conneg.rb in rack-linkeddata-3.1.0

- old
+ new

@@ -30,13 +30,13 @@
 
     ##
     # @param  [#call]                  app
     # @param  [Hash{Symbol => Object}] options
     #   Other options passed to writer.
-    # @option options [String] :default (DEFAULT_CONTENT_TYPE) Specific content type
+    # @param [String] :default (DEFAULT_CONTENT_TYPE) Specific content type
     # @option options [RDF::Format, #to_sym] :format Specific RDF writer format to use
-    def initialize(app, options = {})
+    def initialize(app, options)
       @app, @options = app, options
       @options[:default] = (@options[:default] || DEFAULT_CONTENT_TYPE).to_s
     end
 
     ##
@@ -62,20 +62,26 @@
 
     ##
     # Serializes an `RDF::Enumerable` response into a Rack protocol
     # response using HTTP content negotiation rules or a specified Content-Type.
     #
+    # Passes parameters from Accept header, and Link header to writer.
+    #
     # @param  [Hash{String => String}] env
     # @param  [Integer]                status
     # @param  [Hash{String => Object}] headers
     # @param  [RDF::Enumerable]        body
     # @return [Array(Integer, Hash, #each)] Status, Headers and Body
     def serialize(env, status, headers, body)
       result, content_type = nil, nil
       find_writer(env, headers) do |writer, ct, accept_params = {}|
         begin
           # Passes content_type as writer option to allow parameters to be extracted.
-          result, content_type = writer.dump(body, nil, @options.merge(accept_params: accept_params)), ct.split(';').first
+          writer_options = @options.merge(
+            accept_params: accept_params,
+            link: env['HTTP_LINK']
+          )
+          result, content_type = writer.dump(body, nil, **writer_options), ct.split(';').first
           break
         rescue RDF::WriterError
           # Continue to next writer
           ct
         rescue