diff --git a/MANIFEST b/MANIFEST
index 5b2c86a..f9a806f 100644
--- a/MANIFEST
+++ b/MANIFEST
@@ -5,14 +5,14 @@ README.md
 doc/DCO.md
 doc/changelog.md
 doc/css/common.css
-ext/liboga/extconf.rb
-ext/liboga/lexer.c
-ext/liboga/lexer.h
-ext/liboga/lexer.rl
-ext/liboga/liboga.c
-ext/liboga/liboga.h
-ext/liboga/xml.c
-ext/liboga/xml.h
+ext/c/liboga/extconf.rb
+ext/c/liboga/lexer.c
+ext/c/liboga/lexer.h
+ext/c/liboga/lexer.rl
+ext/c/liboga/liboga.c
+ext/c/liboga/liboga.h
+ext/c/liboga/xml.c
+ext/c/liboga/xml.h
 lib/oga.rb
 lib/oga/html/parser.rb
 lib/oga/version.rb
diff --git a/Rakefile b/Rakefile
index a25c691..21aeff4 100644
--- a/Rakefile
+++ b/Rakefile
@@ -1,11 +1,20 @@
 require 'bundler/gem_tasks'
 require 'digest/sha2'
 require 'rake/clean'
-require 'rake/extensiontask'
 require 'cliver'
 
 GEMSPEC = Gem::Specification.load('oga.gemspec')
 
+if RUBY_PLATFORM == 'java'
+  require 'rake/javaextensiontask'
+
+  Rake::JavaExtensionTask.new('liboga', GEMSPEC)
+else
+  require 'rake/extensiontask'
+
+  Rake::ExtensionTask.new('liboga', GEMSPEC)
+end
+
 PARSER_OUTPUT = 'lib/oga/xml/parser.rb'
 
 CLEAN.include(
@@ -16,7 +25,7 @@ CLEAN.include(
   'profile/samples/**/*.txt',
   'lib/liboga.*',
   'tmp',
-  'ext/liboga/lexer.c'
+  'ext/c/liboga/lexer.c'
 )
 
 FILE_LIST = FileList.new(
@@ -31,8 +40,6 @@ FILE_LIST = FileList.new(
   'ext/**/*.*'
 )
 
-Rake::ExtensionTask.new('liboga', GEMSPEC)
-
 Dir['./task/*.rake'].each do |task|
   import(task)
 end
diff --git a/ext/liboga/LibogaService.java b/ext/liboga/LibogaService.java
new file mode 100644
index 0000000..a132aaf
--- /dev/null
+++ b/ext/liboga/LibogaService.java
@@ -0,0 +1,30 @@
+package org.liboga;
+
+import java.io.IOException;
+
+import org.jruby.Ruby;
+import org.jruby.RubyModule;
+import org.jruby.RubyClass;
+import org.jruby.runtime.load.BasicLibraryService;
+import org.jruby.runtime.load.Library;
+
+public class LibogaService implements BasicLibraryService
+{
+    public boolean basicLoad(final Ruby runtime) throws IOException
+    {
+        // <jruby> Calling getModule on an instance of RubyModule? Nah fuck
+        // that, that would be too easy.
+        RubyModule xml = (RubyModule) runtime.getModule("Oga")
+            .getConstant("XML");
+
+        RubyClass lexer = xml.defineClassUnder(
+            "Lexer",
+            runtime.getObject(),
+            runtime.getObject().getAllocator()
+        );
+
+        lexer.defineAnnotatedMethods(org.liboga.xml.Lexer.class);
+
+        return true;
+    }
+}
diff --git a/ext/liboga/org/liboga/xml/Lexer.java b/ext/liboga/org/liboga/xml/Lexer.java
new file mode 100644
index 0000000..e8b79cd
--- /dev/null
+++ b/ext/liboga/org/liboga/xml/Lexer.java
@@ -0,0 +1,27 @@
+package org.liboga.xml;
+
+import java.io.IOException;
+
+import org.jruby.Ruby;
+import org.jruby.RubyModule;
+import org.jruby.RubyClass;
+import org.jruby.RubyObject;
+import org.jruby.anno.JRubyClass;
+import org.jruby.anno.JRubyMethod;
+import org.jruby.runtime.ThreadContext;
+import org.jruby.runtime.builtin.IRubyObject;
+
+@JRubyClass(name="Oga::XML::Lexer", parent="Object")
+public class Lexer extends RubyObject
+{
+    public Lexer(Ruby runtime, RubyClass klass)
+    {
+        super(runtime, klass);
+    }
+
+    @JRubyMethod
+    public IRubyObject advance_native(ThreadContext context)
+    {
+        return context.getRuntime().getNil();
+    }
+}
diff --git a/oga.gemspec b/oga.gemspec
index 40407f4..9b286eb 100644
--- a/oga.gemspec
+++ b/oga.gemspec
@@ -12,7 +12,13 @@ Gem::Specification.new do |s|
 
   s.files = File.read(File.expand_path('../MANIFEST', __FILE__)).split("\n")
 
-  s.extensions = ['ext/liboga/extconf.rb']
+  if RUBY_PLATFORM == 'java'
+    s.files << 'lib/liboga.jar'
+
+    s.platform = 'java'
+  else
+    s.extensions = ['ext/c/liboga/extconf.rb']
+  end
 
   s.has_rdoc              = 'yard'
   s.required_ruby_version = '>= 1.9.3'
diff --git a/task/lexer.rake b/task/lexer.rake
index 8823bea..9d3fc91 100644
--- a/task/lexer.rake
+++ b/task/lexer.rake
@@ -25,4 +25,4 @@ rule '.c' => '.rl' do |task|
 end
 
 desc 'Generates the lexers'
-task :lexer => ['ext/liboga/lexer.c']
+task :lexer => ['ext/c/liboga/lexer.c']