From cd6f33c03e2e9de06888f47988a56ec090207fd2 Mon Sep 17 00:00:00 2001
From: Seongguk Jeong <seongguk.dev@gmail.com>
Date: Sun, 9 Jul 2023 23:53:00 +0900
Subject: [PATCH] Using putIfAbsent instead of put

---
 .../annotation/web/builders/FilterOrderRegistration.java    | 6 +-----
 1 file changed, 1 insertion(+), 5 deletions(-)

diff --git a/config/src/main/java/org/springframework/security/config/annotation/web/builders/FilterOrderRegistration.java b/config/src/main/java/org/springframework/security/config/annotation/web/builders/FilterOrderRegistration.java
index cddb6ce5e4..09d9766f11 100644
--- a/config/src/main/java/org/springframework/security/config/annotation/web/builders/FilterOrderRegistration.java
+++ b/config/src/main/java/org/springframework/security/config/annotation/web/builders/FilterOrderRegistration.java
@@ -127,11 +127,7 @@ final class FilterOrderRegistration {
 	 * @param position the position to associate with the {@link Filter}
 	 */
 	void put(Class<? extends Filter> filter, int position) {
-		String className = filter.getName();
-		if (this.filterToOrder.containsKey(className)) {
-			return;
-		}
-		this.filterToOrder.put(className, position);
+		this.filterToOrder.putIfAbsent(filter.getName(), position);
 	}
 
 	/**