(response.asString());
     }
-    
+
     @Test
-    public void whenGetAuthorBooks_thenOK(){
+    public void whenGetAuthorBooks_thenOK() {
-        final Response response = RestAssured.get(AUTHOR_ENDPOINT+"/1/books");
+        final Response response = RestAssured.get(AUTHOR_ENDPOINT + "/1/books");
-        
+
         assertEquals(200, response.getStatusCode());
         assertFalse(response.asString().contains("isbn"));
-        assertTrue(response.asString().contains("authorCount"));    
+        assertTrue(response.asString().contains("authorCount"));
         System.out.println(response.asString());
     }
 }