Class: Server

Inherits:
Object show all
Defined in:
lib/volt/server.rb

Instance Method Summary collapse

Constructor Details

#initialize ⇒ Server

Returns a new instance of Server.



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# File 'lib/volt/server.rb', line 45

def initialize
  @app_path = File.expand_path(File.join(Dir.pwd, "app"))
  @component_paths = ComponentPaths.new
  
  setup_change_listener
  
  display_welcome
end

Instance Method Details

#app ⇒ Object 



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# File 'lib/volt/server.rb', line 67

def app
  @app = Rack::Builder.new
  
  # Should only be used in production
  # @app.use Rack::Deflater

  # @app.use Rack::Chunked
  @app.use Rack::ContentLength

  @app.use Rack::KeepAlive
  @app.use Rack::ConditionalGet
  @app.use Rack::ETag
  
  @app.use Rack::CommonLogger
  @app.use Rack::ShowExceptions

  component_paths = @component_paths
  @app.map '/components' do
    run ComponentHandler.new(component_paths)
  end
  
  # Serve the opal files
  opal_files = OpalFiles.new(@app, @app_path, @component_paths)

  # Serve the main html files from public, also figure out
  # which JS/CSS files to serve.
  @app.use IndexFiles, @component_paths, opal_files
  
  # Handle socks js connection
  if RUBY_PLATFORM != 'java'
    component_paths.add_tasks_to_load_path
    ChannelHandler.dispatcher = Dispatcher.new
    
    @app.map "/channel" do
      run Rack::SockJS.new(ChannelHandler)#, :websocket => false
    end
  end
  
  @app.use Rack::Static,
    :urls => ["/"],
    :root => "public",
    :index => "",
    :header_rules => [
      [:all, {'Cache-Control' => 'public, max-age=86400'}]
    ]

  @app.run lambda{ |env| [ 404, { 'Content-Type'  => 'text/html' }, ['404 - page not found'] ] }
  
  return @app
end

#display_welcome ⇒ Object 



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# File 'lib/volt/server.rb', line 54

def display_welcome
  puts File.read(File.join(File.dirname(__FILE__), "server/banner.txt"))      
end

#setup_change_listener ⇒ Object 



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# File 'lib/volt/server.rb', line 58

def setup_change_listener
  # Setup the listeners for file changes
  puts "Listen for changes at #{@app_path}"
  listener = Listen.to("#{@app_path}/") do |modified, added, removed|
    ChannelHandler.send_message_all(nil, 'reload')
  end
  listener.start
end