Class: Bijou::WEBrick::Adapter

Inherits:
Object
  • Object
show all
Defined in:
lib/bijou/webrick/adapter.rb

Overview

This adapter encapsulates the differences between the WEBrick server and the interfaces expected within the Bijou environment.

Class Method Summary collapse

Class Method Details

.handle(req, res) ⇒ Object 



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# File 'lib/bijou/webrick/adapter.rb', line 17

def self.handle(req, res)
  bijou_types = 
    [
     [ 'rbb',  'text/html'  ],
     [ 'htm',  'text/html'  ],
     [ 'html', 'text/html'  ],
    ]

  path_info = req.path
  document_root = ENV['DOCUMENT_ROOT']
  bijou_cache = ENV['BIJOU_CACHE']
  bijou_config = ENV['BIJOU_CONFIG']

  if bijou_config
    begin
      config = Bijou::Config.load_file(bijou_config)
    rescue SyntaxError
      error = $!.to_s
      error << "\nStack: " + $@.join("\n")

      return self::diagnostic(res, "Error", 
                              "Error loading configuration.", error)
    end

    if (!config)
      return self.error(res, 200, "Error", 
                        "The configuration file path is invalid." +
                        " Please check the WEbrick configuration.")
    end
  else
    config = Bijou::Config.new
  end

  # The config file overrides the environment settings.
  if !config.document_root || config.document_root.empty?
    if document_root
      config.document_root = document_root
    else
      config.document_root = Dir.getwd
    end
  end

  if !config.cache_root && bijou_cache
    config.cache_root = bijou_cache
  end

  config.includes.each do |inc|
    $:.push inc
  end

  # Remove any leading slashes so expand_path doesn't see it as absolute.
  if path_info[0,1] == '/'
    path_info = path_info[1..-1]
  end

  found = false
  bijou_types.each {|type|
    ext = type[0]
    if path_info =~ /\.#{ext}$/
      found = true
    end
  }

  if !found
    response = Bijou::Processor.handle_other(config, path_info)
    
    res.status          = response['status']
    res['Content-Type'] = response['type']
    res.body            = response['body']
    return
  end

  processor = Bijou::Processor.new

  # Build the page from the request.
  begin
    context = processor.load(path_info, config)
  rescue Exception
    msg = Bijou::ErrorFormatter.format_error :html, 4
    return self.formatted_error(res, "Error loading page", msg)
  end

  #
  # Prepare the request data.
  #

  context.request = Bijou::WEBrick::Request.new(req)
  context.response = HttpResponse.new

  args = {}
  args.replace(context.request.params);

  begin
    context.render(args)
  rescue Exception
    msg = Bijou::ErrorFormatter.format_error :html, 4, context
    return self.formatted_error(res, "Error rendering page", msg)
  end

  res.status = 200
  res['Content-Type'] = "text/html"
  res.body = context.output;

  #        print_environment cgi
end