Expose HttpRequest from ClientResponse

Closes gh-28397

Author: rstoyanchev

spring-webflux/src/main/java/org/springframework/web/reactive/function/client/ClientResponse.java

@@ -72,6 +72,12 @@ public interface ClientResponse {
 	 */
 	ExchangeStrategies strategies();
 
+	/**
+	 * Return the request associated with the response.
+	 * @since 6.1
+	 */
+	HttpRequest request();
+
 	/**
 	 * Extract the body with the given {@code BodyExtractor}.
 	 * @param extractor the {@code BodyExtractor} that reads from the response

spring-webflux/src/main/java/org/springframework/web/reactive/function/client/DefaultClientResponse.java

@@ -262,8 +262,8 @@ public String logPrefix() {
 		return this.logPrefix;
 	}
 
-	// Used by DefaultClientResponseBuilder
-	HttpRequest request() {
+	@Override
+	public HttpRequest request() {
 		return this.requestSupplier.get();
 	}
 

spring-webflux/src/main/java/org/springframework/web/reactive/function/client/support/ClientResponseWrapper.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2022 the original author or authors.
+ * Copyright 2002-2023 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.
@@ -25,6 +25,7 @@
 
 import org.springframework.core.ParameterizedTypeReference;
 import org.springframework.http.HttpHeaders;
+import org.springframework.http.HttpRequest;
 import org.springframework.http.HttpStatusCode;
 import org.springframework.http.MediaType;
 import org.springframework.http.ResponseCookie;
@@ -68,11 +69,6 @@ public ClientResponse response() {
 		return this.delegate;
 	}
 
-	@Override
-	public ExchangeStrategies strategies() {
-		return this.delegate.strategies();
-	}
-
 	@Override
 	public HttpStatusCode statusCode() {
 		return this.delegate.statusCode();
@@ -88,6 +84,16 @@ public MultiValueMap<String, ResponseCookie> cookies() {
 		return this.delegate.cookies();
 	}
 
+	@Override
+	public ExchangeStrategies strategies() {
+		return this.delegate.strategies();
+	}
+
+	@Override
+	public HttpRequest request() {
+		return this.delegate.request();
+	}
+
 	@Override
 	public <T> T body(BodyExtractor<T, ? super ClientHttpResponse> extractor) {
 		return this.delegate.body(extractor);