Revise order of method declarations in WebFluxConfigurer

See gh-30678

spring-webflux/src/main/java/org/springframework/web/reactive/config/DelegatingWebFluxConfiguration.java

@@ -53,56 +53,55 @@ public class DelegatingWebFluxConfiguration extends WebFluxConfigurationSupport
 
 
 	@Override
-	protected void configureContentTypeResolver(RequestedContentTypeResolverBuilder builder) {
-		this.configurers.configureContentTypeResolver(builder);
+	protected void configureHttpMessageCodecs(ServerCodecConfigurer configurer) {
+		this.configurers.configureHttpMessageCodecs(configurer);
 	}
 
 	@Override
-	protected void addCorsMappings(CorsRegistry registry) {
-		this.configurers.addCorsMappings(registry);
+	protected void addFormatters(FormatterRegistry registry) {
+		this.configurers.addFormatters(registry);
 	}
 
 	@Override
-	public void configurePathMatching(PathMatchConfigurer configurer) {
-		this.configurers.configurePathMatching(configurer);
+	protected Validator getValidator() {
+		Validator validator = this.configurers.getValidator();
+		return (validator != null ? validator : super.getValidator());
 	}
 
 	@Override
-	protected void addResourceHandlers(ResourceHandlerRegistry registry) {
-		this.configurers.addResourceHandlers(registry);
+	protected MessageCodesResolver getMessageCodesResolver() {
+		MessageCodesResolver messageCodesResolver = this.configurers.getMessageCodesResolver();
+		return (messageCodesResolver != null ? messageCodesResolver : super.getMessageCodesResolver());
 	}
 
 	@Override
-	protected void configureArgumentResolvers(ArgumentResolverConfigurer configurer) {
-		this.configurers.configureArgumentResolvers(configurer);
+	protected void addCorsMappings(CorsRegistry registry) {
+		this.configurers.addCorsMappings(registry);
 	}
 
 	@Override
-	protected void configureHttpMessageCodecs(ServerCodecConfigurer configurer) {
-		this.configurers.configureHttpMessageCodecs(configurer);
+	protected void configureBlockingExecution(BlockingExecutionConfigurer configurer) {
+		this.configurers.configureBlockingExecution(configurer);
 	}
 
 	@Override
-	protected void addFormatters(FormatterRegistry registry) {
-		this.configurers.addFormatters(registry);
+	protected void configureContentTypeResolver(RequestedContentTypeResolverBuilder builder) {
+		this.configurers.configureContentTypeResolver(builder);
 	}
 
 	@Override
-	protected Validator getValidator() {
-		Validator validator = this.configurers.getValidator();
-		return (validator != null ? validator : super.getValidator());
+	public void configurePathMatching(PathMatchConfigurer configurer) {
+		this.configurers.configurePathMatching(configurer);
 	}
 
 	@Override
-	protected MessageCodesResolver getMessageCodesResolver() {
-		MessageCodesResolver messageCodesResolver = this.configurers.getMessageCodesResolver();
-		return (messageCodesResolver != null ? messageCodesResolver : super.getMessageCodesResolver());
+	protected void configureArgumentResolvers(ArgumentResolverConfigurer configurer) {
+		this.configurers.configureArgumentResolvers(configurer);
 	}
 
 	@Override
-	protected WebSocketService getWebSocketService() {
-		WebSocketService service = this.configurers.getWebSocketService();
-		return (service != null ? service : super.getWebSocketService());
+	protected void addResourceHandlers(ResourceHandlerRegistry registry) {
+		this.configurers.addResourceHandlers(registry);
 	}
 
 	@Override
@@ -111,7 +110,9 @@ public class DelegatingWebFluxConfiguration extends WebFluxConfigurationSupport
 	}
 
 	@Override
-	protected void configureBlockingExecution(BlockingExecutionConfigurer configurer) {
-		this.configurers.configureBlockingExecution(configurer);
+	protected WebSocketService getWebSocketService() {
+		WebSocketService service = this.configurers.getWebSocketService();
+		return (service != null ? service : super.getWebSocketService());
 	}
+
 }

spring-webflux/src/main/java/org/springframework/web/reactive/config/WebFluxConfigurer.java

@@ -45,53 +45,6 @@ import org.springframework.web.reactive.socket.server.WebSocketService;
  */
 public interface WebFluxConfigurer {
 
-	/**
-	 * Configure how the content type requested for the response is resolved
-	 * when handling requests with annotated controllers.
-	 * @param builder for configuring the resolvers to use
-	 */
-	default void configureContentTypeResolver(RequestedContentTypeResolverBuilder builder) {
-	}
-
-	/**
-	 * Configure "global" cross-origin request processing. The configured CORS
-	 * mappings apply to annotated controllers, functional endpoints, and static
-	 * resources.
-	 * <p>Annotated controllers can further declare more fine-grained config via
-	 * {@link org.springframework.web.bind.annotation.CrossOrigin @CrossOrigin}.
-	 * In such cases "global" CORS configuration declared here is
-	 * {@link org.springframework.web.cors.CorsConfiguration#combine(CorsConfiguration) combined}
-	 * with local CORS configuration defined on a controller method.
-	 * @see CorsRegistry
-	 * @see CorsConfiguration#combine(CorsConfiguration)
-	 */
-	default void addCorsMappings(CorsRegistry registry) {
-	}
-
-	/**
-	 * Configure path matching options.
-	 * <p>The configured path matching options will be used for mapping to
-	 * annotated controllers and also
-	 * {@link #addResourceHandlers(ResourceHandlerRegistry) static resources}.
-	 * @param configurer the {@link PathMatchConfigurer} instance
-	 */
-	default void configurePathMatching(PathMatchConfigurer configurer) {
-	}
-
-	/**
-	 * Add resource handlers for serving static resources.
-	 * @see ResourceHandlerRegistry
-	 */
-	default void addResourceHandlers(ResourceHandlerRegistry registry) {
-	}
-
-	/**
-	 * Configure resolvers for custom {@code @RequestMapping} method arguments.
-	 * @param configurer to configurer to use
-	 */
-	default void configureArgumentResolvers(ArgumentResolverConfigurer configurer) {
-	}
-
 	/**
 	 * Configure the HTTP message readers and writers for reading from the
 	 * request body and for writing to the response body in annotated controllers
@@ -134,15 +87,50 @@ public interface WebFluxConfigurer {
 	}
 
 	/**
-	 * Provide the {@link WebSocketService} to create
-	 * {@link org.springframework.web.reactive.socket.server.support.WebSocketHandlerAdapter}
-	 * with. This can be used to configure server-specific properties through the
-	 * {@link org.springframework.web.reactive.socket.server.RequestUpgradeStrategy}.
-	 * @since 5.3
+	 * Configure "global" cross-origin request processing. The configured CORS
+	 * mappings apply to annotated controllers, functional endpoints, and static
+	 * resources.
+	 * <p>Annotated controllers can further declare more fine-grained config via
+	 * {@link org.springframework.web.bind.annotation.CrossOrigin @CrossOrigin}.
+	 * In such cases "global" CORS configuration declared here is
+	 * {@link org.springframework.web.cors.CorsConfiguration#combine(CorsConfiguration) combined}
+	 * with local CORS configuration defined on a controller method.
+	 * @see CorsRegistry
+	 * @see CorsConfiguration#combine(CorsConfiguration)
 	 */
-	@Nullable
-	default WebSocketService getWebSocketService() {
-		return null;
+	default void addCorsMappings(CorsRegistry registry) {
+	}
+
+	/**
+	 * Configure settings related to blocking execution in WebFlux.
+	 * @since 6.1
+	 */
+	default void configureBlockingExecution(BlockingExecutionConfigurer configurer) {
+	}
+
+	/**
+	 * Configure how the content type requested for the response is resolved
+	 * when handling requests with annotated controllers.
+	 * @param builder for configuring the resolvers to use
+	 */
+	default void configureContentTypeResolver(RequestedContentTypeResolverBuilder builder) {
+	}
+
+	/**
+	 * Configure path matching options.
+	 * <p>The configured path matching options will be used for mapping to
+	 * annotated controllers and also
+	 * {@link #addResourceHandlers(ResourceHandlerRegistry) static resources}.
+	 * @param configurer the {@link PathMatchConfigurer} instance
+	 */
+	default void configurePathMatching(PathMatchConfigurer configurer) {
+	}
+
+	/**
+	 * Configure resolvers for custom {@code @RequestMapping} method arguments.
+	 * @param configurer to configurer to use
+	 */
+	default void configureArgumentResolvers(ArgumentResolverConfigurer configurer) {
 	}
 
 	/**
@@ -156,10 +144,22 @@ public interface WebFluxConfigurer {
 	}
 
 	/**
-	 * Configure settings related to blocking execution in WebFlux.
-	 * @since 6.1
+	 * Add resource handlers for serving static resources.
+	 * @see ResourceHandlerRegistry
 	 */
-	default void configureBlockingExecution(BlockingExecutionConfigurer configurer) {
+	default void addResourceHandlers(ResourceHandlerRegistry registry) {
+	}
+
+	/**
+	 * Provide the {@link WebSocketService} to create
+	 * {@link org.springframework.web.reactive.socket.server.support.WebSocketHandlerAdapter}
+	 * with. This can be used to configure server-specific properties through the
+	 * {@link org.springframework.web.reactive.socket.server.RequestUpgradeStrategy}.
+	 * @since 5.3
+	 */
+	@Nullable
+	default WebSocketService getWebSocketService() {
+		return null;
 	}
 
 }

spring-webflux/src/main/java/org/springframework/web/reactive/config/WebFluxConfigurerComposite.java

@@ -51,64 +51,64 @@ public class WebFluxConfigurerComposite implements WebFluxConfigurer {
 
 
 	@Override
-	public void configureContentTypeResolver(RequestedContentTypeResolverBuilder builder) {
-		this.delegates.forEach(delegate -> delegate.configureContentTypeResolver(builder));
+	public void configureHttpMessageCodecs(ServerCodecConfigurer configurer) {
+		this.delegates.forEach(delegate -> delegate.configureHttpMessageCodecs(configurer));
 	}
 
 	@Override
-	public void addCorsMappings(CorsRegistry registry) {
-		this.delegates.forEach(delegate -> delegate.addCorsMappings(registry));
+	public void addFormatters(FormatterRegistry registry) {
+		this.delegates.forEach(delegate -> delegate.addFormatters(registry));
 	}
 
 	@Override
-	public void configurePathMatching(PathMatchConfigurer configurer) {
-		this.delegates.forEach(delegate -> delegate.configurePathMatching(configurer));
+	public Validator getValidator() {
+		return createSingleBean(WebFluxConfigurer::getValidator, Validator.class);
 	}
 
 	@Override
-	public void addResourceHandlers(ResourceHandlerRegistry registry) {
-		this.delegates.forEach(delegate -> delegate.addResourceHandlers(registry));
+	public MessageCodesResolver getMessageCodesResolver() {
+		return createSingleBean(WebFluxConfigurer::getMessageCodesResolver, MessageCodesResolver.class);
 	}
 
-	@Nullable
 	@Override
-	public WebSocketService getWebSocketService() {
-		return createSingleBean(WebFluxConfigurer::getWebSocketService, WebSocketService.class);
+	public void addCorsMappings(CorsRegistry registry) {
+		this.delegates.forEach(delegate -> delegate.addCorsMappings(registry));
 	}
 
 	@Override
-	public void configureArgumentResolvers(ArgumentResolverConfigurer configurer) {
-		this.delegates.forEach(delegate -> delegate.configureArgumentResolvers(configurer));
+	public void configureBlockingExecution(BlockingExecutionConfigurer configurer) {
+		this.delegates.forEach(delegate -> delegate.configureBlockingExecution(configurer));
 	}
 
 	@Override
-	public void configureHttpMessageCodecs(ServerCodecConfigurer configurer) {
-		this.delegates.forEach(delegate -> delegate.configureHttpMessageCodecs(configurer));
+	public void configureContentTypeResolver(RequestedContentTypeResolverBuilder builder) {
+		this.delegates.forEach(delegate -> delegate.configureContentTypeResolver(builder));
 	}
 
 	@Override
-	public void addFormatters(FormatterRegistry registry) {
-		this.delegates.forEach(delegate -> delegate.addFormatters(registry));
+	public void configurePathMatching(PathMatchConfigurer configurer) {
+		this.delegates.forEach(delegate -> delegate.configurePathMatching(configurer));
 	}
 
 	@Override
-	public Validator getValidator() {
-		return createSingleBean(WebFluxConfigurer::getValidator, Validator.class);
+	public void configureArgumentResolvers(ArgumentResolverConfigurer configurer) {
+		this.delegates.forEach(delegate -> delegate.configureArgumentResolvers(configurer));
 	}
 
 	@Override
-	public MessageCodesResolver getMessageCodesResolver() {
-		return createSingleBean(WebFluxConfigurer::getMessageCodesResolver, MessageCodesResolver.class);
+	public void configureViewResolvers(ViewResolverRegistry registry) {
+		this.delegates.forEach(delegate -> delegate.configureViewResolvers(registry));
 	}
 
 	@Override
-	public void configureViewResolvers(ViewResolverRegistry registry) {
-		this.delegates.forEach(delegate -> delegate.configureViewResolvers(registry));
+	public void addResourceHandlers(ResourceHandlerRegistry registry) {
+		this.delegates.forEach(delegate -> delegate.addResourceHandlers(registry));
 	}
 
+	@Nullable
 	@Override
-	public void configureBlockingExecution(BlockingExecutionConfigurer configurer) {
-		this.delegates.forEach(delegate -> delegate.configureBlockingExecution(configurer));
+	public WebSocketService getWebSocketService() {
+		return createSingleBean(WebFluxConfigurer::getWebSocketService, WebSocketService.class);
 	}
 
 	@Nullable