Moving requiring of Nokogiri/Hpricot/REXML to a method

lib/webrat.rb

@@ -12,22 +12,28 @@ module Webrat
     defined?(RAILS_ROOT) ? RAILS_ROOT : Merb.root
   end
 
-end
-
-if RUBY_PLATFORM =~ /java/
+  def self.require_xml
+    if on_java?
       # We need Nokogiri's CSS to XPath support, even if using REXML and Hpricot for parsing and searching
       require "nokogiri/css"
       require "hpricot"
       require "rexml/document"
-else
+    else
       require "nokogiri"
       require "webrat/core/nokogiri"
+    end
+  end
+  
+  def self.on_java?
+    RUBY_PLATFORM =~ /java/
+  end
+  
 end
 
+Webrat.require_xml
+
 require "webrat/core"
 
 # TODO: This is probably not a good idea.
 # Probably better for webrat users to require "webrat/rails" etc. directly
-if defined?(RAILS_ENV)
-  require "webrat/rails"
-end
+require "webrat/rails" if defined?(RAILS_ENV)