Fix checkstyle

Author: ngocnhan-tran1996

oauth2/oauth2-resource-server/src/main/java/org/springframework/security/oauth2/server/resource/introspection/SpringOpaqueTokenIntrospector.java

@@ -273,6 +273,17 @@ private Collection<GrantedAuthority> authorities(List<String> scopes) {
 		return authorities;
 	}
 
+	/**
+	 * Creates a {@code SpringOpaqueTokenIntrospector.Builder} with the given introspection endpoint uri
+	 * @param introspectionUri The introspection endpoint uri
+	 * @return the {@link SpringOpaqueTokenIntrospector.Builder}
+	 * @since 6.5
+	 */
+	public static Builder withIntrospectionUri(String introspectionUri) {
+		Assert.notNull(introspectionUri, "introspectionUri cannot be null");
+		return new Builder(introspectionUri);
+	}
+
 	// gh-7563
 	private static final class ArrayListFromString extends ArrayList<String> {
 
@@ -299,17 +310,6 @@ default List<String> getScopes() {
 
 	}
 
-	/**
-	 * Creates a {@code SpringOpaqueTokenIntrospector.Builder} with the given introspection endpoint uri
-	 * @param introspectionUri The introspection endpoint uri
-	 * @return the {@link SpringOpaqueTokenIntrospector.Builder}
-	 * @since 6.5
-	 */
-	public static Builder withIntrospectionUri(String introspectionUri) {
-		Assert.notNull(introspectionUri, "introspectionUri cannot be null");
-		return new Builder(introspectionUri);
-	}
-
 	/**
 	 * Used to build {@link SpringOpaqueTokenIntrospector}.
 	 *
@@ -364,7 +364,7 @@ public Builder clientId(String clientId) {
 		public Builder clientSecret(String clientSecret, Charset charset) {
 			Assert.notNull(clientSecret, "clientSecret cannot be null");
 			Assert.notNull(charset, "charset cannot be null");
-			this.clientId = URLEncoder.encode(clientSecret, charset);
+			this.clientSecret = URLEncoder.encode(clientSecret, charset);
 			return this;
 		}
 

oauth2/oauth2-resource-server/src/main/java/org/springframework/security/oauth2/server/resource/introspection/SpringReactiveOpaqueTokenIntrospector.java

@@ -227,6 +227,17 @@ private Collection<GrantedAuthority> authorities(List<String> scopes) {
 		return authorities;
 	}
 
+	/**
+	 * Creates a {@code SpringReactiveOpaqueTokenIntrospector.Builder} with the given introspection endpoint uri
+	 * @param introspectionUri The introspection endpoint uri
+	 * @return the {@link SpringReactiveOpaqueTokenIntrospector.Builder}
+	 * @since 6.5
+	 */
+	public static Builder withIntrospectionUri(String introspectionUri) {
+
+		return new Builder(introspectionUri);
+	}
+
 	// gh-7563
 	private static final class ArrayListFromString extends ArrayList<String> {
 
@@ -253,17 +264,6 @@ default List<String> getScopes() {
 
 	}
 
-	/**
-	 * Creates a {@code SpringReactiveOpaqueTokenIntrospector.Builder} with the given introspection endpoint uri
-	 * @param introspectionUri The introspection endpoint uri
-	 * @return the {@link SpringReactiveOpaqueTokenIntrospector.Builder}
-	 * @since 6.5
-	 */
-	public static Builder withIntrospectionUri(String introspectionUri) {
-
-		return new Builder(introspectionUri);
-	}
-
 	/**
 	 * Used to build {@link SpringReactiveOpaqueTokenIntrospector}.
 	 *
@@ -318,7 +318,7 @@ public Builder clientId(String clientId) {
 		public Builder clientSecret(String clientSecret, Charset charset) {
 			Assert.notNull(clientSecret, "clientSecret cannot be null");
 			Assert.notNull(charset, "charset cannot be null");
-			this.clientId = URLEncoder.encode(clientSecret, charset);
+			this.clientSecret = URLEncoder.encode(clientSecret, charset);
 			return this;
 		}