From 0c61c5d5eb01fee5c06d20ea771af91bfae6438e Mon Sep 17 00:00:00 2001
From: liushaoyu-soft <455028117@qq.com>
Date: Thu, 11 Aug 2022 14:32:50 +0800
Subject: [PATCH] [ISSUES#8905]simplify some code (#8908)

---
 .../com/alibaba/nacos/common/utils/MD5Utils.java  | 15 ++++++---------
 1 file changed, 6 insertions(+), 9 deletions(-)

diff --git a/common/src/main/java/com/alibaba/nacos/common/utils/MD5Utils.java b/common/src/main/java/com/alibaba/nacos/common/utils/MD5Utils.java
index ae9fb6ab9..26a674afc 100644
--- a/common/src/main/java/com/alibaba/nacos/common/utils/MD5Utils.java
+++ b/common/src/main/java/com/alibaba/nacos/common/utils/MD5Utils.java
@@ -30,16 +30,13 @@ public class MD5Utils {
     private static final char[] DIGITS_LOWER = {'0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'a', 'b', 'c', 'd',
             'e', 'f'};
     
-    private static final ThreadLocal<MessageDigest> MESSAGE_DIGEST_LOCAL = new ThreadLocal<MessageDigest>() {
-        @Override
-        protected MessageDigest initialValue() {
-            try {
-                return MessageDigest.getInstance("MD5");
-            } catch (NoSuchAlgorithmException e) {
-                return null;
-            }
+    private static final ThreadLocal<MessageDigest> MESSAGE_DIGEST_LOCAL = ThreadLocal.withInitial(() -> {
+        try {
+            return MessageDigest.getInstance("MD5");
+        } catch (NoSuchAlgorithmException e) {
+            return null;
         }
-    };
+    });
     
     /**
      * Calculate MD5 hex string.