jruby.rack.merb_booter.rb Maven / Gradle / Ivy

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#--
# Copyright (c) 2010-2012 Engine Yard, Inc.
# Copyright (c) 2007-2009 Sun Microsystems, Inc.
# This source code is available under the MIT license.
# See the file LICENSE.txt for details.
#++

require 'jruby/rack/booter'

module JRuby::Rack
  # @deprecated Merb support is deprecated and will be removed in 1.2
  class MerbBooter < Booter
    attr_reader :merb_environment

    def initialize(rack_context = nil)
      super
      @merb_environment = @rack_context.getInitParameter('merb.environment')
      @merb_environment ||= 'production'
    end

    def default_layout_class
      MerbWebInfLayout
    end

    def load_merb
      require 'rubygems'
      require 'bundler'
      Bundler.setup
      require 'merb-core'
      require 'merb-core/rack'

      register_servlet_adapter
      load_servlet_sessions
      start_merb
    end

    def load_servlet_sessions
      logdev.write('Loading Merb servlet sessions')
      require 'jruby/rack/merb_servlet_session'
    end

    def register_servlet_adapter
      logdev.write('Registering Merb servlet adapter')
      Merb::Rack::Adapter.register %w{servlet}, :Servlet
    end

    def start_merb
      logdev.write('Starting Merb')
      Merb.start :merb_root => app_path,
                 :environment => merb_environment,
                 :adapter => 'servlet',
                 :disabled_components => [:signals],
                 :log_stream => logdev,
                 :path_prefix => $servlet_context.getContextPath
    end
  end

  class MerbFactory
    def self.new
      JRuby::Rack.booter.load_merb
      ::Rack::Builder.new { run ::Merb::Config[:app] }.to_app
    end
  end
end

# Merb likes to hardcode things into the Merb:: namespace.
module Merb
  module Rack
    class Servlet
      def self.start(opts={})
        ::Merb.logger.warn!("Using Java servlet adapter")
      end
    end
  end
end