avoid Fixnum warning - assume recent JRuby

Author: kares

src/main/ruby/jruby/rack/response.rb

@@ -152,18 +152,15 @@ def write_body(response)
             @body.call response.getOutputStream
           elsif @body.respond_to?(:to_path) # send_file
             send_file @body.to_path, response
-          elsif @body.respond_to?(:to_channel) &&
-              ! object_polluted_with_anyio?(@body, :to_channel)
+          elsif @body.respond_to?(:to_channel)
             body = @body.to_channel # so that we close the channel
             transfer_channel body, response.getOutputStream
-          elsif @body.respond_to?(:to_inputstream) &&
-              ! object_polluted_with_anyio?(@body, :to_inputstream)
+          elsif @body.respond_to?(:to_inputstream)
             body = @body.to_inputstream # so that we close the stream
             body = Channels.newChannel(body) # closing the channel closes the stream
             transfer_channel body, response.getOutputStream
           elsif @body.respond_to?(:body_parts) && ! @body.respond_to?(:stream) &&
-              ( body_parts = @body.body_parts ).respond_to?(:to_channel) &&
-              ! object_polluted_with_anyio?(body_parts, :to_channel)
+              ( body_parts = @body.body_parts ).respond_to?(:to_channel)
             # ActionDispatch::Response "raw" body access in case it's a File
             body = body_parts.to_channel # so that we close the channel
             transfer_channel body, response.getOutputStream
@@ -290,21 +287,6 @@ def transfer_channel(channel, output_stream)
         end
       end
 
-      # Fixnum should not have this method, and it shouldn't be on Object
-      @@object_polluted = ( Fixnum.method(:to_channel).owner == Object ) rescue nil # :nodoc
-
-      # See http://bugs.jruby.org/5444 - we need to account for pre-1.6 JRuby
-      # where Object was polluted with #to_channel ( by IOJavaAddions.AnyIO )
-      def object_polluted_with_anyio?(obj, meth) # :nodoc
-        @@object_polluted && begin
-          # The object should not have this method, and
-          # it shouldn't be on Object
-          obj.method(meth).owner == Object
-        rescue
-          false
-        end
-      end
-
     end
   end
 end