lib/html2rss/item_extractors.rb in html2rss-0.6.0 vs lib/html2rss/item_extractors.rb in html2rss-0.7.0

@@ -1,24 +1,18 @@
-require_relative 'item_extractors/attribute'
-require_relative 'item_extractors/current_time'
-require_relative 'item_extractors/href'
-require_relative 'item_extractors/html'
-require_relative 'item_extractors/static'
-require_relative 'item_extractors/text'
-
 module Html2rss
   ##
   # Provides a namespace for item extractors.
   module ItemExtractors
-    DEFAULT = 'text'.freeze
+    DEFAULT = 'Text'.freeze
 
     def self.get_extractor(name)
-      @extractors = Hash.new do |hash, key|
-        camel_cased_name = key.split('_').map(&:capitalize).join
+      @get_extractor ||= Hash.new do |extractors, key|
+        camel_cased_name = (key || DEFAULT).split('_').map(&:capitalize).join
         class_name = ['Html2rss', 'ItemExtractors', camel_cased_name].join('::')
+        extractors[key] = Object.const_get(class_name)
+      end
 
-        hash[key] = Object.const_get(class_name)
-      end[name || DEFAULT]
+      @get_extractor[name]
     end
 
     ##
     # @return [Nokogiri::XML::Element]
     def self.element(xml, options)