Polishing regarding JDK baseline upgrade

Closes gh-28440

spring-aop/src/main/java/org/springframework/aop/aspectj/autoproxy/AspectJAwareAdvisorAutoProxyCreator.java

@@ -143,13 +143,12 @@ public class AspectJAwareAdvisorAutoProxyCreator extends AbstractAdvisorAutoProx
 			Advice advice = this.advisor.getAdvice();
 			StringBuilder sb = new StringBuilder(ClassUtils.getShortName(advice.getClass()));
 			boolean appended = false;
-			if (this.advisor instanceof Ordered) {
-				sb.append(": order = ").append(((Ordered) this.advisor).getOrder());
+			if (this.advisor instanceof Ordered ordered) {
+				sb.append(": order = ").append(ordered.getOrder());
 				appended = true;
 			}
-			if (advice instanceof AbstractAspectJAdvice) {
+			if (advice instanceof AbstractAspectJAdvice ajAdvice) {
 				sb.append(!appended ? ": " : ", ");
-				AbstractAspectJAdvice ajAdvice = (AbstractAspectJAdvice) advice;
 				sb.append("aspect name = ");
 				sb.append(ajAdvice.getAspectName());
 				sb.append(", declaration order = ");

spring-aop/src/main/java/org/springframework/aop/framework/ProxyFactoryBean.java

@@ -556,7 +556,7 @@ public class ProxyFactoryBean extends ProxyCreatorSupport
 				logger.debug("Refreshing target with name '" + this.targetName + "'");
 			}
 			Object target = this.beanFactory.getBean(this.targetName);
-			return (target instanceof TargetSource ? (TargetSource) target : new SingletonTargetSource(target));
+			return (target instanceof TargetSource targetSource ? targetSource : new SingletonTargetSource(target));
 		}
 	}
 

spring-aop/src/main/java/org/springframework/aop/scope/ScopedProxyUtils.java

@@ -80,8 +80,8 @@ public abstract class ScopedProxyUtils {
 		// Copy autowire settings from original bean definition.
 		proxyDefinition.setAutowireCandidate(targetDefinition.isAutowireCandidate());
 		proxyDefinition.setPrimary(targetDefinition.isPrimary());
-		if (targetDefinition instanceof AbstractBeanDefinition) {
-			proxyDefinition.copyQualifiersFrom((AbstractBeanDefinition) targetDefinition);
+		if (targetDefinition instanceof AbstractBeanDefinition abd) {
+			proxyDefinition.copyQualifiersFrom(abd);
 		}
 
 		// The target bean should be ignored in favor of the scoped proxy.

spring-aop/src/main/java/org/springframework/aop/support/AbstractPointcutAdvisor.java

@@ -52,8 +52,8 @@ public abstract class AbstractPointcutAdvisor implements PointcutAdvisor, Ordere
 			return this.order;
 		}
 		Advice advice = getAdvice();
-		if (advice instanceof Ordered) {
-			return ((Ordered) advice).getOrder();
+		if (advice instanceof Ordered ordered) {
+			return ordered.getOrder();
 		}
 		return Ordered.LOWEST_PRECEDENCE;
 	}

spring-beans/src/main/java/org/springframework/beans/AbstractNestablePropertyAccessor.java

@@ -841,7 +841,7 @@ public abstract class AbstractNestablePropertyAccessor extends AbstractPropertyA
 		PropertyTokenHolder tokens = getPropertyNameTokens(nestedProperty);
 		String canonicalName = tokens.canonicalName;
 		Object value = getPropertyValue(tokens);
-		if (value == null || (value instanceof Optional && !((Optional<?>) value).isPresent())) {
+		if (value == null || (value instanceof Optional<?> optional && optional.isEmpty()) {
 			if (isAutoGrowNestedPaths()) {
 				value = setDefaultValue(tokens);
 			}

spring-beans/src/main/java/org/springframework/beans/factory/BeanFactoryUtils.java

@@ -162,9 +162,8 @@ public abstract class BeanFactoryUtils {
 		Assert.notNull(lbf, "ListableBeanFactory must not be null");
 		String[] result = lbf.getBeanNamesForType(type);
 		if (lbf instanceof HierarchicalBeanFactory hbf) {
-			if (hbf.getParentBeanFactory() instanceof ListableBeanFactory) {
-				String[] parentResult = beanNamesForTypeIncludingAncestors(
-						(ListableBeanFactory) hbf.getParentBeanFactory(), type);
+			if (hbf.getParentBeanFactory() instanceof ListableBeanFactory pbf) {
+				String[] parentResult = beanNamesForTypeIncludingAncestors(pbf, type);
 				result = mergeNamesWithParent(result, parentResult, hbf);
 			}
 		}
@@ -225,9 +224,8 @@ public abstract class BeanFactoryUtils {
 		Assert.notNull(lbf, "ListableBeanFactory must not be null");
 		String[] result = lbf.getBeanNamesForType(type);
 		if (lbf instanceof HierarchicalBeanFactory hbf) {
-			if (hbf.getParentBeanFactory() instanceof ListableBeanFactory) {
-				String[] parentResult = beanNamesForTypeIncludingAncestors(
-						(ListableBeanFactory) hbf.getParentBeanFactory(), type);
+			if (hbf.getParentBeanFactory() instanceof ListableBeanFactory pbf) {
+				String[] parentResult = beanNamesForTypeIncludingAncestors(pbf, type);
 				result = mergeNamesWithParent(result, parentResult, hbf);
 			}
 		}
@@ -371,9 +369,8 @@ public abstract class BeanFactoryUtils {
 		Map<String, T> result = new LinkedHashMap<>(4);
 		result.putAll(lbf.getBeansOfType(type, includeNonSingletons, allowEagerInit));
 		if (lbf instanceof HierarchicalBeanFactory hbf) {
-			if (hbf.getParentBeanFactory() instanceof ListableBeanFactory) {
-				Map<String, T> parentResult = beansOfTypeIncludingAncestors(
-						(ListableBeanFactory) hbf.getParentBeanFactory(), type, includeNonSingletons, allowEagerInit);
+			if (hbf.getParentBeanFactory() instanceof ListableBeanFactory pbf) {
+				Map<String, T> parentResult = beansOfTypeIncludingAncestors(pbf, type, includeNonSingletons, allowEagerInit);
 				parentResult.forEach((beanName, beanInstance) -> {
 					if (!result.containsKey(beanName) && !hbf.containsLocalBean(beanName)) {
 						result.put(beanName, beanInstance);

spring-messaging/src/main/java/org/springframework/messaging/handler/HandlerMethod.java

@@ -286,9 +286,8 @@ public class HandlerMethod {
 	 */
 	public HandlerMethod createWithResolvedBean() {
 		Object handler = this.bean;
-		if (this.bean instanceof String) {
+		if (this.bean instanceof String beanName) {
 			Assert.state(this.beanFactory != null, "Cannot resolve bean name without BeanFactory");
-			String beanName = (String) this.bean;
 			handler = this.beanFactory.getBean(beanName);
 		}
 		return new HandlerMethod(this, handler);

spring-web/src/testFixtures/java/org/springframework/web/testfixture/servlet/MockHttpServletResponse.java

@@ -692,7 +692,7 @@ public class MockHttpServletResponse implements HttpServletResponse {
 			return true;
 		}
 		else if (HttpHeaders.CONTENT_LENGTH.equalsIgnoreCase(name)) {
-			setContentLength(value instanceof Number ? ((Number) value).intValue() :
+			setContentLength(value instanceof Number number ? number.intValue() :
 					Integer.parseInt(value.toString()));
 			return true;
 		}

spring-webmvc/src/main/java/org/springframework/web/servlet/mvc/method/annotation/RequestMappingHandlerAdapter.java

@@ -549,8 +549,8 @@ public class RequestMappingHandlerAdapter extends AbstractHandlerMethodAdapter
 	 */
 	@Override
 	public void setBeanFactory(BeanFactory beanFactory) {
-		if (beanFactory instanceof ConfigurableBeanFactory) {
-			this.beanFactory = (ConfigurableBeanFactory) beanFactory;
+		if (beanFactory instanceof ConfigurableBeanFactory cbf) {
+			this.beanFactory = cbf;
 		}
 	}
 
@@ -1010,8 +1010,8 @@ public class RequestMappingHandlerAdapter extends AbstractHandlerMethodAdapter
 		if (!mavContainer.isViewReference()) {
 			mav.setView((View) mavContainer.getView());
 		}
-		if (model instanceof RedirectAttributes) {
-			Map<String, ?> flashAttributes = ((RedirectAttributes) model).getFlashAttributes();
+		if (model instanceof RedirectAttributes redirectAttributes) {
+			Map<String, ?> flashAttributes = redirectAttributes.getFlashAttributes();
 			HttpServletRequest request = webRequest.getNativeRequest(HttpServletRequest.class);
 			if (request != null) {
 				RequestContextUtils.getOutputFlashMap(request).putAll(flashAttributes);