From 32773122c497addcd528c068839188e1360c7562 Mon Sep 17 00:00:00 2001
From: Tom Morris <tfmorris@gmail.com>
Date: Wed, 10 Jul 2013 15:12:49 -0400
Subject: [PATCH] Fix CollationKey creation - fixes #753

---
 main/src/com/google/refine/sorting/StringCriterion.java | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/main/src/com/google/refine/sorting/StringCriterion.java b/main/src/com/google/refine/sorting/StringCriterion.java
index 2a342e6ae..4807c2507 100644
--- a/main/src/com/google/refine/sorting/StringCriterion.java
+++ b/main/src/com/google/refine/sorting/StringCriterion.java
@@ -71,8 +71,8 @@ public class StringCriterion extends Criterion {
         return new KeyMaker() {
             @Override
             protected Object makeKey(Object value) {
-                return (ExpressionUtils.isNonBlankData(value) && !(value instanceof String)) ?
-                        collator.getCollationKey(value.toString()) : value;
+                return collator.getCollationKey((ExpressionUtils.isNonBlankData(value) 
+                        && !(value instanceof String)) ? value.toString() : (String) value);
             }
 
             @Override