From 9f681776b297a09ad96f10b866c90fc32606ad29 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?David=20B=C3=BCrgin?= <676c7473@gmail.com>
Date: Sat, 2 Apr 2016 20:55:16 +0200
Subject: [PATCH] Fix possible null argument warning

---
 .../springframework/samples/petclinic/web/PetController.java   | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/main/java/org/springframework/samples/petclinic/web/PetController.java b/src/main/java/org/springframework/samples/petclinic/web/PetController.java
index a944997..d89bccc 100644
--- a/src/main/java/org/springframework/samples/petclinic/web/PetController.java
+++ b/src/main/java/org/springframework/samples/petclinic/web/PetController.java
@@ -77,7 +77,8 @@ public String initCreationForm(Owner owner, ModelMap model) {
 
     @RequestMapping(value = "/pets/new", method = RequestMethod.POST)
     public String processCreationForm(Owner owner, @Valid Pet pet, BindingResult result, ModelMap model) {
-        if (StringUtils.hasLength(pet.getName()) && pet.isNew() && owner.getPet(pet.getName(), true) != null){
+        String petName = pet.getName();
+        if (StringUtils.hasLength(petName) && pet.isNew() && owner.getPet(petName, true) != null) {
             result.rejectValue("name", "duplicate", "already exists");
         }
         if (result.hasErrors()) {