help method for visting a url

rubber.rb

module Rubber

  def self.try(diftimes = [3, 8, 2], options = { }, &block)
    val = timeout(diftimes.shift) do
      block.call
    end
  rescue options[:on] || Exception => e
    Rails.logger.info("#{Time.now}:#{__FILE__}:#{__LINE__}}:#{e.backtrace.join("\n")}")
    retry if diftimes.first
    return ""
  else
    val
  end

end