Class: Raw::WebrickHandler

Inherits:
WEBrick::HTTPServlet::AbstractServlet
  • Object
show all
Includes:
AdapterHandlerMixin, WEBrick
Defined in:
lib/raw/adapter/webrick.rb

Overview

The Webrick Handler, handles an HTTP request. – TODO: add some way to prevent the display of template files if the public dir is used as the template dir. ++

Instance Method Summary collapse

Methods included from AdapterHandlerMixin

#handle_context, #rewrite, #unrewrite

Constructor Details

#initialize(webrick, app) ⇒ WebrickHandler

Returns a new instance of WebrickHandler.



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# File 'lib/raw/adapter/webrick.rb', line 79

def initialize(webrick, app)
  @application = app

  # Handles static resources. Useful when running 
  # a stand-alone webrick server.

  @file_handler = WEBrick::HTTPServlet::FileHandler.new(
    webrick, app.public_dir, app.options
  )
end

Instance Method Details

#handle(req, res) ⇒ Object Also known as: do_GET, do_POST

Handle the request.



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# File 'lib/raw/adapter/webrick.rb', line 106

def handle(req, res)
  # Perform default rewriting rules.
  
  rewrite(req)

  # First, try to serve a static file from disk.

  return if handle_file(req, res)

  # No static file found, attempt to dynamically generate 
  # a response.
  
  context = Context.new(@application)

  context.in = StringIO.new(req.body || "")

  context.headers = {}
  req.header.each { |h, v| context.headers[h.upcase] = v.first }
  context.headers.update(req.meta_vars)

  # gmosx: make compatible with fastcgi.
    
  context.headers["REQUEST_URI"].slice!(/http:\/\/(.*?)\//)
  context.headers["REQUEST_URI"] = '/' + context.headers['REQUEST_URI']

  res.body = handle_context(context)
  
  res.status = context.status
  res.instance_variable_set(:@header, context.response_headers || {})
  res.instance_variable_set(:@cookies, context.response_cookies || {})
    
  context.close
end

#handle_file(req, res) ⇒ Object

Handle a static file. Also handles cached pages. Typically not used in production applications.



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# File 'lib/raw/adapter/webrick.rb', line 93

def handle_file(req, res)
  return false unless @application.handle_static_files    
  @file_handler.do_GET(req, res)
  return true
rescue WEBrick::HTTPStatus::PartialContent, WEBrick::HTTPStatus::NotModified => err
  res.set_error(err)
  return true
rescue WEBrick::HTTPStatus::NotFound => ex
  return false
end