instanceof 관련 수정

src/main/java/cokr/xit/base/security/SecuredUserInfo.java

@@ -38,7 +38,7 @@ public class SecuredUserInfo extends UserInfo implements UserDetails {
 
 		private UserInfo get(Authentication authentication) {
 			Object obj = authentication != null ? authentication.getPrincipal() : null;
-			return obj instanceof SecuredUserInfo ? (UserInfo)obj : SecuredUserInfo.unknown;
+			return obj instanceof SecuredUserInfo userInfo ? userInfo : SecuredUserInfo.unknown;
 		}
 
 		@Override

src/main/java/cokr/xit/base/security/authentication/web/AuthenticationSuccess.java

@@ -67,8 +67,7 @@ public class AuthenticationSuccess extends SavedRequestAwareAuthenticationSucces
 	 */
 	protected DataObject onSuccess(HttpServletRequest hreq, HttpServletResponse hresp, Authentication authentication) {
 		Object principal = authentication.getPrincipal();
-		if (principal instanceof UserInfo) {
-			UserInfo user = (UserInfo)principal;
+		if (principal instanceof UserInfo user) {
 			user.setInfo("loggedInAt", new Date());
 			remember(user, hreq, hresp);
 		}

src/main/java/cokr/xit/base/security/authentication/web/LogoutSuccess.java

@@ -85,9 +85,8 @@ public class LogoutSuccess extends SimpleUrlLogoutSuccessHandler implements Appl
 
 	@Override
 	public void setApplicationContext(ApplicationContext actx) throws BeansException {
-		if (!(actx instanceof WebApplicationContext)) return;
+		if (!(actx instanceof WebApplicationContext wactx)) return;
 
-		WebApplicationContext wactx = (WebApplicationContext)actx;
 		wactx.getServletContext().addListener(this);
 	}