From 320a344c04bdeec9e3f5213ba33021f37194555f Mon Sep 17 00:00:00 2001
From: admin <cser.akm4@gmail.com>
Date: Fri, 9 May 2025 14:55:25 +0900
Subject: [PATCH] =?UTF-8?q?=E5=A2=9E=E5=8A=A0jetbrains.annotations.NotNull?=
 =?UTF-8?q?=E6=B3=A8=E9=87=8A?=
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---
 src/main/java/co/jp/app/service/JwtService.java | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/src/main/java/co/jp/app/service/JwtService.java b/src/main/java/co/jp/app/service/JwtService.java
index 60ff64f..8f68ae2 100644
--- a/src/main/java/co/jp/app/service/JwtService.java
+++ b/src/main/java/co/jp/app/service/JwtService.java
@@ -5,6 +5,7 @@ import io.jsonwebtoken.security.Keys;
 import io.jsonwebtoken.security.SignatureException;
 import java.util.function.Function;
 
+import org.jetbrains.annotations.NotNull;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 import org.springframework.beans.factory.annotation.Value;
@@ -29,6 +30,7 @@ public class JwtService {
     @Value("${jwt.token-expiration-ms}")
     private long tokenExpirationMs;
 
+    @org.jetbrains.annotations.NotNull
     private Key getSignKey() {
         byte[] keyBytes = Base64.getDecoder().decode(secretKey);
         return Keys.hmacShaKeyFor(keyBytes);
@@ -46,7 +48,7 @@ public class JwtService {
         }
     }
 
-    public <T> T extractClaim(String token, Function<Claims, T> claimsResolver) {
+    public <T> T extractClaim(String token, @NotNull Function<Claims, T> claimsResolver) {
         final Claims claims = extractAllClaims(token);
         return claimsResolver.apply(claims);
     }
@@ -60,7 +62,7 @@ public class JwtService {
                 .getBody();
     }
 
-    public String generateToken(UserDetails userDetails) {
+    public String generateToken(@NotNull UserDetails userDetails) {
         Map<String, Object> claims = new HashMap<>();
         return createToken(claims, userDetails.getUsername());
     }