Refactor HttpRequestSpec to HttpRequestValues

HttpRequestValues is immutable and exposes a builder.

See gh-28386

Author: rstoyanchev

spring-web/src/main/java/org/springframework/web/service/invoker/HttpClientAdapter.java

@@ -33,18 +33,18 @@
  */
 public interface HttpClientAdapter {
 
-	Mono<Void> requestToVoid(HttpRequestSpec spec);
+	Mono<Void> requestToVoid(HttpRequestValues requestValues);
 
-	Mono<HttpHeaders> requestToHeaders(HttpRequestSpec spec);
+	Mono<HttpHeaders> requestToHeaders(HttpRequestValues requestValues);
 
-	<T> Mono<T> requestToBody(HttpRequestSpec spec, ParameterizedTypeReference<T> bodyType);
+	<T> Mono<T> requestToBody(HttpRequestValues requestValues, ParameterizedTypeReference<T> bodyType);
 
-	<T> Flux<T> requestToBodyFlux(HttpRequestSpec spec, ParameterizedTypeReference<T> bodyType);
+	<T> Flux<T> requestToBodyFlux(HttpRequestValues requestValues, ParameterizedTypeReference<T> bodyType);
 
-	Mono<ResponseEntity<Void>> requestToBodilessEntity(HttpRequestSpec spec);
+	Mono<ResponseEntity<Void>> requestToBodilessEntity(HttpRequestValues requestValues);
 
-	<T> Mono<ResponseEntity<T>> requestToEntity(HttpRequestSpec spec, ParameterizedTypeReference<T> bodyType);
+	<T> Mono<ResponseEntity<T>> requestToEntity(HttpRequestValues requestValues, ParameterizedTypeReference<T> bodyType);
 
-	<T> Mono<ResponseEntity<Flux<T>>> requestToEntityFlux(HttpRequestSpec spec, ParameterizedTypeReference<T> bodyType);
+	<T> Mono<ResponseEntity<Flux<T>>> requestToEntityFlux(HttpRequestValues requestValues, ParameterizedTypeReference<T> bodyType);
 
 }

spring-web/src/main/java/org/springframework/web/service/invoker/HttpMethodArgumentResolver.java

@@ -38,7 +38,7 @@ public class HttpMethodArgumentResolver implements HttpServiceArgumentResolver {
 
 	@Override
 	public void resolve(
-			@Nullable Object argument, MethodParameter parameter, HttpRequestSpec requestSpec) {
+			@Nullable Object argument, MethodParameter parameter, HttpRequestValues.Builder requestValues) {
 
 		if (argument == null) {
 			return;
@@ -47,7 +47,7 @@ public void resolve(
 			if (logger.isTraceEnabled()) {
 				logger.trace("Resolved HTTP method to: " + httpMethod.name());
 			}
-			requestSpec.setHttpMethod(httpMethod);
+			requestValues.setHttpMethod(httpMethod);
 		}
 	}