shorten a URL by bit.ly API ( http://bit.ly/hKSXnN )

bitly.rb

#!/usr/bin/env ruby
# -*- coding: utf-8 -*-

require "net/http"
require "cgi"
require "nkf"
require "json"

class Bitly
  def initialize(account, api_key)
    @account = account
    @api_key = api_key
  end

  def shorten(url)
    query = "longUrl=#{CGI.escape(NKF.nkf("-w -m0", url))}&login=#{@account}&apiKey=#{@api_key}"
    response = Net::HTTP.get("api.bit.ly", "/v3/shorten?#{query}")
    data = JSON.parse(response)

    data["data"]["url"]
  end
end

if __FILE__ == $PROGRAM_NAME
  account = "account_name"
  api_key = "**********************************"

  bitly = Bitly.new(account, api_key)
  puts bitly.shorten("http://www.google.com/") #=> "http://bit.ly/4xKkAW"
end