Polishing (aligned with main)

spring-context/src/main/java/org/springframework/validation/beanvalidation/LocalValidatorFactoryBean.java

@@ -377,47 +377,45 @@ public class LocalValidatorFactoryBean extends SpringValidatorAdapter
 	protected void postProcessConfiguration(Configuration<?> configuration) {
 	}
 
+	private ValidatorFactory obtainValidatorFactory() {
+		Assert.state(this.validatorFactory != null, "No target ValidatorFactory set");
+		return this.validatorFactory;
+	}
+
 
 	@Override
 	public Validator getValidator() {
-		Assert.state(this.validatorFactory != null, "No target ValidatorFactory set");
-		return this.validatorFactory.getValidator();
+		return obtainValidatorFactory().getValidator();
 	}
 
 	@Override
 	public ValidatorContext usingContext() {
-		Assert.state(this.validatorFactory != null, "No target ValidatorFactory set");
-		return this.validatorFactory.usingContext();
+		return obtainValidatorFactory().usingContext();
 	}
 
 	@Override
 	public MessageInterpolator getMessageInterpolator() {
-		Assert.state(this.validatorFactory != null, "No target ValidatorFactory set");
-		return this.validatorFactory.getMessageInterpolator();
+		return obtainValidatorFactory().getMessageInterpolator();
 	}
 
 	@Override
 	public TraversableResolver getTraversableResolver() {
-		Assert.state(this.validatorFactory != null, "No target ValidatorFactory set");
-		return this.validatorFactory.getTraversableResolver();
+		return obtainValidatorFactory().getTraversableResolver();
 	}
 
 	@Override
 	public ConstraintValidatorFactory getConstraintValidatorFactory() {
-		Assert.state(this.validatorFactory != null, "No target ValidatorFactory set");
-		return this.validatorFactory.getConstraintValidatorFactory();
+		return obtainValidatorFactory().getConstraintValidatorFactory();
 	}
 
 	@Override
 	public ParameterNameProvider getParameterNameProvider() {
-		Assert.state(this.validatorFactory != null, "No target ValidatorFactory set");
-		return this.validatorFactory.getParameterNameProvider();
+		return obtainValidatorFactory().getParameterNameProvider();
 	}
 
 	@Override
 	public ClockProvider getClockProvider() {
-		Assert.state(this.validatorFactory != null, "No target ValidatorFactory set");
-		return this.validatorFactory.getClockProvider();
+		return obtainValidatorFactory().getClockProvider();
 	}
 
 	@Override
@@ -427,8 +425,8 @@ public class LocalValidatorFactoryBean extends SpringValidatorAdapter
 			try {
 				return super.unwrap(type);
 			}
-			catch (ValidationException ex) {
-				// Ignore - we'll try ValidatorFactory unwrapping next
+			catch (ValidationException ignored) {
+				// Trying ValidatorFactory unwrapping next
 			}
 		}
 		if (this.validatorFactory != null) {

spring-context/src/main/java/org/springframework/validation/beanvalidation/MessageSourceResourceBundleLocator.java

@@ -26,7 +26,7 @@ import org.springframework.context.support.MessageSourceResourceBundle;
 import org.springframework.util.Assert;
 
 /**
- * Implementation of Hibernate Validator 4.3/5.x's {@link ResourceBundleLocator} interface,
+ * Implementation of Hibernate Validator's {@link ResourceBundleLocator} interface,
  * exposing a Spring {@link MessageSource} as localized {@link MessageSourceResourceBundle}.
  *
  * @author Juergen Hoeller
@@ -39,6 +39,7 @@ public class MessageSourceResourceBundleLocator implements ResourceBundleLocator
 
 	private final MessageSource messageSource;
 
+
 	/**
 	 * Build a MessageSourceResourceBundleLocator for the given MessageSource.
 	 * @param messageSource the Spring MessageSource to wrap
@@ -48,6 +49,7 @@ public class MessageSourceResourceBundleLocator implements ResourceBundleLocator
 		this.messageSource = messageSource;
 	}
 
+
 	@Override
 	public ResourceBundle getResourceBundle(Locale locale) {
 		return new MessageSourceResourceBundle(this.messageSource, locale);

spring-web/src/main/java/org/springframework/http/converter/AbstractGenericHttpMessageConverter.java

@@ -93,7 +93,7 @@ public abstract class AbstractGenericHttpMessageConverter<T> extends AbstractHtt
 	 * and then calls {@link #writeInternal}.
 	 */
 	@Override
-	public final void write(final T t, @Nullable final Type type, @Nullable MediaType contentType,
+	public final void write(final T t, final @Nullable Type type, @Nullable MediaType contentType,
 			HttpOutputMessage outputMessage) throws IOException, HttpMessageNotWritableException {
 
 		final HttpHeaders headers = outputMessage.getHeaders();
@@ -108,14 +108,12 @@ public abstract class AbstractGenericHttpMessageConverter<T> extends AbstractHtt
 						public OutputStream getBody() {
 							return outputStream;
 						}
-
 						@Override
 						public HttpHeaders getHeaders() {
 							return headers;
 						}
 					});
 				}
-
 				@Override
 				public boolean repeatable() {
 					return supportsRepeatableWrites(t);

spring-web/src/main/java/org/springframework/http/converter/AbstractHttpMessageConverter.java

@@ -224,7 +224,6 @@ public abstract class AbstractHttpMessageConverter<T> implements HttpMessageConv
 						}
 					});
 				}
-
 				@Override
 				public boolean repeatable() {
 					return supportsRepeatableWrites(t);

spring-web/src/main/java/org/springframework/http/converter/AbstractSmartHttpMessageConverter.java

@@ -106,7 +106,6 @@ public abstract class AbstractSmartHttpMessageConverter<T> extends AbstractHttpM
 						}
 					}, hints);
 				}
-
 				@Override
 				public boolean repeatable() {
 					return supportsRepeatableWrites(t);

spring-web/src/main/java/org/springframework/http/converter/BufferedImageHttpMessageConverter.java

@@ -218,7 +218,7 @@ public class BufferedImageHttpMessageConverter implements HttpMessageConverter<B
 	}
 
 	@Override
-	public void write(final BufferedImage image, @Nullable final MediaType contentType,
+	public void write(final BufferedImage image, final @Nullable MediaType contentType,
 			final HttpOutputMessage outputMessage)
 			throws IOException, HttpMessageNotWritableException {
 
@@ -231,7 +231,6 @@ public class BufferedImageHttpMessageConverter implements HttpMessageConverter<B
 				public void writeTo(OutputStream outputStream) throws IOException {
 					BufferedImageHttpMessageConverter.this.writeInternal(image, selectedContentType, outputStream);
 				}
-
 				@Override
 				public boolean repeatable() {
 					return true;

spring-web/src/main/java/org/springframework/http/converter/FormHttpMessageConverter.java

@@ -414,7 +414,6 @@ public class FormHttpMessageConverter implements HttpMessageConverter<MultiValue
 				public void writeTo(OutputStream outputStream) throws IOException {
 					StreamUtils.copy(bytes, outputStream);
 				}
-
 				@Override
 				public boolean repeatable() {
 					return true;