cleanup

Author: Rajeev Kumar Singh

polling-app-server/src/main/java/com/example/polls/security/JwtTokenProvider.java

@@ -25,13 +25,13 @@ public class JwtTokenProvider {
 
     public String generateToken(Authentication authentication) {
 
-        UserPrincipal userDetails = (UserPrincipal) authentication.getPrincipal();
+        UserPrincipal userPrincipal = (UserPrincipal) authentication.getPrincipal();
 
         Date now = new Date();
         Date expiryDate = new Date(now.getTime() + jwtExpirationInMs);
 
         return Jwts.builder()
-                .setSubject(Long.toString(userDetails.getId()))
+                .setSubject(Long.toString(userPrincipal.getId()))
                 .setIssuedAt(new Date())
                 .setExpiration(expiryDate)
                 .signWith(SignatureAlgorithm.HS512, jwtSecret)