lib/active_cleaner/string_cleaner.rb in activecleaner-0.3.0 vs lib/active_cleaner/string_cleaner.rb in activecleaner-0.3.1

@@ -2,16 +2,19 @@
 
 module ActiveCleaner
   class StringCleaner < BaseCleaner
 
     def clean_value(old_value, record=nil)
-      unless old_value.nil?
+      case old_value
+      when String
         value = old_value.dup
 
         value.strip!
         value.gsub!(/\s+/, " ")
 
         value
+      else
+        old_value
       end
     end
 
   end
 end