7 files changed, 8 insertions, 101 deletions
diff --git a/railties/guides/source/rails_on_rack.textile b/railties/guides/source/rails_on_rack.textile
index 545aaa18e0..1ad45f1cca 100644
--- a/railties/guides/source/rails_on_rack.textile
+++ b/railties/guides/source/rails_on_rack.textile
@@ -40,11 +40,8 @@ Here's how +script/server+ creates an instance of +Rack::Builder+
 app = Rack::Builder.new {
   use Rails::Rack::LogTailer unless options[:detach]
   use Rails::Rack::Debugger if options[:debugger]
-
-  map "/" do
-    use Rails::Rack::Static
-    run ActionController::Dispatcher.new
-  end
+  use ActionDispatch::Static
+  run ActionController::Dispatcher.new
 }.to_app
 </ruby>
 
@@ -52,7 +49,7 @@ Middlewares used in the code above are primarily useful only in the development
 
 |_.Middleware|_.Purpose|
 |+Rails::Rack::LogTailer+|Appends log file output to console|
-|+Rails::Rack::Static+|Serves static files inside +RAILS_ROOT/public+ directory|
+|+ActionDispatch::Static+|Serves static files inside +RAILS_ROOT/public+ directory|
 |+Rails::Rack::Debugger+|Starts Debugger|
 
 h4. +rackup+
@@ -64,7 +61,7 @@ To use +rackup+ instead of Rails' +script/server+, you can put the following ins
 require "config/environment"
 
 use Rails::Rack::LogTailer
-use Rails::Rack::Static
+use ActionDispatch::Static
 run ActionController::Dispatcher.new
 </ruby>
 
diff --git a/railties/lib/rails/initializer.rb b/railties/lib/rails/initializer.rb
index e6f42f643c..72d23f2642 100644
--- a/railties/lib/rails/initializer.rb
+++ b/railties/lib/rails/initializer.rb
@@ -272,7 +272,7 @@ module Rails
   # Include middleware to serve up static assets
   Initializer.default.add :initialize_static_server do
     if configuration.frameworks.include?(:action_controller) && configuration.serve_static_assets
-      configuration.middleware.insert(0, Rails::Rack::Static, Rails.public_path)
+      configuration.middleware.insert(0, ActionDispatch::Static, Rails.public_path)
     end
   end
 
diff --git a/railties/lib/rails/rack/static.rb b/railties/lib/rails/rack/static.rb
index 25b6cadbfc..d6b8face27 100644
--- a/railties/lib/rails/rack/static.rb
+++ b/railties/lib/rails/rack/static.rb
@@ -1,46 +1,5 @@
-require 'rack/utils'
+require 'action_dispatch'
 
-module Rails
-  module Rack
-    class Static
-      FILE_METHODS = %w(GET HEAD).freeze
-
-      def initialize(app, root)
-        @app = app
-        @file_server = ::Rack::File.new(root)
-      end
-
-      def call(env)
-        path        = env['PATH_INFO'].chomp('/')
-        method      = env['REQUEST_METHOD']
-
-        if FILE_METHODS.include?(method)
-          if file_exist?(path)
-            return @file_server.call(env)
-          else
-            cached_path = directory_exist?(path) ? "#{path}/index" : path
-            cached_path += ::ActionController::Base.page_cache_extension
-
-            if file_exist?(cached_path)
-              env['PATH_INFO'] = cached_path
-              return @file_server.call(env)
-            end
-          end
-        end
-
-        @app.call(env)
-      end
-
-      private
-        def file_exist?(path)
-          full_path = File.join(@file_server.root, ::Rack::Utils.unescape(path))
-          File.file?(full_path) && File.readable?(full_path)
-        end
-
-        def directory_exist?(path)
-          full_path = File.join(@file_server.root, ::Rack::Utils.unescape(path))
-          File.directory?(full_path) && File.readable?(full_path)
-        end
-    end
-  end
+module Rails::Rack
+  Static = Deprecation::DeprecatedConstantProxy.new('Rails::Rack::Static', ActionDispatch::Static)
 end
diff --git a/railties/test/fixtures/public/foo/bar.html b/railties/test/fixtures/public/foo/bar.html
deleted file mode 100644
index 9a35646205..0000000000
--- a/railties/test/fixtures/public/foo/bar.html
+++ /dev/null
@@ -1 +0,0 @@
-/foo/bar.html
-\ No newline at end of file
diff --git a/railties/test/fixtures/public/foo/index.html b/railties/test/fixtures/public/foo/index.html
deleted file mode 100644
index 497a2e898f..0000000000
--- a/railties/test/fixtures/public/foo/index.html
+++ /dev/null
@@ -1 +0,0 @@
-/foo/index.html
-\ No newline at end of file
diff --git a/railties/test/fixtures/public/index.html b/railties/test/fixtures/public/index.html
deleted file mode 100644
index 525950ba6b..0000000000
--- a/railties/test/fixtures/public/index.html
+++ /dev/null
@@ -1 +0,0 @@
-/index.html
-\ No newline at end of file
diff --git a/railties/test/rack_static_test.rb b/railties/test/rack_static_test.rb
deleted file mode 100644
index 695b011d03..0000000000
--- a/railties/test/rack_static_test.rb
+++ /dev/null
@@ -1,46 +0,0 @@
-require 'abstract_unit'
-
-require 'action_controller'
-require 'rails/rack'
-
-class RackStaticTest < ActiveSupport::TestCase
-  def setup
-    FileUtils.cp_r "#{RAILS_ROOT}/fixtures/public", "#{RAILS_ROOT}/public"
-  end
-
-  def teardown
-    FileUtils.rm_rf "#{RAILS_ROOT}/public"
-  end
-
-  DummyApp = lambda { |env|
-    [200, {"Content-Type" => "text/plain"}, ["Hello, World!"]]
-  }
-  App = Rails::Rack::Static.new(DummyApp, "#{RAILS_ROOT}/public")
-
-  test "serves dynamic content" do
-    assert_equal "Hello, World!", get("/nofile")
-  end
-
-  test "serves static index at root" do
-    assert_equal "/index.html", get("/index.html")
-    assert_equal "/index.html", get("/index")
-    assert_equal "/index.html", get("/")
-  end
-
-  test "serves static file in directory" do
-    assert_equal "/foo/bar.html", get("/foo/bar.html")
-    assert_equal "/foo/bar.html", get("/foo/bar/")
-    assert_equal "/foo/bar.html", get("/foo/bar")
-  end
-
-  test "serves static index file in directory" do
-    assert_equal "/foo/index.html", get("/foo/index.html")
-    assert_equal "/foo/index.html", get("/foo/")
-    assert_equal "/foo/index.html", get("/foo")
-  end
-
-  private
-    def get(path)
-      Rack::MockRequest.new(App).request("GET", path).body
-    end
-end