#160 - Add option to set encoding of response body

lib/google/api_client/charset.rb

@@ -0,0 +1,33 @@
+require 'faraday'
+require 'zlib'
+ 
+module Google
+  class APIClient
+    class Charset < Faraday::Response::Middleware
+      include Google::APIClient::Logging
+
+      def charset_for_content_type(type)
+        if type
+          m = type.match(/(?:charset|encoding)="?([a-z0-9-]+)"?/i)
+          if m
+            return Encoding.find(m[1])
+          end
+        end
+        nil
+      end
+
+      def adjust_encoding(env)
+        charset = charset_for_content_type(env[:response_headers]['content-type'])
+        if charset && env[:body].encoding != charset
+          env[:body].force_encoding(charset)
+        end
+      end
+      
+      def on_complete(env)
+        adjust_encoding(env)
+      end
+    end
+  end
+end
+ 
+Faraday::Response.register_middleware :charset => Google::APIClient::Charset