# File lib/mosquito.rb, line 339
  def initialize(filename)
    tempname = "tempfile_#{Time.now.to_i}"
    
    @temp = ::Tempfile.new(tempname)
    @local_path = @temp.path    
    @original_filename = File.basename(filename)
    @extension = File.extname(@original_filename).gsub(/^\./, '').downcase
    @content_type = IMAGE_TYPES[@extension] || "application/#{@extension}"
    
    size = 100.bytes
    super("Stub file %s \n%s\n" % [@original_filename, Mosquito::garbage(size)])
  end