X-Git-Url: https://git.openstreetmap.org./rails.git/blobdiff_plain/05e212027339733cf39aa9b7536c3f5f69ba0962..38b9f8f7927f09b32a94df87d1264f568f620480:/lib/utf8.rb

diff --git a/lib/utf8.rb b/lib/utf8.rb
index 5f0d219ba..c6e1918af 100644
--- a/lib/utf8.rb
+++ b/lib/utf8.rb
@@ -2,13 +2,20 @@ module UTF8
   ##
   # Checks that a string is valid UTF-8 by trying to convert it to UTF-8
   # using the iconv library, which is in the standard library.
-  def self.valid?(str)
-    return true if str.nil?
-    Iconv.conv("UTF-8", "UTF-8", str)
-    return true
-    
-  rescue
-    return false
-  end  
-end
+  if String.new.respond_to?("valid_encoding?")
+    def self.valid?(str)
+      return true if str.nil?
+      return str.valid_encoding?
+    end
+  else
+    require 'iconv'
 
+    def self.valid?(str)
+      return true if str.nil?
+      Iconv.conv("UTF-8", "UTF-8", str)
+      return true
+    rescue
+      return false
+    end
+  end
+end