X-Git-Url: https://git.openstreetmap.org/rails.git/blobdiff_plain/58432bd8b183fd53bfe25ff992c175368b0b90e5..724a9885953e381f2e8805ef9f5bc119c6f924e4:/lib/utf8.rb

diff --git a/lib/utf8.rb b/lib/utf8.rb
index 90b8f0413..9e9279deb 100644
--- a/lib/utf8.rb
+++ b/lib/utf8.rb
@@ -1,16 +1,21 @@
-require 'iconv'
-
 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 "".respond_to?("valid_encoding?")
+    def self.valid?(str)
+      return true if str.nil?
+      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