From 39d385380240127aba320eeb31ddb4c789488145 Mon Sep 17 00:00:00 2001
From: Acrobot <andrzejp@dysleksja.pl>
Date: Mon, 31 Dec 2012 02:34:27 +0100
Subject: [PATCH] Does not validate invalid shops

---
 .../Listeners/PreTransaction/ShopValidator.java   | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

diff --git a/com/Acrobot/ChestShop/Listeners/PreTransaction/ShopValidator.java b/com/Acrobot/ChestShop/Listeners/PreTransaction/ShopValidator.java
index 9494a78..5a6781f 100644
--- a/com/Acrobot/ChestShop/Listeners/PreTransaction/ShopValidator.java
+++ b/com/Acrobot/ChestShop/Listeners/PreTransaction/ShopValidator.java
@@ -18,8 +18,23 @@ public class ShopValidator implements Listener {
             return;
         }
 
+        if (isEmpty(event.getStock())) {
+            event.setCancelled(INVALID_SHOP);
+            return;
+        }
+
         if (!ChestShopSign.isAdminShop(event.getSign()) && event.getOwnerInventory() == null) {
             event.setCancelled(INVALID_SHOP);
         }
     }
+
+    private static <A> boolean isEmpty(A[] array) {
+        for (A element : array) {
+            if (element != null) {
+                return false;
+            }
+        }
+
+        return true;
+    }
 }