Polishing

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

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2023 the original author or authors.
+ * Copyright 2002-2024 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -29,9 +29,11 @@ import org.springframework.util.ObjectUtils;
 
 /**
  * A simple descriptor for an injection point, pointing to a method/constructor
- * parameter or a field. Exposed by {@link UnsatisfiedDependencyException}.
- * Also available as an argument for factory methods, reacting to the
- * requesting injection point for building a customized bean instance.
+ * parameter or a field.
+ *
+ * <p>Exposed by {@link UnsatisfiedDependencyException}. Also available as an
+ * argument for factory methods, reacting to the requesting injection point
+ * for building a customized bean instance.
  *
  * @author Juergen Hoeller
  * @since 4.3

spring-beans/src/main/java/org/springframework/beans/factory/aot/DefaultBeanRegistrationCodeFragments.java

@@ -64,8 +64,8 @@ class DefaultBeanRegistrationCodeFragments implements BeanRegistrationCodeFragme
 	private final Supplier<InstantiationDescriptor> instantiationDescriptor;
 
 
-	DefaultBeanRegistrationCodeFragments(BeanRegistrationsCode beanRegistrationsCode,
-			RegisteredBean registeredBean,
+	DefaultBeanRegistrationCodeFragments(
+			BeanRegistrationsCode beanRegistrationsCode, RegisteredBean registeredBean,
 			BeanDefinitionMethodGeneratorFactory beanDefinitionMethodGeneratorFactory) {
 
 		this.beanRegistrationsCode = beanRegistrationsCode;

spring-beans/src/main/java/org/springframework/beans/factory/config/DependencyDescriptor.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2023 the original author or authors.
+ * Copyright 2002-2024 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -148,10 +148,10 @@ public class DependencyDescriptor extends InjectionPoint implements Serializable
 		this.parameterTypes = original.parameterTypes;
 		this.parameterIndex = original.parameterIndex;
 		this.fieldName = original.fieldName;
-		this.containingClass = original.containingClass;
 		this.required = original.required;
 		this.eager = original.eager;
 		this.nestingLevel = original.nestingLevel;
+		this.containingClass = original.containingClass;
 	}
 
 

spring-beans/src/main/java/org/springframework/beans/factory/support/DefaultListableBeanFactory.java

@@ -488,8 +488,8 @@ public class DefaultListableBeanFactory extends AbstractAutowireCapableBeanFacto
 			return namedBean.getBeanInstance();
 		}
 		BeanFactory parent = getParentBeanFactory();
-		if (parent instanceof DefaultListableBeanFactory dlfb) {
-			return dlfb.resolveBean(requiredType, args, nonUniqueAsNull);
+		if (parent instanceof DefaultListableBeanFactory dlbf) {
+			return dlbf.resolveBean(requiredType, args, nonUniqueAsNull);
 		}
 		else if (parent != null) {
 			ObjectProvider<T> parentProvider = parent.getBeanProvider(requiredType);

spring-core/src/main/java/org/springframework/aot/generate/AccessControl.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2023 the original author or authors.
+ * Copyright 2002-2024 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -45,11 +45,13 @@ public final class AccessControl {
 
 	private final Visibility visibility;
 
+
 	AccessControl(Class<?> target, Visibility visibility) {
 		this.target = target;
 		this.visibility = visibility;
 	}
 
+
 	/**
 	 * Create an {@link AccessControl} for the given member. This considers the
 	 * member modifier, parameter types, return types and any enclosing classes.
@@ -68,8 +70,7 @@ public final class AccessControl {
 	 * @return the {@link AccessControl} for the type
 	 */
 	public static AccessControl forResolvableType(ResolvableType resolvableType) {
-		return new AccessControl(resolvableType.toClass(),
-				Visibility.forResolvableType(resolvableType));
+		return new AccessControl(resolvableType.toClass(), Visibility.forResolvableType(resolvableType));
 	}
 
 	/**
@@ -87,8 +88,8 @@ public final class AccessControl {
 	 * @return the lowest {@link AccessControl} from the candidates
 	 */
 	public static AccessControl lowest(AccessControl... candidates) {
-		int index = Visibility.lowestIndex(Arrays.stream(candidates)
-				.map(AccessControl::getVisibility).toArray(Visibility[]::new));
+		int index = Visibility.lowestIndex(
+				Arrays.stream(candidates).map(AccessControl::getVisibility).toArray(Visibility[]::new));
 		return candidates[index];
 	}
 
@@ -125,6 +126,7 @@ public final class AccessControl {
 		return this.target.getPackageName().equals(type.packageName());
 	}
 
+
 	/**
 	 * Access visibility types as determined by the <a href=
 	 * "https://docs.oracle.com/javase/tutorial/java/javaOO/accesscontrol.html">modifiers</a>
@@ -270,6 +272,6 @@ public final class AccessControl {
 			}
 			return index;
 		}
-
 	}
+
 }

spring-core/src/main/java/org/springframework/aot/hint/JavaSerializationHint.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2023 the original author or authors.
+ * Copyright 2002-2024 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -28,21 +28,22 @@ import org.springframework.lang.Nullable;
  * @author Brian Clozel
  * @since 6.0
  */
-public class JavaSerializationHint implements ConditionalHint {
+public final class JavaSerializationHint implements ConditionalHint {
 
 	private final TypeReference type;
 
 	@Nullable
 	private final TypeReference reachableType;
 
+
 	JavaSerializationHint(Builder builder) {
 		this.type = builder.type;
 		this.reachableType = builder.reachableType;
 	}
 
+
 	/**
-	 * Return the {@link TypeReference type} that needs to be serialized using
-	 * Java serialization at runtime.
+	 * Return the {@link TypeReference type} that needs to be serialized using Java serialization at runtime.
 	 * @return a {@link Serializable} type
 	 */
 	public TypeReference getType() {
@@ -56,16 +57,9 @@ public class JavaSerializationHint implements ConditionalHint {
 	}
 
 	@Override
-	public boolean equals(@Nullable Object o) {
-		if (this == o) {
-			return true;
-		}
-		if (o == null || getClass() != o.getClass()) {
-			return false;
-		}
-		JavaSerializationHint that = (JavaSerializationHint) o;
-		return this.type.equals(that.type)
-				&& Objects.equals(this.reachableType, that.reachableType);
+	public boolean equals(@Nullable Object other) {
+		return (this == other || (other instanceof JavaSerializationHint that &&
+				this.type.equals(that.type) && Objects.equals(this.reachableType, that.reachableType)));
 	}
 
 	@Override
@@ -84,16 +78,13 @@ public class JavaSerializationHint implements ConditionalHint {
 		@Nullable
 		private TypeReference reachableType;
 
-
 		Builder(TypeReference type) {
 			this.type = type;
 		}
 
 		/**
-		 * Make this hint conditional on the fact that the specified type
-		 * can be resolved.
-		 * @param reachableType the type that should be reachable for this
-		 * hint to apply
+		 * Make this hint conditional on the fact that the specified type can be resolved.
+		 * @param reachableType the type that should be reachable for this hint to apply
 		 * @return {@code this}, to facilitate method chaining
 		 */
 		public Builder onReachableType(TypeReference reachableType) {
@@ -108,6 +99,6 @@ public class JavaSerializationHint implements ConditionalHint {
 		JavaSerializationHint build() {
 			return new JavaSerializationHint(this);
 		}
-
 	}
+
 }

spring-core/src/main/java/org/springframework/aot/hint/JdkProxyHint.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2023 the original author or authors.
+ * Copyright 2002-2024 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -62,6 +62,7 @@ public final class JdkProxyHint implements ConditionalHint {
 		return new Builder().proxiedInterfaces(proxiedInterfaces);
 	}
 
+
 	/**
 	 * Return the interfaces to be proxied.
 	 * @return the interfaces that the proxy should implement
@@ -77,16 +78,10 @@ public final class JdkProxyHint implements ConditionalHint {
 	}
 
 	@Override
-	public boolean equals(@Nullable Object o) {
-		if (this == o) {
-			return true;
-		}
-		if (o == null || getClass() != o.getClass()) {
-			return false;
-		}
-		JdkProxyHint that = (JdkProxyHint) o;
-		return this.proxiedInterfaces.equals(that.proxiedInterfaces)
-				&& Objects.equals(this.reachableType, that.reachableType);
+	public boolean equals(@Nullable Object other) {
+		return (this == other || (other instanceof JdkProxyHint that &&
+				this.proxiedInterfaces.equals(that.proxiedInterfaces) &&
+				Objects.equals(this.reachableType, that.reachableType)));
 	}
 
 	@Override
@@ -105,7 +100,6 @@ public final class JdkProxyHint implements ConditionalHint {
 		@Nullable
 		private TypeReference reachableType;
 
-
 		Builder() {
 			this.proxiedInterfaces = new LinkedList<>();
 		}
@@ -131,10 +125,8 @@ public final class JdkProxyHint implements ConditionalHint {
 		}
 
 		/**
-		 * Make this hint conditional on the fact that the specified type
-		 * can be resolved.
-		 * @param reachableType the type that should be reachable for this
-		 * hint to apply
+		 * Make this hint conditional on the fact that the specified type can be resolved.
+		 * @param reachableType the type that should be reachable for this hint to apply
 		 * @return {@code this}, to facilitate method chaining
 		 */
 		public Builder onReachableType(TypeReference reachableType) {
@@ -160,7 +152,6 @@ public final class JdkProxyHint implements ConditionalHint {
 			}
 			return TypeReference.listOf(proxiedInterfaces);
 		}
-
 	}
 
 }

spring-core/src/main/java/org/springframework/aot/hint/ResourceBundleHint.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2023 the original author or authors.
+ * Copyright 2002-2024 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -41,9 +41,9 @@ public final class ResourceBundleHint implements ConditionalHint {
 		this.reachableType = builder.reachableType;
 	}
 
+
 	/**
 	 * Return the {@code baseName} of the resource bundle.
-	 * @return the base name
 	 */
 	public String getBaseName() {
 		return this.baseName;
@@ -56,16 +56,9 @@ public final class ResourceBundleHint implements ConditionalHint {
 	}
 
 	@Override
-	public boolean equals(@Nullable Object o) {
-		if (this == o) {
-			return true;
-		}
-		if (o == null || getClass() != o.getClass()) {
-			return false;
-		}
-		ResourceBundleHint that = (ResourceBundleHint) o;
-		return this.baseName.equals(that.baseName)
-				&& Objects.equals(this.reachableType, that.reachableType);
+	public boolean equals(@Nullable Object other) {
+		return (this == other || (other instanceof ResourceBundleHint that &&
+				this.baseName.equals(that.baseName) && Objects.equals(this.reachableType, that.reachableType)));
 	}
 
 	@Override
@@ -73,6 +66,7 @@ public final class ResourceBundleHint implements ConditionalHint {
 		return Objects.hash(this.baseName, this.reachableType);
 	}
 
+
 	/**
 	 * Builder for {@link ResourceBundleHint}.
 	 */
@@ -88,10 +82,8 @@ public final class ResourceBundleHint implements ConditionalHint {
 		}
 
 		/**
-		 * Make this hint conditional on the fact that the specified type
-		 * can be resolved.
-		 * @param reachableType the type that should be reachable for this
-		 * hint to apply
+		 * Make this hint conditional on the fact that the specified type can be resolved.
+		 * @param reachableType the type that should be reachable for this hint to apply
 		 * @return {@code this}, to facilitate method chaining
 		 */
 		public Builder onReachableType(TypeReference reachableType) {
@@ -109,14 +101,12 @@ public final class ResourceBundleHint implements ConditionalHint {
 		}
 
 		/**
-		 * Creates a {@link ResourceBundleHint} based on the state of this
-		 * builder.
+		 * Create a {@link ResourceBundleHint} based on the state of this builder.
 		 * @return a resource bundle hint
 		 */
 		ResourceBundleHint build() {
 			return new ResourceBundleHint(this);
 		}
-
 	}
 
 }

spring-core/src/main/java/org/springframework/aot/hint/ResourcePatternHint.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2023 the original author or authors.
+ * Copyright 2002-2024 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -71,7 +71,6 @@ public final class ResourcePatternHint implements ConditionalHint {
 
 	/**
 	 * Return the pattern to use for identifying the resources to match.
-	 * @return the pattern
 	 */
 	public String getPattern() {
 		return this.pattern;
@@ -79,7 +78,6 @@ public final class ResourcePatternHint implements ConditionalHint {
 
 	/**
 	 * Return the regex {@link Pattern} to use for identifying the resources to match.
-	 * @return the regex pattern
 	 */
 	public Pattern toRegex() {
 		String prefix = (this.pattern.startsWith("*") ? ".*" : "");
@@ -98,16 +96,9 @@ public final class ResourcePatternHint implements ConditionalHint {
 	}
 
 	@Override
-	public boolean equals(@Nullable Object o) {
-		if (this == o) {
-			return true;
-		}
-		if (o == null || getClass() != o.getClass()) {
-			return false;
-		}
-		ResourcePatternHint that = (ResourcePatternHint) o;
-		return this.pattern.equals(that.pattern)
-				&& Objects.equals(this.reachableType, that.reachableType);
+	public boolean equals(@Nullable Object other) {
+		return (this == other || (other instanceof ResourcePatternHint that &&
+				this.pattern.equals(that.pattern) && Objects.equals(this.reachableType, that.reachableType)));
 	}
 
 	@Override

spring-core/src/main/java/org/springframework/aot/hint/TypeHint.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2023 the original author or authors.
+ * Copyright 2002-2024 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -23,7 +23,6 @@ import java.util.List;
 import java.util.Map;
 import java.util.Objects;
 import java.util.Set;
-import java.util.StringJoiner;
 import java.util.function.Consumer;
 import java.util.stream.Collectors;
 import java.util.stream.Stream;
@@ -75,6 +74,7 @@ public final class TypeHint implements ConditionalHint {
 		return new Builder(type);
 	}
 
+
 	/**
 	 * Return the type that this hint handles.
 	 * @return the type
@@ -123,9 +123,7 @@ public final class TypeHint implements ConditionalHint {
 
 	@Override
 	public String toString() {
-		return new StringJoiner(", ", TypeHint.class.getSimpleName() + "[", "]")
-				.add("type=" + this.type)
-				.toString();
+		return TypeHint.class.getSimpleName() + "[type=" + this.type + "]";
 	}
 
 	/**
@@ -157,16 +155,14 @@ public final class TypeHint implements ConditionalHint {
 
 		private final Set<MemberCategory> memberCategories = new HashSet<>();
 
-
 		Builder(TypeReference type) {
 			this.type = type;
 		}
 
 		/**
-		 * Make this hint conditional on the fact that the specified type
-		 * is in a reachable code path from a static analysis point of view.
-		 * @param reachableType the type that should be reachable for this
-		 * hint to apply
+		 * Make this hint conditional on the fact that the specified type is in a
+		 * reachable code path from a static analysis point of view.
+		 * @param reachableType the type that should be reachable for this hint to apply
 		 * @return {@code this}, to facilitate method chaining
 		 */
 		public Builder onReachableType(TypeReference reachableType) {
@@ -175,10 +171,9 @@ public final class TypeHint implements ConditionalHint {
 		}
 
 		/**
-		 * Make this hint conditional on the fact that the specified type
-		 * is in a reachable code path from a static analysis point of view.
-		 * @param reachableType the type that should be reachable for this
-		 * hint to apply
+		 * Make this hint conditional on the fact that the specified type is in a
+		 * reachable code path from a static analysis point of view.
+		 * @param reachableType the type that should be reachable for this hint to apply
 		 * @return {@code this}, to facilitate method chaining
 		 */
 		public Builder onReachableType(Class<?> reachableType) {
@@ -215,8 +210,9 @@ public final class TypeHint implements ConditionalHint {
 		 * constructor
 		 * @return {@code this}, to facilitate method chaining
 		 */
-		private Builder withConstructor(List<TypeReference> parameterTypes,
-				Consumer<ExecutableHint.Builder> constructorHint) {
+		private Builder withConstructor(
+				List<TypeReference> parameterTypes, Consumer<ExecutableHint.Builder> constructorHint) {
+
 			ExecutableKey key = new ExecutableKey("<init>", parameterTypes);
 			ExecutableHint.Builder builder = this.constructors.computeIfAbsent(key,
 					k -> ExecutableHint.ofConstructor(parameterTypes));
@@ -271,38 +267,30 @@ public final class TypeHint implements ConditionalHint {
 		TypeHint build() {
 			return new TypeHint(this);
 		}
-
 	}
 
+
 	private static final class ExecutableKey {
 
 		private final String name;
 
 		private final List<String> parameterTypes;
 
-
 		private ExecutableKey(String name, List<TypeReference> parameterTypes) {
 			this.name = name;
 			this.parameterTypes = parameterTypes.stream().map(TypeReference::getCanonicalName).toList();
 		}
 
 		@Override
-		public boolean equals(@Nullable Object o) {
-			if (this == o) {
-				return true;
-			}
-			if (o == null || getClass() != o.getClass()) {
-				return false;
-			}
-			ExecutableKey that = (ExecutableKey) o;
-			return this.name.equals(that.name) && this.parameterTypes.equals(that.parameterTypes);
+		public boolean equals(@Nullable Object other) {
+			return (this == other || (other instanceof ExecutableKey that &&
+					this.name.equals(that.name) && this.parameterTypes.equals(that.parameterTypes)));
 		}
 
 		@Override
 		public int hashCode() {
 			return Objects.hash(this.name, this.parameterTypes);
 		}
-
 	}
 
 }

spring-web/src/main/java/org/springframework/http/server/reactive/DefaultServerHttpRequestBuilder.java

@@ -187,7 +187,6 @@ class DefaultServerHttpRequestBuilder implements ServerHttpRequest.Builder {
 
 		private final ServerHttpRequest originalRequest;
 
-
 		public MutatedServerHttpRequest(URI uri, @Nullable String contextPath,
 				HttpMethod method, @Nullable SslInfo sslInfo, @Nullable InetSocketAddress remoteAddress,
 				HttpHeaders headers, Flux<DataBuffer> body, ServerHttpRequest originalRequest) {
@@ -227,7 +226,6 @@ class DefaultServerHttpRequestBuilder implements ServerHttpRequest.Builder {
 			return this.body;
 		}
 
-		@SuppressWarnings("unchecked")
 		@Override
 		public <T> T getNativeRequest() {
 			return ServerHttpRequestDecorator.getNativeRequest(this.originalRequest);

spring-web/src/main/java/org/springframework/http/server/reactive/ServerHttpRequestDecorator.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2022 the original author or authors.
+ * Copyright 2002-2024 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -113,6 +113,11 @@ public class ServerHttpRequestDecorator implements ServerHttpRequest {
 		return getDelegate().getBody();
 	}
 
+	@Override
+	public String toString() {
+		return getClass().getSimpleName() + " [delegate=" + getDelegate() + "]";
+	}
+
 
 	/**
 	 * Return the native request of the underlying server API, if possible,
@@ -130,15 +135,8 @@ public class ServerHttpRequestDecorator implements ServerHttpRequest {
 			return getNativeRequest(serverHttpRequestDecorator.getDelegate());
 		}
 		else {
-			throw new IllegalArgumentException(
-					"Can't find native request in " + request.getClass().getName());
+			throw new IllegalArgumentException("Cannot find native request in " + request.getClass().getName());
 		}
 	}
 
-
-	@Override
-	public String toString() {
-		return getClass().getSimpleName() + " [delegate=" + getDelegate() + "]";
-	}
-
 }