Deprecate UnAuthenticatedServerOAuth2AuthorizedClientRepository

Fixes gh-8016

oauth2/oauth2-client/src/main/java/org/springframework/security/oauth2/client/web/server/UnAuthenticatedServerOAuth2AuthorizedClientRepository.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2019 the original author or authors.
+ * Copyright 2002-2020 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.
@@ -19,22 +19,26 @@ package org.springframework.security.oauth2.client.web.server;
 import org.springframework.security.authentication.AuthenticationTrustResolver;
 import org.springframework.security.authentication.AuthenticationTrustResolverImpl;
 import org.springframework.security.core.Authentication;
+import org.springframework.security.oauth2.client.AuthorizedClientServiceReactiveOAuth2AuthorizedClientManager;
 import org.springframework.security.oauth2.client.OAuth2AuthorizedClient;
 import org.springframework.util.Assert;
 import org.springframework.web.server.ServerWebExchange;
 import reactor.core.publisher.Mono;
 
-import java.util.concurrent.ConcurrentHashMap;
 import java.util.Map;
+import java.util.concurrent.ConcurrentHashMap;
 
 /**
  * Provides support for an unauthenticated user. This is useful when running as a process with no
  * user associated to it. The implementation ensures that {@link ServerWebExchange} is null and that the
  * {@link Authentication} is either null or anonymous to prevent using it incorrectly.
  *
+ * @deprecated Use {@link AuthorizedClientServiceReactiveOAuth2AuthorizedClientManager} instead
+ *
  * @author Rob Winch
  * @since 5.1
  */
+@Deprecated
 public class UnAuthenticatedServerOAuth2AuthorizedClientRepository implements ServerOAuth2AuthorizedClientRepository {
 	private final AuthenticationTrustResolver trustResolver = new AuthenticationTrustResolverImpl();