Add result language configuration.

README.rdoc

@@ -163,6 +163,15 @@ You can set the timeout used for connections to the geocoding service. The defau
   # config/initializers/geocoder.rb
   Geocoder::Configuration.timeout = 5
 
+=== Language
+
+You can set the language used for reverse geocoding results to German, for example, by setting the following:
+
+  # config/initializers/geocoder.rb
+  Geocoder::Configuration.language = :de
+
+For a list of supported languages see the documentation for the geocoding service you're using.
+
 
 == Forward and Reverse Geocoding in the Same Model
 

lib/geocoder/configuration.rb

 module Geocoder
   class Configuration
+
+    # geocoding service timeout (secs)
     def self.timeout; @@timeout; end
     def self.timeout=(obj); @@timeout = obj; end
 
+    # name of geocoding service (symbol)
     def self.lookup; @@lookup; end
     def self.lookup=(obj); @@lookup = obj; end
 
+    # ISO-639 language code
+    def self.language; @@language; end
+    def self.language=(obj); @@language = obj; end
+
+    # app id (if using Yahoo geocoding service)
     def self.yahoo_appid; @@yahoo_appid; end
     def self.yahoo_appid=(obj); @@yahoo_appid = obj; end
   end
@@ -13,4 +21,5 @@ end
 
 Geocoder::Configuration.timeout     = 3
 Geocoder::Configuration.lookup      = :google
+Geocoder::Configuration.language    = :en
 Geocoder::Configuration.yahoo_appid = ""

lib/geocoder/lookups/google.rb

@@ -22,7 +22,8 @@ module Geocoder::Lookup
     def query_url(query, reverse = false)
       params = {
         (reverse ? :latlng : :address) => query,
-        :sensor => "false"
+        :sensor => "false",
+        :language => Geocoder::Configuration.language
       }
       "http://maps.google.com/maps/api/geocode/json?" + hash_to_query(params)
     end

lib/geocoder/lookups/yahoo.rb

@@ -20,6 +20,7 @@ module Geocoder::Lookup
         :location =>  query,
         :flags => "JXTSR",
         :gflags => "AC#{'R' if reverse}",
+        :locale => "#{Geocoder::Configuration.language}_US",
         :appid => Geocoder::Configuration.yahoo_appid
       }
       "http://where.yahooapis.com/geocode?" + hash_to_query(params)