Revert accidental changes

servlet/spring-boot/java/oauth2/restclient/src/main/java/example/RestClientConfiguration.java

@@ -41,7 +41,7 @@ public class RestClientConfiguration {
 		this.baseUrl = baseUrl;
 	}
 
-//	@Bean
+	@Bean
 	public RestClient restClient(OAuth2AuthorizedClientManager authorizedClientManager,
 			OAuth2AuthorizedClientRepository authorizedClientRepository,
 			OAuth2ClientHttpRequestInterceptor.ClientRegistrationIdResolver clientRegistrationIdResolver,

servlet/spring-boot/java/oauth2/restclient/src/main/java/example/SecurityConfiguration.java

@@ -19,25 +19,10 @@ package example;
 import org.springframework.beans.factory.annotation.Value;
 import org.springframework.context.annotation.Bean;
 import org.springframework.context.annotation.Configuration;
-import org.springframework.core.convert.converter.Converter;
-import org.springframework.http.converter.FormHttpMessageConverter;
 import org.springframework.security.config.Customizer;
 import org.springframework.security.config.annotation.web.builders.HttpSecurity;
 import org.springframework.security.config.annotation.web.configuration.EnableWebSecurity;
-import org.springframework.security.oauth2.client.endpoint.OAuth2AccessTokenResponseClient;
-import org.springframework.security.oauth2.client.endpoint.OAuth2ClientCredentialsGrantRequest;
-import org.springframework.security.oauth2.client.endpoint.RestClientClientCredentialsTokenResponseClient;
-import org.springframework.security.oauth2.client.http.OAuth2ErrorResponseErrorHandler;
-import org.springframework.security.oauth2.core.endpoint.OAuth2AccessTokenResponse;
-import org.springframework.security.oauth2.core.endpoint.OAuth2ParameterNames;
-import org.springframework.security.oauth2.core.http.converter.OAuth2AccessTokenResponseHttpMessageConverter;
 import org.springframework.security.web.SecurityFilterChain;
-import org.springframework.security.web.util.matcher.RequestMatcher;
-import org.springframework.util.LinkedMultiValueMap;
-import org.springframework.util.MultiValueMap;
-import org.springframework.web.client.RestClient;
-import org.springframework.web.context.request.RequestContextHolder;
-import org.springframework.web.context.request.ServletRequestAttributes;
 
 /**
  * Security configuration for {@link OAuth2RestClientApplication}.
@@ -77,55 +62,4 @@ public class SecurityConfiguration {
 		return http.build();
 	}
 
-	@Bean
-	public OAuth2AccessTokenResponseClient<OAuth2ClientCredentialsGrantRequest> clientCredentialsAccessTokenResponseClient() {
-		RequestMatcher requestMatcher = (request) -> false;
-		Converter<OAuth2ClientCredentialsGrantRequest, MultiValueMap<String, String>> parametersConverter = (grantRequest) -> {
-			LinkedMultiValueMap<String, String> parameters = new LinkedMultiValueMap<>();
-			if (grantRequest.getClientRegistration().getRegistrationId().equals("okta")) {
-				parameters.set(OAuth2ParameterNames.CLIENT_ID, "my-client");
-			}
-			return parameters;
-		};
-
-		RestClientClientCredentialsTokenResponseClient accessTokenResponseClient =
-			new RestClientClientCredentialsTokenResponseClient();
-		accessTokenResponseClient.setParametersConverter(parametersConverter);
-
-		return accessTokenResponseClient;
-	}
-
-	private static Converter<OAuth2ClientCredentialsGrantRequest, MultiValueMap<String, String>> parametersConverter() {
-		RequestMatcher requestMatcher = (request) -> false;
-		return (grantRequest) -> {
-			ServletRequestAttributes requestAttributes = (ServletRequestAttributes) RequestContextHolder.getRequestAttributes();
-			LinkedMultiValueMap<String, String> parameters = new LinkedMultiValueMap<>();
-			if (requestMatcher.matches(requestAttributes.getRequest())) {
-				parameters.set(OAuth2ParameterNames.SCOPE, "scope-1 scope-2");
-			}
-			return parameters;
-		};
-	}
-
-	@Bean
-	public RestClient restClient() {
-		OAuth2AccessTokenResponseHttpMessageConverter messageConverter =
-			new OAuth2AccessTokenResponseHttpMessageConverter();
-		messageConverter.setAccessTokenResponseConverter((parameters) -> {
-			// ...
-			return OAuth2AccessTokenResponse.withToken("custom-token")
-				// ...
-				.build();
-		});
-
-		return RestClient.builder()
-			.messageConverters((messageConverters) -> {
-				messageConverters.clear();
-				messageConverters.add(new FormHttpMessageConverter());
-				messageConverters.add(messageConverter);
-			})
-			.defaultStatusHandler(new OAuth2ErrorResponseErrorHandler())
-			.build();
-	}
-
 }