Add dedicated ApiVersionResolver implementations

Closes gh-35747

spring-web/src/main/java/org/springframework/web/accept/HeaderApiVersionResolver.java

@@ -0,0 +1,44 @@
+/*
+ * Copyright 2002-present 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.accept;
+
+
+import jakarta.servlet.http.HttpServletRequest;
+import org.jspecify.annotations.Nullable;
+
+/**
+ * {@link ApiVersionResolver} that extract the version from a header.
+ *
+ * @author Rossen Stoyanchev
+ * @since 7.0
+ */
+public class HeaderApiVersionResolver implements ApiVersionResolver {
+
+	private final String headerName;
+
+
+	public HeaderApiVersionResolver(String headerName) {
+		this.headerName = headerName;
+	}
+
+
+	@Override
+	public @Nullable String resolveVersion(HttpServletRequest request) {
+		return request.getHeader(this.headerName);
+	}
+
+}