Polishing

spring-web/src/main/java/org/springframework/web/bind/support/WebExchangeBindException.java

@@ -261,7 +261,7 @@ public class WebExchangeBindException extends ServerWebInputException implements
 	}
 
 	@Override
-	public void recordFieldValue(String field, Class<?> type, Object value) {
+	public void recordFieldValue(String field, Class<?> type, @Nullable Object value) {
 		this.bindingResult.recordFieldValue(field, type, value);
 	}
 

spring-web/src/main/java/org/springframework/web/method/annotation/ModelAttributeMethodProcessor.java

@@ -33,7 +33,6 @@ import org.springframework.core.ParameterNameDiscoverer;
 import org.springframework.core.annotation.AnnotationUtils;
 import org.springframework.lang.Nullable;
 import org.springframework.util.Assert;
-import org.springframework.validation.AbstractBindingResult;
 import org.springframework.validation.BindException;
 import org.springframework.validation.BindingResult;
 import org.springframework.validation.Errors;
@@ -289,13 +288,11 @@ public class ModelAttributeMethodProcessor implements HandlerMethodArgumentResol
 		}
 
 		if (bindingFailure) {
-			if (binder.getBindingResult() instanceof AbstractBindingResult) {
-				AbstractBindingResult result = (AbstractBindingResult) binder.getBindingResult();
-				for (int i = 0; i < paramNames.length; i++) {
-					result.recordFieldValue(paramNames[i], paramTypes[i], args[i]);
-				}
+			BindingResult result = binder.getBindingResult();
+			for (int i = 0; i < paramNames.length; i++) {
+				result.recordFieldValue(paramNames[i], paramTypes[i], args[i]);
 			}
-			throw new BindException(binder.getBindingResult());
+			throw new BindException(result);
 		}
 
 		return BeanUtils.instantiateClass(ctor, args);
@@ -319,13 +316,17 @@ public class ModelAttributeMethodProcessor implements HandlerMethodArgumentResol
 	 * @param parameter the method parameter declaration
 	 */
 	protected void validateIfApplicable(WebDataBinder binder, MethodParameter parameter) {
-		Annotation[] annotations = parameter.getParameterAnnotations();
-		for (Annotation ann : annotations) {
+		for (Annotation ann : parameter.getParameterAnnotations()) {
 			Validated validatedAnn = AnnotationUtils.getAnnotation(ann, Validated.class);
 			if (validatedAnn != null || ann.annotationType().getSimpleName().startsWith("Valid")) {
 				Object hints = (validatedAnn != null ? validatedAnn.value() : AnnotationUtils.getValue(ann));
-				Object[] validationHints = (hints instanceof Object[] ? (Object[]) hints : new Object[] {hints});
-				binder.validate(validationHints);
+				if (hints != null) {
+					Object[] validationHints = (hints instanceof Object[] ? (Object[]) hints : new Object[] {hints});
+					binder.validate(validationHints);
+				}
+				else {
+					binder.validate();
+				}
 				break;
 			}
 		}

spring-web/src/main/java/org/springframework/web/server/session/InMemoryWebSessionStore.java

@@ -62,7 +62,7 @@ public class InMemoryWebSessionStore implements WebSessionStore {
 	 * {@link IllegalStateException}.
 	 * <p>By default set to 10000.
 	 * @param maxSessions the maximum number of sessions
-	 * @since 5.1
+	 * @since 5.0.8
 	 */
 	public void setMaxSessions(int maxSessions) {
 		this.maxSessions = maxSessions;
@@ -70,7 +70,7 @@ public class InMemoryWebSessionStore implements WebSessionStore {
 
 	/**
 	 * Return the maximum number of sessions that can be stored.
-	 * @since 5.1
+	 * @since 5.0.8
 	 */
 	public int getMaxSessions() {
 		return this.maxSessions;
@@ -102,9 +102,9 @@ public class InMemoryWebSessionStore implements WebSessionStore {
 	 * Return the map of sessions with an {@link Collections#unmodifiableMap
 	 * unmodifiable} wrapper. This could be used for management purposes, to
 	 * list active sessions, invalidate expired ones, etc.
-	 * @since 5.1
+	 * @since 5.0.8
 	 */
-	public Map<String, InMemoryWebSession> getSessions() {
+	public Map<String, WebSession> getSessions() {
 		return Collections.unmodifiableMap(this.sessions);
 	}
 
@@ -153,7 +153,7 @@ public class InMemoryWebSessionStore implements WebSessionStore {
 	 * kicked off lazily during calls to {@link #createWebSession() create} or
 	 * {@link #retrieveSession retrieve}, no less than 60 seconds apart.
 	 * This method can be called to force a check at a specific time.
-	 * @since 5.1
+	 * @since 5.0.8
 	 */
 	public void removeExpiredSessions() {
 		this.expiredSessionChecker.removeExpiredSessions(this.clock.instant());

spring-web/src/main/java/org/springframework/web/util/HierarchicalUriComponents.java

@@ -255,7 +255,6 @@ final class HierarchicalUriComponents extends UriComponents {
 	// Encoding
 
 	HierarchicalUriComponents encodeTemplate(Charset charset) {
-
 		if (this.encodeState.isEncoded()) {
 			return this;
 		}

spring-web/src/main/java/org/springframework/web/util/UriComponentsBuilder.java

@@ -325,7 +325,7 @@ public class UriComponentsBuilder implements UriBuilder, Cloneable {
 	}
 
 
-	// encode methods
+	// Encode methods
 
 	/**
 	 * Request to have the URI template pre-encoded at build time, and
@@ -361,7 +361,7 @@ public class UriComponentsBuilder implements UriBuilder, Cloneable {
 	}
 
 
-	// build methods
+	// Build methods
 
 	/**
 	 * Build a {@code UriComponents} instance from the various components contained in this builder.
@@ -386,8 +386,7 @@ public class UriComponentsBuilder implements UriBuilder, Cloneable {
 			HierarchicalUriComponents uriComponents =
 					new HierarchicalUriComponents(this.scheme, this.fragment, this.userInfo,
 							this.host, this.port, this.pathBuilder.build(), this.queryParams, encoded);
-
-			return this.encodeTemplate ? uriComponents.encodeTemplate(this.charset) : uriComponents;
+			return (this.encodeTemplate ? uriComponents.encodeTemplate(this.charset) : uriComponents);
 		}
 	}
 
@@ -406,7 +405,7 @@ public class UriComponentsBuilder implements UriBuilder, Cloneable {
 	 * Build a {@code UriComponents} instance and replaces URI template variables
 	 * with the values from an array. This is a shortcut method which combines
 	 * calls to {@link #build()} and then {@link UriComponents#expand(Object...)}.
-	 * @param uriVariableValues URI variable values
+	 * @param uriVariableValues the URI variable values
 	 * @return the URI components with expanded values
 	 */
 	public UriComponents buildAndExpand(Object... uriVariableValues) {