Class: Mechanize::Chain::ResponseReader

Inherits:
Object
  • Object
show all
Includes:
Handler
Defined in:
lib/epitools/browser/mechanize_progressbar.rb

Instance Method Summary collapse

Constructor Details

#initialize(response) ⇒ ResponseReader

Returns a new instance of ResponseReader.



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# File 'lib/epitools/browser/mechanize_progressbar.rb', line 13

def initialize(response)
  @response = response
end

Instance Method Details

#handle(ctx, params) ⇒ Object

Raises:

  • (ResponseCodeError) 


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# File 'lib/epitools/browser/mechanize_progressbar.rb', line 17

def handle(ctx, params)
  params[:response] = @response
  body = StringIO.new
  total = 0

  if @response.respond_to? :content_type
    pbar = ProgressBar.new("  |_ #{@response.content_type}", @response.content_length)
  else
    pbar = nil
  end

  @response.read_body { |part|
    total += part.length
    body.write(part)

    pbar.set(total) if pbar
    Mechanize.log.debug("Read #{total} bytes") if Mechanize.log
  }

  pbar.finish if pbar

  body.rewind

  res_klass = Net::HTTPResponse::CODE_TO_OBJ[@response.code.to_s]
  raise ResponseCodeError.new(@response) unless res_klass

  # Net::HTTP ignores EOFError if Content-length is given, so we emulate it here.
  unless res_klass <= Net::HTTPRedirection
    raise EOFError if (!params[:request].is_a?(Net::HTTP::Head)) && @response.content_length() && @response.content_length() != total
  end

  @response.each_header { |k,v|
    Mechanize.log.debug("response-header: #{ k } => #{ v }")
  } if Mechanize.log

  params[:response_body] = body
  params[:res_klass] = res_klass
  super
end