Add UriBuilderFactoryArgumentResolver

See gh-31413

framework-docs/modules/ROOT/pages/integration/rest-clients.adoc

@@ -956,6 +956,11 @@ method parameters:
 | `URI`
 | Dynamically set the URL for the request, overriding the annotation's `url` attribute.
 
+| `UriBuilderFactory`
+| Provide a `UriBuilderFactory` to use to expand the `UriTemplate`.
+  Allows dynamically setting the base URI for the request,
+  while maintaining the `path` specified through annotations.
+
 | `HttpMethod`
 | Dynamically set the HTTP method for the request, overriding the annotation's `method` attribute
 

spring-web/src/main/java/org/springframework/web/client/support/RestClientAdapter.java

@@ -16,6 +16,7 @@
 
 package org.springframework.web.client.support;
 
+import java.net.URI;
 import java.util.ArrayList;
 import java.util.List;
 
@@ -92,9 +93,19 @@ public final class RestClientAdapter implements HttpExchangeAdapter {
 		if (values.getUri() != null) {
 			bodySpec = uriSpec.uri(values.getUri());
 		}
+
 		else if (values.getUriTemplate() != null) {
-			bodySpec = uriSpec.uri(values.getUriTemplate(), values.getUriVariables());
+			if (values.getUriBuilderFactory() != null) {
+				URI expanded = values.getUriBuilderFactory()
+						.expand(values.getUriTemplate(), values.getUriVariables());
+				bodySpec = uriSpec.uri(expanded);
+			}
+
+			else {
+				bodySpec = uriSpec.uri(values.getUriTemplate(), values.getUriVariables());
+			}
 		}
+
 		else {
 			throw new IllegalStateException("Neither full URL nor URI template");
 		}

spring-web/src/main/java/org/springframework/web/client/support/RestTemplateAdapter.java

@@ -16,6 +16,7 @@
 
 package org.springframework.web.client.support;
 
+import java.net.URI;
 import java.util.ArrayList;
 import java.util.List;
 
@@ -91,9 +92,19 @@ public final class RestTemplateAdapter implements HttpExchangeAdapter {
 		if (values.getUri() != null) {
 			builder = RequestEntity.method(httpMethod, values.getUri());
 		}
+
 		else if (values.getUriTemplate() != null) {
-			builder = RequestEntity.method(httpMethod, values.getUriTemplate(), values.getUriVariables());
+			if (values.getUriBuilderFactory() != null) {
+				URI expanded = values.getUriBuilderFactory()
+						.expand(values.getUriTemplate(), values.getUriVariables());
+				builder = RequestEntity.method(httpMethod, expanded);
+			}
+
+			else {
+				builder = RequestEntity.method(httpMethod, values.getUriTemplate(), values.getUriVariables());
+			}
 		}
+
 		else {
 			throw new IllegalStateException("Neither full URL nor URI template");
 		}

spring-web/src/main/java/org/springframework/web/service/annotation/HttpExchange.java

@@ -26,6 +26,7 @@ import org.springframework.aot.hint.annotation.Reflective;
 import org.springframework.core.annotation.AliasFor;
 import org.springframework.http.HttpEntity;
 import org.springframework.web.bind.annotation.Mapping;
+import org.springframework.web.util.UriBuilderFactory;
 
 /**
  * Annotation to declare a method on an HTTP service interface as an HTTP
@@ -61,6 +62,13 @@ import org.springframework.web.bind.annotation.Mapping;
  * <td>{@link org.springframework.web.service.invoker.UrlArgumentResolver}</td>
  * </tr>
  * <tr>
+ * <td>{@link UriBuilderFactory}</td>
+ * <td>Dynamically set the {@code base URI} for the request, overriding the
+ * one from the annotation's {@link #url()} attribute, while keeping the
+ * subsequent path segments as defined there</td>
+ * <td>{@link org.springframework.web.service.invoker.UriBuilderFactoryArgumentResolver}</td>
+ * </tr>
+ * <tr>
  * <td>{@link org.springframework.http.HttpMethod HttpMethod}</td>
  * <td>Dynamically set the HTTP method for the request, overriding the annotation's
  * {@link #method()} attribute</td>

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

@@ -36,6 +36,7 @@ import org.springframework.util.Assert;
 import org.springframework.util.CollectionUtils;
 import org.springframework.util.LinkedMultiValueMap;
 import org.springframework.util.MultiValueMap;
+import org.springframework.web.util.UriBuilderFactory;
 import org.springframework.web.util.UriComponentsBuilder;
 import org.springframework.web.util.UriUtils;
 
@@ -46,6 +47,7 @@ import org.springframework.web.util.UriUtils;
  * {@link HttpExchangeAdapter} to adapt to the underlying HTTP client.
  *
  * @author Rossen Stoyanchev
+ * @author Olga Maciaszek-Sharma
  * @since 6.0
  */
 public class HttpRequestValues {
@@ -63,6 +65,9 @@ public class HttpRequestValues {
 	@Nullable
 	private final String uriTemplate;
 
+	@Nullable
+	private final UriBuilderFactory uriBuilderFactory;
+
 	private final Map<String, String> uriVariables;
 
 	private final HttpHeaders headers;
@@ -75,8 +80,27 @@ public class HttpRequestValues {
 	private final Object bodyValue;
 
 
+	/**
+	 * Construct {@link HttpRequestValues}.
+	 *
+	 * @deprecated in favour of {@link HttpRequestValues#HttpRequestValues(
+	 * HttpMethod, URI, String, UriBuilderFactory, Map, HttpHeaders,
+	 * MultiValueMap, Map, Object)} to be removed in 6.2.
+	 */
+	@Deprecated(since = "6.1", forRemoval = true)
+	protected HttpRequestValues(@Nullable HttpMethod httpMethod,
+			@Nullable URI uri, @Nullable String uriTemplate,
+			Map<String, String> uriVariables,
+			HttpHeaders headers, MultiValueMap<String, String> cookies, Map<String, Object> attributes,
+			@Nullable Object bodyValue) {
+
+		this(httpMethod, uri, uriTemplate, null, uriVariables,
+				headers, cookies, attributes, bodyValue);
+	}
+
 	protected HttpRequestValues(@Nullable HttpMethod httpMethod,
-			@Nullable URI uri, @Nullable String uriTemplate, Map<String, String> uriVariables,
+			@Nullable URI uri, @Nullable String uriTemplate,
+			@Nullable UriBuilderFactory uriBuilderFactory, Map<String, String> uriVariables,
 			HttpHeaders headers, MultiValueMap<String, String> cookies, Map<String, Object> attributes,
 			@Nullable Object bodyValue) {
 
@@ -85,6 +109,7 @@ public class HttpRequestValues {
 		this.httpMethod = httpMethod;
 		this.uri = uri;
 		this.uriTemplate = uriTemplate;
+		this.uriBuilderFactory = uriBuilderFactory;
 		this.uriVariables = uriVariables;
 		this.headers = headers;
 		this.cookies = cookies;
@@ -106,7 +131,6 @@ public class HttpRequestValues {
 	 * <p>Typically, this comes from a {@link URI} method argument, which provides
 	 * the caller with the option to override the {@link #getUriTemplate()
 	 * uriTemplate} from class and method {@code HttpExchange} annotations.
-	 * annotation.
 	 */
 	@Nullable
 	public URI getUri() {
@@ -122,6 +146,19 @@ public class HttpRequestValues {
 		return this.uriTemplate;
 	}
 
+	/**
+	 * Return the {@link UriBuilderFactory} to expand
+	 * the {@link HttpRequestValues#uriTemplate} with.
+	 * <p>This comes from a {@link UriBuilderFactory} method argument.
+	 * It allows you to override the {@code baseUri}, while keeping the
+	 * path as defined in class and method
+	 * {@code HttpExchange} annotations.
+	 */
+	@Nullable
+	public UriBuilderFactory getUriBuilderFactory() {
+		return this.uriBuilderFactory;
+	}
+
 	/**
 	 * Return the URL template variables, or an empty map.
 	 */
@@ -202,6 +239,9 @@ public class HttpRequestValues {
 		@Nullable
 		private String uriTemplate;
 
+		@Nullable
+		private UriBuilderFactory uriBuilderFactory;
+
 		@Nullable
 		private Map<String, String> uriVars;
 
@@ -249,6 +289,15 @@ public class HttpRequestValues {
 			return this;
 		}
 
+		/**
+		 * Set the {@link UriBuilderFactory} that
+		 * will be used to expand the URI.
+		 */
+		public Builder setUriBuilderFactory(@Nullable UriBuilderFactory uriBuilderFactory) {
+			this.uriBuilderFactory = uriBuilderFactory;
+			return this;
+		}
+
 		/**
 		 * Add a URI variable name-value pair.
 		 */
@@ -379,6 +428,7 @@ public class HttpRequestValues {
 
 			URI uri = this.uri;
 			String uriTemplate = (this.uriTemplate != null ? this.uriTemplate : "");
+			UriBuilderFactory uriBuilderFactory = this.uriBuilderFactory;
 			Map<String, String> uriVars = (this.uriVars != null ? new HashMap<>(this.uriVars) : Collections.emptyMap());
 
 			Object bodyValue = this.bodyValue;
@@ -420,7 +470,8 @@ public class HttpRequestValues {
 					new HashMap<>(this.attributes) : Collections.emptyMap());
 
 			return createRequestValues(
-					this.httpMethod, uri, uriTemplate, uriVars, headers, cookies, attributes, bodyValue);
+					this.httpMethod, uri, uriTemplate, uriBuilderFactory,
+					uriVars, headers, cookies, attributes, bodyValue);
 		}
 
 		protected boolean hasParts() {
@@ -459,14 +510,37 @@ public class HttpRequestValues {
 			return uriComponentsBuilder.build().toUriString();
 		}
 
+		/**
+		 * Create {@link HttpRequestValues} from values passed to the {@link Builder}.
+		 * @deprecated in favour of {@link Builder#createRequestValues(
+		 * HttpMethod, URI, String, UriBuilderFactory, Map, HttpHeaders,
+		 * MultiValueMap, Map, Object)} to be removed in 6.2.
+		 */
+		@Deprecated(since = "6.1", forRemoval = true)
+		protected HttpRequestValues createRequestValues(
+				@Nullable HttpMethod httpMethod,
+				@Nullable URI uri, @Nullable String uriTemplate,
+				Map<String, String> uriVars,
+				HttpHeaders headers, MultiValueMap<String, String> cookies, Map<String, Object> attributes,
+				@Nullable Object bodyValue) {
+
+			return createRequestValues(httpMethod, uri, uriTemplate, null,
+					uriVars, headers, cookies, attributes, bodyValue);
+		}
+
+		/**
+		 * Create {@link HttpRequestValues} from values passed to the {@link Builder}.
+		 */
 		protected HttpRequestValues createRequestValues(
 				@Nullable HttpMethod httpMethod,
-				@Nullable URI uri, @Nullable String uriTemplate, Map<String, String> uriVars,
+				@Nullable URI uri, @Nullable String uriTemplate,
+				@Nullable UriBuilderFactory uriBuilderFactory, Map<String, String> uriVars,
 				HttpHeaders headers, MultiValueMap<String, String> cookies, Map<String, Object> attributes,
 				@Nullable Object bodyValue) {
 
 			return new HttpRequestValues(
-					this.httpMethod, uri, uriTemplate, uriVars, headers, cookies, attributes, bodyValue);
+					this.httpMethod, uri, uriTemplate, uriBuilderFactory,
+					uriVars, headers, cookies, attributes, bodyValue);
 		}
 	}
 

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

@@ -273,6 +273,7 @@ public final class HttpServiceProxyFactory {
 
 			// Specific type
 			resolvers.add(new UrlArgumentResolver());
+			resolvers.add(new UriBuilderFactoryArgumentResolver());
 			resolvers.add(new HttpMethodArgumentResolver());
 
 			return resolvers;

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

@@ -31,11 +31,13 @@ import org.springframework.http.client.MultipartBodyBuilder;
 import org.springframework.lang.Nullable;
 import org.springframework.util.Assert;
 import org.springframework.util.MultiValueMap;
+import org.springframework.web.util.UriBuilderFactory;
 
 /**
  * {@link HttpRequestValues} extension for use with {@link ReactorHttpExchangeAdapter}.
  *
  * @author Rossen Stoyanchev
+ * @author Olga Maciaszek-Sharma
  * @since 6.1
  */
 public final class ReactiveHttpRequestValues extends HttpRequestValues {
@@ -49,11 +51,13 @@ public final class ReactiveHttpRequestValues extends HttpRequestValues {
 
 	private ReactiveHttpRequestValues(
 			@Nullable HttpMethod httpMethod,
-			@Nullable URI uri, @Nullable String uriTemplate, Map<String, String> uriVariables,
+			@Nullable URI uri, @Nullable String uriTemplate,
+			@Nullable UriBuilderFactory uriBuilderFactory, Map<String, String> uriVariables,
 			HttpHeaders headers, MultiValueMap<String, String> cookies, Map<String, Object> attributes,
 			@Nullable Object bodyValue, @Nullable Publisher<?> body, @Nullable ParameterizedTypeReference<?> elementType) {
 
-		super(httpMethod, uri, uriTemplate, uriVariables, headers, cookies, attributes, bodyValue);
+		super(httpMethod, uri, uriTemplate, uriBuilderFactory,
+				uriVariables, headers, cookies, attributes, bodyValue);
 
 		this.body = body;
 		this.bodyElementType = elementType;
@@ -136,6 +140,12 @@ public final class ReactiveHttpRequestValues extends HttpRequestValues {
 			return this;
 		}
 
+		@Override
+		public Builder setUriBuilderFactory(UriBuilderFactory uriBuilderFactory) {
+			super.setUriBuilderFactory(uriBuilderFactory);
+			return this;
+		}
+
 		@Override
 		public Builder setUriVariable(String name, String value) {
 			super.setUriVariable(name, value);
@@ -261,12 +271,14 @@ public final class ReactiveHttpRequestValues extends HttpRequestValues {
 		@Override
 		protected ReactiveHttpRequestValues createRequestValues(
 				@Nullable HttpMethod httpMethod,
-				@Nullable URI uri, @Nullable String uriTemplate, Map<String, String> uriVars,
+				@Nullable URI uri, @Nullable String uriTemplate,
+				@Nullable UriBuilderFactory uriBuilderFactory, Map<String, String> uriVars,
 				HttpHeaders headers, MultiValueMap<String, String> cookies, Map<String, Object> attributes,
 				@Nullable Object bodyValue) {
 
 			return new ReactiveHttpRequestValues(
-					httpMethod, uri, uriTemplate, uriVars, headers, cookies, attributes,
+					httpMethod, uri, uriTemplate, uriBuilderFactory,
+					uriVars, headers, cookies, attributes,
 					bodyValue, this.body, this.bodyElementType);
 		}
 

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

@@ -0,0 +1,55 @@
+/*
+ * 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.
+ * You may obtain a copy of the License at
+ *
+ *      https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.springframework.web.service.invoker;
+
+import java.net.URL;
+
+import org.springframework.core.MethodParameter;
+import org.springframework.lang.Nullable;
+import org.springframework.web.util.UriBuilderFactory;
+import org.springframework.web.util.UriTemplate;
+
+/**
+ * An {@link HttpServiceArgumentResolver} that uses the provided
+ * {@link UriBuilderFactory} to expand the {@link UriTemplate}.
+ * <p>Unlike with the {@link UrlArgumentResolver},
+ * if the {@link UriBuilderFactoryArgumentResolver} is provided,
+ * it will not override the entire {@link URL}, but just the {@code baseUri}.
+ * <p>This allows for dynamically setting the {@code baseUri},
+ * while keeping the {@code path} specified through class
+ * and method annotations.
+ *
+ * @author Olga Maciaszek-Sharma
+ * @since 6.1
+ */
+public class UriBuilderFactoryArgumentResolver implements HttpServiceArgumentResolver {
+
+	@Override
+	public boolean resolve(
+			@Nullable Object argument, MethodParameter parameter, HttpRequestValues.Builder requestValues) {
+
+		if (!parameter.getParameterType().equals(UriBuilderFactory.class)) {
+			return false;
+		}
+
+		if (argument != null) {
+			requestValues.setUriBuilderFactory((UriBuilderFactory) argument);
+		}
+
+		return true;
+	}
+}

spring-web/src/test/java/org/springframework/web/client/support/RestClientAdapterTests.java

@@ -16,6 +16,7 @@
 
 package org.springframework.web.client.support;
 
+import java.io.IOException;
 import java.lang.annotation.ElementType;
 import java.lang.annotation.Retention;
 import java.lang.annotation.RetentionPolicy;
@@ -30,6 +31,7 @@ import io.micrometer.observation.tck.TestObservationRegistryAssert;
 import okhttp3.mockwebserver.MockResponse;
 import okhttp3.mockwebserver.MockWebServer;
 import okhttp3.mockwebserver.RecordedRequest;
+import org.junit.jupiter.api.AfterEach;
 import org.junit.jupiter.params.ParameterizedTest;
 import org.junit.jupiter.params.provider.MethodSource;
 
@@ -55,6 +57,7 @@ import org.springframework.web.service.invoker.HttpExchangeAdapter;
 import org.springframework.web.service.invoker.HttpServiceProxyFactory;
 import org.springframework.web.testfixture.servlet.MockMultipartFile;
 import org.springframework.web.util.DefaultUriBuilderFactory;
+import org.springframework.web.util.UriBuilderFactory;
 
 import static org.assertj.core.api.Assertions.assertThat;
 
@@ -69,6 +72,16 @@ import static org.assertj.core.api.Assertions.assertThat;
 @SuppressWarnings("JUnitMalformedDeclaration")
 class RestClientAdapterTests {
 
+	private final MockWebServer anotherServer = anotherServer();
+
+	@SuppressWarnings("ConstantValue")
+	@AfterEach
+	void shutdown() throws IOException {
+		if (this.anotherServer != null) {
+			this.anotherServer.shutdown();
+		}
+	}
+
 	@Retention(RetentionPolicy.RUNTIME)
 	@Target(ElementType.METHOD)
 	@ParameterizedTest
@@ -203,6 +216,62 @@ class RestClientAdapterTests {
 		assertThat(request.getHeader("Cookie")).isEqualTo("testCookie=test1; testCookie=test2");
 	}
 
+	@ParameterizedAdapterTest
+	void getWithUriBuilderFactory(MockWebServer server, Service service) throws InterruptedException {
+		UriBuilderFactory factory = new DefaultUriBuilderFactory(this.anotherServer.url("/")
+				.toString());
+
+		ResponseEntity<String> actualResponse = service.getWithUriBuilderFactory(factory);
+
+		RecordedRequest request = this.anotherServer.takeRequest();
+		assertThat(actualResponse.getStatusCode()).isEqualTo(HttpStatus.OK);
+		assertThat(actualResponse.getBody()).isEqualTo("Hello Spring 2!");
+		assertThat(request.getMethod()).isEqualTo("GET");
+		assertThat(request.getPath()).isEqualTo("/greeting");
+		assertThat(server.getRequestCount()).isEqualTo(0);
+	}
+
+	@ParameterizedAdapterTest
+	void getWithFactoryPathVariableAndRequestParam(MockWebServer server, Service service) throws InterruptedException {
+		UriBuilderFactory factory = new DefaultUriBuilderFactory(this.anotherServer.url("/")
+				.toString());
+
+		ResponseEntity<String> actualResponse = service.getWithUriBuilderFactory(factory, "123",
+				"test");
+
+		RecordedRequest request = this.anotherServer.takeRequest();
+		assertThat(actualResponse.getStatusCode()).isEqualTo(HttpStatus.OK);
+		assertThat(actualResponse.getBody()).isEqualTo("Hello Spring 2!");
+		assertThat(request.getMethod()).isEqualTo("GET");
+		assertThat(request.getPath()).isEqualTo("/greeting/123?param=test");
+		assertThat(server.getRequestCount()).isEqualTo(0);
+	}
+
+	@ParameterizedAdapterTest
+	void getWithIgnoredUriBuilderFactory(MockWebServer server, Service service) throws InterruptedException {
+		URI dynamicUri = server.url("/greeting/123").uri();
+		UriBuilderFactory factory = new DefaultUriBuilderFactory(this.anotherServer.url("/")
+				.toString());
+
+		ResponseEntity<String> actualResponse = service.getWithIgnoredUriBuilderFactory(dynamicUri, factory);
+
+		RecordedRequest request = server.takeRequest();
+		assertThat(actualResponse.getStatusCode()).isEqualTo(HttpStatus.OK);
+		assertThat(actualResponse.getBody()).isEqualTo("Hello Spring!");
+		assertThat(request.getMethod()).isEqualTo("GET");
+		assertThat(request.getPath()).isEqualTo("/greeting/123");
+		assertThat(this.anotherServer.getRequestCount()).isEqualTo(0);
+	}
+
+
+	private static MockWebServer anotherServer() {
+		MockWebServer anotherServer = new MockWebServer();
+		MockResponse response = new MockResponse();
+		response.setHeader("Content-Type", "text/plain").setBody("Hello Spring 2!");
+		anotherServer.enqueue(response);
+		return anotherServer;
+	}
+
 
 	private interface Service {
 
@@ -231,6 +300,15 @@ class RestClientAdapterTests {
 		void putWithSameNameCookies(
 				@CookieValue("testCookie") String firstCookie, @CookieValue("testCookie") String secondCookie);
 
+		@GetExchange("/greeting")
+		ResponseEntity<String> getWithUriBuilderFactory(UriBuilderFactory uriBuilderFactory);
+
+		@GetExchange("/greeting/{id}")
+		ResponseEntity<String> getWithUriBuilderFactory(UriBuilderFactory uriBuilderFactory,
+				@PathVariable String id, @RequestParam String param);
+
+		@GetExchange("/greeting")
+		ResponseEntity<String> getWithIgnoredUriBuilderFactory(URI uri, UriBuilderFactory uriBuilderFactory);
 	}
 
 }

spring-web/src/test/java/org/springframework/web/service/invoker/HttpRequestValuesTests.java

@@ -45,6 +45,7 @@ class HttpRequestValuesTests {
 
 		assertThat(requestValues.getUri()).isNull();
 		assertThat(requestValues.getUriTemplate()).isEmpty();
+		assertThat(requestValues.getUriBuilderFactory()).isNull();
 	}
 
 	@ParameterizedTest

spring-web/src/test/java/org/springframework/web/service/invoker/UriBuilderFactoryArgumentResolverTests.java

@@ -0,0 +1,72 @@
+/*
+ * 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.
+ * You may obtain a copy of the License at
+ *
+ *      https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.springframework.web.service.invoker;
+
+import org.junit.jupiter.api.Test;
+
+import org.springframework.lang.Nullable;
+import org.springframework.web.service.annotation.GetExchange;
+import org.springframework.web.util.DefaultUriBuilderFactory;
+import org.springframework.web.util.UriBuilderFactory;
+
+import static org.assertj.core.api.Assertions.assertThat;
+
+/**
+ * Unit tests for {@link UriBuilderFactoryArgumentResolver}.
+ *
+ * @author Olga Maciaszek-Sharma
+ */
+class UriBuilderFactoryArgumentResolverTests {
+
+	private final TestExchangeAdapter client = new TestExchangeAdapter();
+
+	private final Service service =
+			HttpServiceProxyFactory.builderFor(this.client).build()
+					.createClient(Service.class);
+
+	@Test
+	void uriBuilderFactory(){
+		UriBuilderFactory factory = new DefaultUriBuilderFactory("https://example.com");
+		this.service.execute(factory);
+
+		assertThat(getRequestValues().getUriBuilderFactory()).isEqualTo(factory);
+		assertThat(getRequestValues().getUriTemplate()).isEqualTo("/path");
+		assertThat(getRequestValues().getUri()).isNull();
+	}
+
+	@Test
+	void ignoreNullUriBuilderFactory(){
+		this.service.execute(null);
+
+		assertThat(getRequestValues().getUriBuilderFactory()).isEqualTo(null);
+		assertThat(getRequestValues().getUriTemplate()).isEqualTo("/path");
+		assertThat(getRequestValues().getUri()).isNull();
+	}
+
+
+	private HttpRequestValues getRequestValues() {
+		return this.client.getRequestValues();
+	}
+
+
+	private interface Service {
+
+		@GetExchange("/path")
+		void execute(@Nullable UriBuilderFactory uri);
+
+	}
+}

spring-web/src/test/kotlin/org/springframework/web/client/support/KotlinRestTemplateHttpServiceProxyTests.kt

@@ -37,6 +37,7 @@ import org.springframework.web.service.annotation.PutExchange
 import org.springframework.web.service.invoker.HttpServiceProxyFactory
 import org.springframework.web.testfixture.servlet.MockMultipartFile
 import org.springframework.web.util.DefaultUriBuilderFactory
+import org.springframework.web.util.UriBuilderFactory
 import java.net.URI
 import java.util.*
 
@@ -52,10 +53,13 @@ class KotlinRestTemplateHttpServiceProxyTests {
 
     private lateinit var testService: TestService
 
+	private lateinit var anotherServer: MockWebServer
+
     @BeforeEach
     fun setUp() {
         server = MockWebServer()
         prepareResponse()
+		anotherServer = anotherServer()
         testService = initTestService()
     }
 
@@ -71,6 +75,7 @@ class KotlinRestTemplateHttpServiceProxyTests {
     @AfterEach
     fun shutDown() {
         server.shutdown()
+		anotherServer.shutdown()
     }
 
     @Test
@@ -178,12 +183,73 @@ class KotlinRestTemplateHttpServiceProxyTests {
                 .isEqualTo("testCookie=test1; testCookie=test2")
     }
 
+	@Test
+	@Throws(InterruptedException::class)
+	fun getWithUriBuilderFactory() {
+		val factory: UriBuilderFactory = DefaultUriBuilderFactory(anotherServer.url("/")
+				.toString())
+
+		val actualResponse: ResponseEntity<String> = testService
+				.getWithUriBuilderFactory(factory)
+
+		val request = anotherServer.takeRequest()
+		assertThat(actualResponse.statusCode).isEqualTo(HttpStatus.OK)
+		assertThat(actualResponse.body).isEqualTo("Hello Spring 2!")
+		assertThat(request.method).isEqualTo("GET")
+		assertThat(request.path).isEqualTo("/greeting")
+		assertThat(server.requestCount).isEqualTo(0)
+	}
+
+	@Test
+	@Throws(InterruptedException::class)
+	fun getWithFactoryPathVariableAndRequestParam() {
+		val factory: UriBuilderFactory = DefaultUriBuilderFactory(anotherServer.url("/")
+				.toString())
+
+		val actualResponse: ResponseEntity<String> = testService
+				.getWithUriBuilderFactory(factory, "123",
+				"test")
+
+		val request = anotherServer.takeRequest()
+		assertThat(actualResponse.statusCode).isEqualTo(HttpStatus.OK)
+		assertThat(actualResponse.body).isEqualTo("Hello Spring 2!")
+		assertThat(request.method).isEqualTo("GET")
+		assertThat(request.path).isEqualTo("/greeting/123?param=test")
+		assertThat(server.requestCount).isEqualTo(0)
+	}
+
+	@Test
+	@Throws(InterruptedException::class)
+	fun getWithIgnoredUriBuilderFactory() {
+		val dynamicUri = server.url("/greeting/123").uri()
+		val factory: UriBuilderFactory = DefaultUriBuilderFactory(anotherServer.url("/")
+				.toString())
+
+		val actualResponse: ResponseEntity<String> = testService
+				.getWithIgnoredUriBuilderFactory(dynamicUri, factory)
+
+		val request = server.takeRequest()
+		assertThat(actualResponse.statusCode).isEqualTo(HttpStatus.OK)
+		assertThat(actualResponse.body).isEqualTo("Hello Spring!")
+		assertThat(request.method).isEqualTo("GET")
+		assertThat(request.path).isEqualTo("/greeting/123")
+		assertThat(anotherServer.requestCount).isEqualTo(0)
+	}
+
+
     private fun prepareResponse() {
         val response = MockResponse()
         response.setHeader("Content-Type", "text/plain").setBody("Hello Spring!")
         server.enqueue(response)
     }
 
+	private fun anotherServer(): MockWebServer {
+		val anotherServer = MockWebServer()
+		val response = MockResponse()
+		response.setHeader("Content-Type", "text/plain").setBody("Hello Spring 2!")
+		anotherServer.enqueue(response)
+		return anotherServer
+	}
 
     private interface TestService {
 
@@ -213,6 +279,16 @@ class KotlinRestTemplateHttpServiceProxyTests {
         @PutExchange
         fun putRequestWithSameNameCookies(@CookieValue("testCookie") firstCookie: String,
                                           @CookieValue("testCookie") secondCookie: String)
+
+		@GetExchange("/greeting")
+		fun getWithUriBuilderFactory(uriBuilderFactory: UriBuilderFactory?): ResponseEntity<String>
+
+		@GetExchange("/greeting/{id}")
+		fun getWithUriBuilderFactory(uriBuilderFactory: UriBuilderFactory?,
+									 @PathVariable id: String?, @RequestParam param: String?): ResponseEntity<String>
+
+		@GetExchange("/greeting")
+		fun getWithIgnoredUriBuilderFactory(uri: URI?, uriBuilderFactory: UriBuilderFactory?): ResponseEntity<String>
     }
 
 }

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

@@ -16,6 +16,8 @@
 
 package org.springframework.web.reactive.function.client.support;
 
+import java.net.URI;
+
 import org.reactivestreams.Publisher;
 import reactor.core.publisher.Flux;
 import reactor.core.publisher.Mono;
@@ -96,32 +98,41 @@ public final class WebClientAdapter extends AbstractReactorHttpExchangeAdapter {
 	}
 
 	@SuppressWarnings("ReactiveStreamsUnusedPublisher")
-	private WebClient.RequestBodySpec newRequest(HttpRequestValues requestValues) {
+	private WebClient.RequestBodySpec newRequest(HttpRequestValues values) {
 
-		HttpMethod httpMethod = requestValues.getHttpMethod();
+		HttpMethod httpMethod = values.getHttpMethod();
 		Assert.notNull(httpMethod, "HttpMethod is required");
 
 		WebClient.RequestBodyUriSpec uriSpec = this.webClient.method(httpMethod);
 
 		WebClient.RequestBodySpec bodySpec;
-		if (requestValues.getUri() != null) {
+		if (values.getUri() != null) {
-			bodySpec = uriSpec.uri(requestValues.getUri());
+			bodySpec = uriSpec.uri(values.getUri());
 		}
-		else if (requestValues.getUriTemplate() != null) {
+
-			bodySpec = uriSpec.uri(requestValues.getUriTemplate(), requestValues.getUriVariables());
+		else if (values.getUriTemplate() != null) {
+			if(values.getUriBuilderFactory() != null){
+				URI expanded = values.getUriBuilderFactory()
+						.expand(values.getUriTemplate(), values.getUriVariables());
+				bodySpec = uriSpec.uri(expanded);
+			}
+
+			else {
+				bodySpec = uriSpec.uri(values.getUriTemplate(), values.getUriVariables());
+			}
 		}
 		else {
 			throw new IllegalStateException("Neither full URL nor URI template");
 		}
 
-		bodySpec.headers(headers -> headers.putAll(requestValues.getHeaders()));
+		bodySpec.headers(headers -> headers.putAll(values.getHeaders()));
-		bodySpec.cookies(cookies -> cookies.putAll(requestValues.getCookies()));
+		bodySpec.cookies(cookies -> cookies.putAll(values.getCookies()));
-		bodySpec.attributes(attributes -> attributes.putAll(requestValues.getAttributes()));
+		bodySpec.attributes(attributes -> attributes.putAll(values.getAttributes()));
 
-		if (requestValues.getBodyValue() != null) {
+		if (values.getBodyValue() != null) {
-			bodySpec.bodyValue(requestValues.getBodyValue());
+			bodySpec.bodyValue(values.getBodyValue());
 		}
-		else if (requestValues instanceof ReactiveHttpRequestValues reactiveRequestValues) {
+		else if (values instanceof ReactiveHttpRequestValues reactiveRequestValues) {
 			Publisher<?> body = reactiveRequestValues.getBodyPublisher();
 			if (body != null) {
 				ParameterizedTypeReference<?> elementType = reactiveRequestValues.getBodyPublisherElementType();

spring-webflux/src/test/java/org/springframework/web/reactive/function/client/support/WebClientAdapterTests.java

@@ -47,6 +47,8 @@ import org.springframework.web.service.annotation.GetExchange;
 import org.springframework.web.service.annotation.PostExchange;
 import org.springframework.web.service.invoker.HttpServiceProxyFactory;
 import org.springframework.web.testfixture.servlet.MockMultipartFile;
+import org.springframework.web.util.DefaultUriBuilderFactory;
+import org.springframework.web.util.UriBuilderFactory;
 
 import static org.assertj.core.api.Assertions.assertThat;
 
@@ -60,12 +62,17 @@ import static org.assertj.core.api.Assertions.assertThat;
  */
 public class WebClientAdapterTests {
 
+	private static final String ANOTHER_SERVER_RESPONSE_BODY = "Hello Spring 2!";
+
 	private MockWebServer server;
 
+	private MockWebServer anotherServer;
+
 
 	@BeforeEach
 	void setUp() {
 		this.server = new MockWebServer();
+		this.anotherServer = anotherServer();
 	}
 
 	@SuppressWarnings("ConstantConditions")
@@ -74,6 +81,10 @@ public class WebClientAdapterTests {
 		if (this.server != null) {
 			this.server.shutdown();
 		}
+
+		if (this.anotherServer != null) {
+			this.anotherServer.shutdown();
+		}
 	}
 
 
@@ -157,6 +168,60 @@ public class WebClientAdapterTests {
 						"Content-Type: text/plain;charset=UTF-8", "Content-Length: 5", "test2");
 	}
 
+	@Test
+	void uriBuilderFactory() throws Exception {
+		String ignoredResponseBody = "hello";
+		prepareResponse(response -> response.setResponseCode(200).setBody(ignoredResponseBody));
+		UriBuilderFactory factory = new DefaultUriBuilderFactory(this.anotherServer.url("/")
+				.toString());
+
+		String actualBody = initService().getWithUriBuilderFactory(factory);
+
+		assertThat(actualBody).isEqualTo(ANOTHER_SERVER_RESPONSE_BODY);
+		assertThat(this.anotherServer.takeRequest().getPath()).isEqualTo("/greeting");
+		assertThat(this.server.getRequestCount()).isEqualTo(0);
+	}
+
+	@Test
+	void uriBuilderFactoryWithPathVariableAndRequestParam() throws Exception {
+		String ignoredResponseBody = "hello";
+		prepareResponse(response -> response.setResponseCode(200).setBody(ignoredResponseBody));
+		UriBuilderFactory factory = new DefaultUriBuilderFactory(this.anotherServer.url("/")
+				.toString());
+
+		String actualBody = initService().getWithUriBuilderFactory(factory, "123", "test");
+
+		assertThat(actualBody).isEqualTo(ANOTHER_SERVER_RESPONSE_BODY);
+		assertThat(this.anotherServer.takeRequest().getPath())
+				.isEqualTo("/greeting/123?param=test");
+		assertThat(this.server.getRequestCount()).isEqualTo(0);
+	}
+
+	@Test
+	void ignoredUriBuilderFactory() throws Exception {
+		String expectedResponseBody = "hello";
+		prepareResponse(response -> response.setResponseCode(200).setBody(expectedResponseBody));
+		URI dynamicUri = this.server.url("/greeting/123").uri();
+		UriBuilderFactory factory = new DefaultUriBuilderFactory(this.anotherServer.url("/")
+				.toString());
+
+		String actualBody = initService().getWithIgnoredUriBuilderFactory(dynamicUri, factory);
+
+		assertThat(actualBody).isEqualTo(expectedResponseBody);
+		assertThat(this.server.takeRequest().getRequestUrl().uri()).isEqualTo(dynamicUri);
+		assertThat(this.anotherServer.getRequestCount()).isEqualTo(0);
+	}
+
+
+	private static MockWebServer anotherServer() {
+		MockWebServer anotherServer = new MockWebServer();
+		MockResponse response = new MockResponse();
+		response.setHeader("Content-Type", "text/plain")
+				.setBody(ANOTHER_SERVER_RESPONSE_BODY);
+		anotherServer.enqueue(response);
+		return anotherServer;
+	}
+
 	private Service initService() {
 		WebClient webClient = WebClient.builder().baseUrl(this.server.url("/").toString()).build();
 		return initService(webClient);
@@ -191,6 +256,16 @@ public class WebClientAdapterTests {
 		@PostExchange
 		void postMultipart(MultipartFile file, @RequestPart String anotherPart);
 
+		@GetExchange("/greeting")
+		String getWithUriBuilderFactory(UriBuilderFactory uriBuilderFactory);
+
+		@GetExchange("/greeting/{id}")
+		String getWithUriBuilderFactory(UriBuilderFactory uriBuilderFactory,
+				@PathVariable String id, @RequestParam String param);
+
+		@GetExchange("/greeting")
+		String getWithIgnoredUriBuilderFactory(URI uri, UriBuilderFactory uriBuilderFactory);
+
 	}
 
 }

spring-webflux/src/test/kotlin/org/springframework/web/reactive/function/client/support/WebClientHttpServiceProxyKotlinTests.kt

@@ -22,15 +22,22 @@ import org.assertj.core.api.Assertions.assertThat
 import org.junit.jupiter.api.AfterEach
 import org.junit.jupiter.api.BeforeEach
 import org.junit.jupiter.api.Test
+import org.springframework.http.HttpStatus
+import org.springframework.http.ResponseEntity
+import org.springframework.web.bind.annotation.PathVariable
 import org.springframework.web.bind.annotation.RequestAttribute
+import org.springframework.web.bind.annotation.RequestParam
 import org.springframework.web.reactive.function.client.ClientRequest
 import org.springframework.web.reactive.function.client.ExchangeFunction
 import org.springframework.web.reactive.function.client.WebClient
 import org.springframework.web.service.annotation.GetExchange
 import org.springframework.web.service.invoker.HttpServiceProxyFactory
 import org.springframework.web.service.invoker.createClient
+import org.springframework.web.util.DefaultUriBuilderFactory
+import org.springframework.web.util.UriBuilderFactory
 import reactor.core.publisher.Mono
 import reactor.test.StepVerifier
+import java.net.URI
 import java.time.Duration
 import java.util.function.Consumer
 
@@ -40,20 +47,24 @@ import java.util.function.Consumer
  *
  * @author DongHyeon Kim
  * @author Sebastien Deleuze
+ * @author Olga Maciaszek-Sharma
  */
-@Suppress("DEPRECATION")
 class KotlinWebClientHttpServiceProxyTests {
 
 	private lateinit var server: MockWebServer
 
+	private lateinit var anotherServer: MockWebServer
+
 	@BeforeEach
 	fun setUp() {
 		server = MockWebServer()
+		anotherServer = anotherServer()
 	}
 
 	@AfterEach
 	fun shutdown() {
 		server.shutdown()
+		anotherServer.shutdown()
 	}
 
 	@Test
@@ -120,6 +131,55 @@ class KotlinWebClientHttpServiceProxyTests {
 		}
 	}
 
+	@Test
+	@Throws(InterruptedException::class)
+	fun getWithFactoryPathVariableAndRequestParam() {
+		prepareResponse { response: MockResponse ->
+			response.setHeader(
+					"Content-Type",
+					"text/plain"
+			).setBody("Hello Spring!")
+		}
+		val factory: UriBuilderFactory = DefaultUriBuilderFactory(anotherServer.url("/")
+				.toString())
+
+		val actualResponse: ResponseEntity<String> = initHttpService()
+				.getWithUriBuilderFactory(factory, "123",
+						"test")
+
+		val request = anotherServer.takeRequest()
+		assertThat(actualResponse.statusCode).isEqualTo(HttpStatus.OK)
+		assertThat(actualResponse.body).isEqualTo("Hello Spring 2!")
+		assertThat(request.method).isEqualTo("GET")
+		assertThat(request.path).isEqualTo("/greeting/123?param=test")
+		assertThat(server.requestCount).isEqualTo(0)
+	}
+
+	@Test
+	@Throws(InterruptedException::class)
+	fun getWithIgnoredUriBuilderFactory() {
+		prepareResponse { response: MockResponse ->
+			response.setHeader(
+					"Content-Type",
+					"text/plain"
+			).setBody("Hello Spring!")
+		}
+		val dynamicUri = server.url("/greeting/123").uri()
+		val factory: UriBuilderFactory = DefaultUriBuilderFactory(anotherServer.url("/")
+				.toString())
+
+		val actualResponse: ResponseEntity<String> = initHttpService()
+				.getWithIgnoredUriBuilderFactory(dynamicUri, factory)
+
+		val request = server.takeRequest()
+		assertThat(actualResponse.statusCode).isEqualTo(HttpStatus.OK)
+		assertThat(actualResponse.body).isEqualTo("Hello Spring!")
+		assertThat(request.method).isEqualTo("GET")
+		assertThat(request.path).isEqualTo("/greeting/123")
+		assertThat(anotherServer.requestCount).isEqualTo(0)
+	}
+
+
 	private fun initHttpService(): TestHttpService {
 		val webClient = WebClient.builder().baseUrl(
 			server.url("/").toString()
@@ -138,6 +198,14 @@ class KotlinWebClientHttpServiceProxyTests {
 		server.enqueue(response)
 	}
 
+	private fun anotherServer(): MockWebServer {
+		val anotherServer = MockWebServer()
+		val response = MockResponse()
+		response.setHeader("Content-Type", "text/plain").setBody("Hello Spring 2!")
+		anotherServer.enqueue(response)
+		return anotherServer
+	}
+
 	private interface TestHttpService {
 		@GetExchange("/greeting")
 		suspend fun getGreetingSuspending(): String
@@ -150,5 +218,12 @@ class KotlinWebClientHttpServiceProxyTests {
 
 		@GetExchange("/greeting")
 		suspend fun getGreetingSuspendingWithAttribute(@RequestAttribute myAttribute: String): String
+
+		@GetExchange("/greeting/{id}")
+		fun getWithUriBuilderFactory(uriBuilderFactory: UriBuilderFactory?,
+									 @PathVariable id: String?, @RequestParam param: String?): ResponseEntity<String>
+
+		@GetExchange("/greeting")
+		fun getWithIgnoredUriBuilderFactory(uri: URI?, uriBuilderFactory: UriBuilderFactory?): ResponseEntity<String>
 	}
 }