Expose handler to ApiVersionDeprecationHandler implementations

Closes gh-35750

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

@@ -35,9 +35,12 @@ public interface ApiVersionDeprecationHandler {
 	 * accordingly, e.g. by setting response headers to signal the deprecation,
 	 * to specify relevant dates and provide links to further details.
 	 * @param version the resolved and parsed request version
+	 * @param handler the handler chosen for the request
 	 * @param request the current request
 	 * @param response the current response
 	 */
-	void handleVersion(Comparable<?> version, HttpServletRequest request, HttpServletResponse response);
+	void handleVersion(
+			Comparable<?> version, Object handler,
+			HttpServletRequest request, HttpServletResponse response);
 
 }

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

@@ -91,10 +91,12 @@ public interface ApiVersionStrategy {
 	 * accordingly, e.g. by setting response headers to signal the deprecation,
 	 * to specify relevant dates and provide links to further details.
 	 * @param version the resolved and parsed request version
+	 * @param handler the handler chosen for the request
 	 * @param request the current request
 	 * @param response the current response
 	 * @see ApiVersionDeprecationHandler
 	 */
-	void handleDeprecations(Comparable<?> version, HttpServletRequest request, HttpServletResponse response);
+	void handleDeprecations(
+			Comparable<?> version, Object handler, HttpServletRequest request, HttpServletResponse response);
 
 }

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

@@ -180,9 +180,11 @@ public class DefaultApiVersionStrategy implements ApiVersionStrategy {
 	}
 
 	@Override
-	public void handleDeprecations(Comparable<?> version, HttpServletRequest request, HttpServletResponse response) {
+	public void handleDeprecations(
+			Comparable<?> version, Object handler, HttpServletRequest request, HttpServletResponse response) {
+
 		if (this.deprecationHandler != null) {
-			this.deprecationHandler.handleVersion(version, request, response);
+			this.deprecationHandler.handleVersion(version, handler, request, response);
 		}
 	}
 

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

@@ -87,7 +87,8 @@ public class StandardApiVersionDeprecationHandler implements ApiVersionDeprecati
 
 	@Override
 	public void handleVersion(
-			Comparable<?> requestVersion, HttpServletRequest request, HttpServletResponse response) {
+			Comparable<?> requestVersion, Object handler,
+			HttpServletRequest request, HttpServletResponse response) {
 
 		for (VersionInfo info : this.infos.values()) {
 			if (info.match(requestVersion, request)) {