Use nokogiri on JRuby

Gemfile

@@ -3,9 +3,16 @@ source "http://rubygems.org"
 gemspec
 
 gem 'oj'
-gem 'libxml-ruby'
 gem 'plist'
 
+platforms :ruby do
+  gem 'libxml-ruby'
+end
+
+platforms :jruby do
+  gem 'nokogiri'
+end
+
 group :test do
   gem 'rspec-mocks'
 end

lib/rabl-rails.rb

@@ -76,7 +76,12 @@ module RablRails
 
   def self.load_default_engines!
     self.json_engine  = MultiJson.default_engine
-    self.xml_engine   = 'LibXML' if defined?(LibXML)
     self.plist_engine = Plist::Emit if defined?(Plist)
+
+    if defined?(LibXML)
+      self.xml_engine = 'LibXML'
+    elsif defined?(Nokogiri)
+      self.xml_engine = 'Nokogiri'
+    end
   end
 end

test/renderers/plist_renderer_test.rb

@@ -1,7 +1,4 @@
 require 'test_helper'
-require 'plist'
-
-RablRails.plist_engine = Plist::Emit
 
 class TestPlistRenderer < ActiveSupport::TestCase
   INDENT_REGEXP = /\n(\s)*/

test/test_helper.rb

@@ -22,6 +22,15 @@ class <<Singleton
 end
 
 require 'rabl-rails'
+require 'plist'
+
+if RUBY_ENGINE == 'ruby'
+  require 'libxml'
+else
+  require 'nokogiri'
+end
+
+RablRails.load_default_engines!
 
 module ActiveSupport
   class TestCase