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

@@ -2,11 +2,12 @@
 
 module ActiveCleaner
   class MarkdownCleaner < BaseCleaner
 
     def clean_value(old_value, record=nil)
-      unless old_value.nil?
+      case old_value
+      when String
         value = old_value.dup
 
         value.strip!
 
         # clean the new lines mess among OS
@@ -23,9 +24,11 @@
         # reverse the safe markup
         value.gsub!(/__NEW_LINE__/, "\n")
         value.gsub!(/__SPACE__/, " ")
 
         value
+      else
+        old_value
       end
     end
 
   end
 end