From cd663da48c9613538ad4f6f9267c3e132076a5fb Mon Sep 17 00:00:00 2001
From: eric <eric@6335cc39-0255-0410-8fd6-9bcaacd3b74c>
Date: Wed, 9 Mar 2005 02:09:16 +0000
Subject: [PATCH] Catch blank keys as well.

git-svn-id: https://samskivert.googlecode.com/svn/trunk@1610 6335cc39-0255-0410-8fd6-9bcaacd3b74c
---
 projects/samskivert/src/java/com/samskivert/util/KeyUtil.java | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/projects/samskivert/src/java/com/samskivert/util/KeyUtil.java b/projects/samskivert/src/java/com/samskivert/util/KeyUtil.java
index 4e8ac9c8..c70a7206 100644
--- a/projects/samskivert/src/java/com/samskivert/util/KeyUtil.java
+++ b/projects/samskivert/src/java/com/samskivert/util/KeyUtil.java
@@ -58,7 +58,7 @@ public class KeyUtil
     public static boolean verifyLuhn (String key)
     {
         // If there is a non digit, or it is all zeros.
-        if (key.matches("\\D") || key.matches("^[0]+$")) {
+        if (StringUtil.blank(key) || key.matches("\\D") || key.matches("^[0]+$")) {
             return false;
         }