lib/rdf_context/parser.rb in rdf_context-0.5.9.1 vs lib/rdf_context/parser.rb in rdf_context-0.5.10

@@ -1,7 +1,5 @@
-require File.join(File.dirname(__FILE__), 'graph')
-
 module RdfContext
   # Generic RdfContext Parser class
   class Parser
     attr_reader :debug
     
@@ -129,11 +127,11 @@
       when /\.(rdf|xml)$/      then :rdfxml
       when /\.(html|xhtml)$/   then :rdfa
       when /\.(nt|n3|txt)$/    then :n3
       else
         # Got to look into the file to see
-        if stream.is_a?(IO) || stream.is_a?(StringIO)
+        if stream.respond_to?(:read)
           stream.rewind
           string = stream.read(1000)
           stream.rewind
         else
           string = stream.to_s
@@ -143,9 +141,10 @@
         when /<RDF/     then :rdfxml
         when /<html/i   then :rdfa
         else                 :n3
         end
       end
+      format
     end
 
     protected
     # Figure out the document path, if it is a Nokogiri::XML::Element or Attribute
     def node_path(node)