From 4c9743647032175df4eec05600b07b2a634c2992 Mon Sep 17 00:00:00 2001
From: Hatter Jiang <jht5945@gmail.com>
Date: Sat, 20 May 2023 22:24:08 +0800
Subject: [PATCH] feat: clean code

---
 .../main/java/me/hatter/tools/yubikeyca/YubikeyCaMain.java | 7 +++----
 1 file changed, 3 insertions(+), 4 deletions(-)

diff --git a/yubikey-ca-java/src/main/java/me/hatter/tools/yubikeyca/YubikeyCaMain.java b/yubikey-ca-java/src/main/java/me/hatter/tools/yubikeyca/YubikeyCaMain.java
index 193ea16..5e2f755 100644
--- a/yubikey-ca-java/src/main/java/me/hatter/tools/yubikeyca/YubikeyCaMain.java
+++ b/yubikey-ca-java/src/main/java/me/hatter/tools/yubikeyca/YubikeyCaMain.java
@@ -30,9 +30,8 @@ public class YubikeyCaMain {
 
     public static void main(String[] stringArgs) {
         final YubikeyCaArgs args = YubikeyCaArgsUtil.parseArgs(stringArgs);
-        if (args == null) {
-            return;
-        }
+        if (args == null) return;
+
         if (args.generateKeypair) {
             generateKeyPair(args);
         } else if (args.issueRootCa) {
@@ -182,7 +181,7 @@ public class YubikeyCaMain {
             log.error("Keypair type is required.");
             return null;
         }
-        Optional<PKType> pkTypeOpt = Arrays.stream(PKType.values())
+        final Optional<PKType> pkTypeOpt = Arrays.stream(PKType.values())
                 .filter(t -> t.name().equalsIgnoreCase(args.keypairType))
                 .findFirst();
         if (!pkTypeOpt.isPresent()) {