Polish gh-786

oauth2-authorization-server/src/main/java/org/springframework/security/oauth2/server/authorization/authentication/OAuth2AuthorizationCodeRequestAuthenticationProvider.java

@@ -564,10 +564,8 @@ public final class OAuth2AuthorizationCodeRequestAuthenticationProvider implemen
 					!OAuth2ParameterNames.CODE.equals(context.getTokenType().getValue())) {
 				return null;
 			}
-			RegisteredClient registeredClient = context.getRegisteredClient();
-
 			Instant issuedAt = Instant.now();
-			Instant expiresAt = issuedAt.plus(registeredClient.getTokenSettings().getAuthorizationCodeTimeToLive());
+			Instant expiresAt = issuedAt.plus(context.getRegisteredClient().getTokenSettings().getAuthorizationCodeTimeToLive());
 			return new OAuth2AuthorizationCode(this.authorizationCodeGenerator.generateKey(), issuedAt, expiresAt);
 		}
 

oauth2-authorization-server/src/main/java/org/springframework/security/oauth2/server/authorization/config/TokenSettings.java

@@ -129,8 +129,8 @@ public final class TokenSettings extends AbstractSettings {
 		}
 
 		/**
-		 * Set the time-to-live for an access token. Must be greater than {@code Duration.ZERO}.
-		 * A maximum  authorization code lifetime of 10 minutes is RECOMMENDED
+		 * Set the time-to-live for an authorization code. Must be greater than {@code Duration.ZERO}.
+		 * A maximum authorization code lifetime of 10 minutes is RECOMMENDED.
 		 *
 		 * @param authorizationCodeTimeToLive the time-to-live for an authorization code
 		 * @return the {@link Builder} for further configuration