Polishing

Closes gh-34081

spring-web/src/main/java/org/springframework/http/client/reactive/JdkClientHttpConnector.java

@@ -37,6 +37,7 @@ import org.springframework.http.HttpHeaders;
 import org.springframework.http.HttpMethod;
 import org.springframework.http.ResponseCookie;
 import org.springframework.util.Assert;
+import org.springframework.util.MultiValueMap;
 
 /**
  * {@link ClientHttpConnector} for the Java {@link HttpClient}.
@@ -99,7 +100,7 @@ public class JdkClientHttpConnector implements ClientHttpConnector {
 	}
 
 	/**
-	 * Set the underlying {@code HttpClient}'s read timeout as a {@code Duration}.
+	 * Set the underlying {@code HttpClient} read timeout as a {@code Duration}.
 	 * <p>Default is the system's default timeout.
 	 * @since 6.2
 	 * @see java.net.http.HttpRequest.Builder#timeout
@@ -126,21 +127,23 @@ public class JdkClientHttpConnector implements ClientHttpConnector {
 	public Mono<ClientHttpResponse> connect(
 			HttpMethod method, URI uri, Function<? super ClientHttpRequest, Mono<Void>> requestCallback) {
 
-		JdkClientHttpRequest jdkClientHttpRequest = new JdkClientHttpRequest(method, uri, this.bufferFactory,
-				this.readTimeout);
+		JdkClientHttpRequest request =
+				new JdkClientHttpRequest(method, uri, this.bufferFactory, this.readTimeout);
 
-		return requestCallback.apply(jdkClientHttpRequest).then(Mono.defer(() -> {
-			HttpRequest httpRequest = jdkClientHttpRequest.getNativeRequest();
+		return requestCallback.apply(request).then(Mono.defer(() -> {
+			HttpRequest nativeRequest = request.getNativeRequest();
 
 			CompletableFuture<HttpResponse<Flow.Publisher<List<ByteBuffer>>>> future =
-					this.httpClient.sendAsync(httpRequest, HttpResponse.BodyHandlers.ofPublisher());
+					this.httpClient.sendAsync(nativeRequest, HttpResponse.BodyHandlers.ofPublisher());
 
-			return Mono.fromCompletionStage(future)
-					.map(response -> {
-						List<String> headers = response.headers().allValues(HttpHeaders.SET_COOKIE);
-						return new JdkClientHttpResponse(response, this.bufferFactory, this.cookieParser.parse(headers));
-					});
+			return Mono.fromCompletionStage(future).map(response ->
+					new JdkClientHttpResponse(response, this.bufferFactory, parseCookies(response)));
 		}));
 	}
 
+	private MultiValueMap<String, ResponseCookie> parseCookies(HttpResponse<?> response) {
+		List<String> headers = response.headers().allValues(HttpHeaders.SET_COOKIE);
+		return this.cookieParser.parse(headers);
+	}
+
 }

spring-web/src/main/java/org/springframework/http/client/reactive/JdkClientHttpRequest.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2024 the original author or authors.
+ * Copyright 2002-2025 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.
@@ -59,8 +59,9 @@ class JdkClientHttpRequest extends AbstractClientHttpRequest {
 	private final HttpRequest.Builder builder;
 
 
-	public JdkClientHttpRequest(HttpMethod httpMethod, URI uri, DataBufferFactory bufferFactory,
-								@Nullable Duration readTimeout) {
+	public JdkClientHttpRequest(
+			HttpMethod httpMethod, URI uri, DataBufferFactory bufferFactory, @Nullable Duration readTimeout) {
+
 		Assert.notNull(httpMethod, "HttpMethod is required");
 		Assert.notNull(uri, "URI is required");
 		Assert.notNull(bufferFactory, "DataBufferFactory is required");
@@ -97,32 +98,6 @@ class JdkClientHttpRequest extends AbstractClientHttpRequest {
 	}
 
 
-	@Override
-	protected void applyHeaders() {
-		for (Map.Entry<String, List<String>> entry : getHeaders().headerSet()) {
-			if (entry.getKey().equalsIgnoreCase(HttpHeaders.CONTENT_LENGTH)) {
-				// content-length is specified when writing
-				continue;
-			}
-			for (String value : entry.getValue()) {
-				this.builder.header(entry.getKey(), value);
-			}
-		}
-		if (!getHeaders().containsHeader(HttpHeaders.ACCEPT)) {
-			this.builder.header(HttpHeaders.ACCEPT, "*/*");
-		}
-	}
-
-	@Override
-	protected void applyCookies() {
-		MultiValueMap<String, HttpCookie> cookies = getCookies();
-		if (cookies.isEmpty()) {
-			return;
-		}
-		this.builder.header(HttpHeaders.COOKIE, cookies.values().stream()
-				.flatMap(List::stream).map(HttpCookie::toString).collect(Collectors.joining(";")));
-	}
-
 	@Override
 	public Mono<Void> writeWith(Publisher<? extends DataBuffer> body) {
 		return doCommit(() -> {
@@ -162,4 +137,30 @@ class JdkClientHttpRequest extends AbstractClientHttpRequest {
 		});
 	}
 
+	@Override
+	protected void applyHeaders() {
+		for (Map.Entry<String, List<String>> entry : getHeaders().headerSet()) {
+			if (entry.getKey().equalsIgnoreCase(HttpHeaders.CONTENT_LENGTH)) {
+				// content-length is specified when writing
+				continue;
+			}
+			for (String value : entry.getValue()) {
+				this.builder.header(entry.getKey(), value);
+			}
+		}
+		if (!getHeaders().containsHeader(HttpHeaders.ACCEPT)) {
+			this.builder.header(HttpHeaders.ACCEPT, "*/*");
+		}
+	}
+
+	@Override
+	protected void applyCookies() {
+		MultiValueMap<String, HttpCookie> cookies = getCookies();
+		if (cookies.isEmpty()) {
+			return;
+		}
+		this.builder.header(HttpHeaders.COOKIE, cookies.values().stream()
+				.flatMap(List::stream).map(HttpCookie::toString).collect(Collectors.joining(";")));
+	}
+
 }

spring-web/src/main/java/org/springframework/http/client/reactive/JdkClientHttpResponse.java

@@ -47,7 +47,8 @@ import org.springframework.util.MultiValueMap;
  */
 class JdkClientHttpResponse extends AbstractClientHttpResponse {
 
-	public JdkClientHttpResponse(HttpResponse<Flow.Publisher<List<ByteBuffer>>> response,
+	public JdkClientHttpResponse(
+			HttpResponse<Flow.Publisher<List<ByteBuffer>>> response,
 			DataBufferFactory bufferFactory, MultiValueMap<String, ResponseCookie> cookies) {
 
 		super(HttpStatusCode.valueOf(response.statusCode()),
@@ -63,7 +64,9 @@ class JdkClientHttpResponse extends AbstractClientHttpResponse {
 		return HttpHeaders.readOnlyHttpHeaders(multiValueMap);
 	}
 
-	private static Flux<DataBuffer> adaptBody(HttpResponse<Flow.Publisher<List<ByteBuffer>>> response, DataBufferFactory bufferFactory) {
+	private static Flux<DataBuffer> adaptBody(
+			HttpResponse<Flow.Publisher<List<ByteBuffer>>> response, DataBufferFactory bufferFactory) {
+
 		return JdkFlowAdapter.flowPublisherToFlux(response.body())
 				.flatMapIterable(Function.identity())
 				.map(bufferFactory::wrap)

spring-web/src/main/java/org/springframework/http/client/reactive/JettyClientHttpConnector.java

@@ -22,6 +22,7 @@ import java.util.function.Function;
 
 import org.eclipse.jetty.client.HttpClient;
 import org.eclipse.jetty.client.Request;
+import org.eclipse.jetty.reactive.client.ReactiveResponse;
 import org.jspecify.annotations.Nullable;
 import reactor.core.publisher.Flux;
 import reactor.core.publisher.Mono;
@@ -32,6 +33,7 @@ import org.springframework.http.HttpHeaders;
 import org.springframework.http.HttpMethod;
 import org.springframework.http.ResponseCookie;
 import org.springframework.util.Assert;
+import org.springframework.util.MultiValueMap;
 
 /**
  * {@link ClientHttpConnector} for the Jetty Reactive Streams HttpClient.
@@ -126,11 +128,15 @@ public class JettyClientHttpConnector implements ClientHttpConnector {
 
 	private Mono<ClientHttpResponse> execute(JettyClientHttpRequest request) {
 		return Mono.fromDirect(request.toReactiveRequest()
-				.response((reactiveResponse, chunkPublisher) -> {
+				.response((response, chunkPublisher) -> {
 					Flux<DataBuffer> content = Flux.from(chunkPublisher).map(this.bufferFactory::wrap);
-					List<String> headers = reactiveResponse.getHeaders().getValuesList(HttpHeaders.SET_COOKIE);
-					return Mono.just(new JettyClientHttpResponse(reactiveResponse, content, this.cookieParser.parse(headers)));
+					return Mono.just(new JettyClientHttpResponse(response, content, parseCookies(response)));
 				}));
 	}
 
+	private MultiValueMap<String, ResponseCookie> parseCookies(ReactiveResponse response) {
+		List<String> headers = response.getHeaders().getValuesList(HttpHeaders.SET_COOKIE);
+		return this.cookieParser.parse(headers);
+	}
+
 }

spring-web/src/main/java/org/springframework/http/client/reactive/JettyClientHttpRequest.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2024 the original author or authors.
+ * Copyright 2002-2025 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.
@@ -72,11 +72,6 @@ class JettyClientHttpRequest extends AbstractClientHttpRequest {
 		return this.jettyRequest.getURI();
 	}
 
-	@Override
-	public Mono<Void> setComplete() {
-		return doCommit();
-	}
-
 	@Override
 	public DataBufferFactory bufferFactory() {
 		return this.bufferFactory;
@@ -88,6 +83,12 @@ class JettyClientHttpRequest extends AbstractClientHttpRequest {
 		return (T) this.jettyRequest;
 	}
 
+	@Override
+	protected HttpHeaders initReadOnlyHeaders() {
+		return HttpHeaders.readOnlyHttpHeaders(new JettyHeadersAdapter(this.jettyRequest.getHeaders()));
+	}
+
+
 	@Override
 	public Mono<Void> writeWith(Publisher<? extends DataBuffer> body) {
 		return Mono.<Void>create(sink -> {
@@ -108,13 +109,7 @@ class JettyClientHttpRequest extends AbstractClientHttpRequest {
 				.doOnDiscard(DataBuffer.class, DataBufferUtils::release));
 	}
 
-	private String getContentType() {
-		MediaType contentType = getHeaders().getContentType();
-		return contentType != null ? contentType.toString() : MediaType.APPLICATION_OCTET_STREAM_VALUE;
-	}
-
 	private List<Content.Chunk> toContentChunks(DataBuffer dataBuffer) {
-
 		List<Content.Chunk> result = new ArrayList<>(1);
 		DataBuffer.ByteBufferIterator iterator = dataBuffer.readableByteBuffers();
 		while (iterator.hasNext()) {
@@ -131,11 +126,14 @@ class JettyClientHttpRequest extends AbstractClientHttpRequest {
 		return result;
 	}
 
+	private String getContentType() {
+		MediaType contentType = getHeaders().getContentType();
+		return (contentType != null ? contentType.toString() : MediaType.APPLICATION_OCTET_STREAM_VALUE);
+	}
+
 	@Override
-	protected void applyCookies() {
-		getCookies().values().stream().flatMap(Collection::stream)
-				.map(cookie -> HttpCookie.build(cookie.getName(), cookie.getValue()).build())
-				.forEach(this.jettyRequest::cookie);
+	public Mono<Void> setComplete() {
+		return doCommit();
 	}
 
 	@Override
@@ -150,8 +148,10 @@ class JettyClientHttpRequest extends AbstractClientHttpRequest {
 	}
 
 	@Override
-	protected HttpHeaders initReadOnlyHeaders() {
-		return HttpHeaders.readOnlyHttpHeaders(new JettyHeadersAdapter(this.jettyRequest.getHeaders()));
+	protected void applyCookies() {
+		getCookies().values().stream().flatMap(Collection::stream)
+				.map(cookie -> HttpCookie.build(cookie.getName(), cookie.getValue()).build())
+				.forEach(this.jettyRequest::cookie);
 	}
 
 	@Override

spring-web/src/main/java/org/springframework/http/client/reactive/JettyClientHttpResponse.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2024 the original author or authors.
+ * Copyright 2002-2025 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.
@@ -37,10 +37,10 @@ import org.springframework.util.MultiValueMap;
 class JettyClientHttpResponse extends AbstractClientHttpResponse {
 
 	public JettyClientHttpResponse(
-			ReactiveResponse reactiveResponse, Flux<DataBuffer> content,
+			ReactiveResponse response, Flux<DataBuffer> content,
 			MultiValueMap<String, ResponseCookie> cookies) {
 
-		super(HttpStatusCode.valueOf(reactiveResponse.getStatus()), adaptHeaders(reactiveResponse), cookies, content);
+		super(HttpStatusCode.valueOf(response.getStatus()), adaptHeaders(response), cookies, content);
 	}
 
 	private static HttpHeaders adaptHeaders(ReactiveResponse response) {