adding media support via extensions

lib/atom/extensions/media.rb

@@ -0,0 +1,35 @@
+require 'atom'
+
+#
+# Media extension (see http://video.search.yahoo.com/mrss)
+#
+# Exaple:
+#     f.entries << Atom::Entry.new do |e|
+#       e.media_content = Media.new :url => article.media['image']
+#     end
+#
+
+class Media
+    include Atom::Xml::Parseable
+    include Atom::SimpleExtensions
+    attribute :url, :fileSize, :type, :medium, :isDefault, :expression, :bitrate, :height, :width, :duration, :lang
+
+    def initialize(o = {})
+      case o
+      when XML::Reader
+        parse(o, :once => true)
+      when Hash
+        o.each do |k, v|
+          self.send("#{k.to_s}=", v)
+        end
+      else
+        raise ArgumentError, "Got #{o.class} but expected a Hash or XML::Reader"
+      end
+
+      yield(self) if block_given?
+    end
+end
+
+Atom::Feed.add_extension_namespace :media, "http://search.yahoo.com/mrss/"
+Atom::Entry.element "media:content", :class => Media
+