Make URI template variables nullable

Closes gh-34221

spring-web/src/testFixtures/java/org/springframework/web/testfixture/http/server/reactive/MockServerHttpRequest.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2023 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.
@@ -120,7 +120,7 @@ public final class MockServerHttpRequest extends AbstractServerHttpRequest {
 	 * @param uriVars zero or more URI variables
 	 * @return the created builder
 	 */
-	public static BaseBuilder<?> get(String urlTemplate, Object... uriVars) {
+	public static BaseBuilder<?> get(String urlTemplate, @Nullable Object... uriVars) {
 		return method(HttpMethod.GET, urlTemplate, uriVars);
 	}
 
@@ -130,7 +130,7 @@ public final class MockServerHttpRequest extends AbstractServerHttpRequest {
 	 * @param uriVars zero or more URI variables
 	 * @return the created builder
 	 */
-	public static BaseBuilder<?> head(String urlTemplate, Object... uriVars) {
+	public static BaseBuilder<?> head(String urlTemplate, @Nullable Object... uriVars) {
 		return method(HttpMethod.HEAD, urlTemplate, uriVars);
 	}
 
@@ -140,7 +140,7 @@ public final class MockServerHttpRequest extends AbstractServerHttpRequest {
 	 * @param uriVars zero or more URI variables
 	 * @return the created builder
 	 */
-	public static BodyBuilder post(String urlTemplate, Object... uriVars) {
+	public static BodyBuilder post(String urlTemplate, @Nullable Object... uriVars) {
 		return method(HttpMethod.POST, urlTemplate, uriVars);
 	}
 
@@ -151,7 +151,7 @@ public final class MockServerHttpRequest extends AbstractServerHttpRequest {
 	 * @param uriVars zero or more URI variables
 	 * @return the created builder
 	 */
-	public static BodyBuilder put(String urlTemplate, Object... uriVars) {
+	public static BodyBuilder put(String urlTemplate, @Nullable Object... uriVars) {
 		return method(HttpMethod.PUT, urlTemplate, uriVars);
 	}
 
@@ -161,7 +161,7 @@ public final class MockServerHttpRequest extends AbstractServerHttpRequest {
 	 * @param uriVars zero or more URI variables
 	 * @return the created builder
 	 */
-	public static BodyBuilder patch(String urlTemplate, Object... uriVars) {
+	public static BodyBuilder patch(String urlTemplate, @Nullable Object... uriVars) {
 		return method(HttpMethod.PATCH, urlTemplate, uriVars);
 	}
 
@@ -171,7 +171,7 @@ public final class MockServerHttpRequest extends AbstractServerHttpRequest {
 	 * @param uriVars zero or more URI variables
 	 * @return the created builder
 	 */
-	public static BaseBuilder<?> delete(String urlTemplate, Object... uriVars) {
+	public static BaseBuilder<?> delete(String urlTemplate, @Nullable Object... uriVars) {
 		return method(HttpMethod.DELETE, urlTemplate, uriVars);
 	}
 
@@ -181,7 +181,7 @@ public final class MockServerHttpRequest extends AbstractServerHttpRequest {
 	 * @param uriVars zero or more URI variables
 	 * @return the created builder
 	 */
-	public static BaseBuilder<?> options(String urlTemplate, Object... uriVars) {
+	public static BaseBuilder<?> options(String urlTemplate, @Nullable Object... uriVars) {
 		return method(HttpMethod.OPTIONS, urlTemplate, uriVars);
 	}
 
@@ -206,7 +206,7 @@ public final class MockServerHttpRequest extends AbstractServerHttpRequest {
 	 * @param vars variables to expand into the template
 	 * @return the created builder
 	 */
-	public static BodyBuilder method(HttpMethod method, String uri, Object... vars) {
+	public static BodyBuilder method(HttpMethod method, String uri, @Nullable Object... vars) {
 		return method(method, toUri(uri, vars));
 	}
 
@@ -221,12 +221,12 @@ public final class MockServerHttpRequest extends AbstractServerHttpRequest {
 	 * @deprecated in favor of {@link #method(HttpMethod, String, Object...)}
 	 */
 	@Deprecated
-	public static BodyBuilder method(String httpMethod, String uri, Object... vars) {
+	public static BodyBuilder method(String httpMethod, String uri, @Nullable Object... vars) {
 		Assert.isTrue(StringUtils.hasText(httpMethod), "HTTP method is required.");
 		return new DefaultBodyBuilder(HttpMethod.valueOf(httpMethod), toUri(uri, vars));
 	}
 
-	private static URI toUri(String uri, Object[] vars) {
+	private static URI toUri(String uri, @Nullable Object[] vars) {
 		return UriComponentsBuilder.fromUriString(uri).buildAndExpand(vars).encode().toUri();
 	}