Net::HTTP Example

connection.rb

# encoding: utf-8

require "net/http"
require "uri"

class Connection
  VERB_MAP = {
    :get => Net::HTTP::Get,
    :post => Net::HTTP::Post,
    :put => Net::HTTP::Put,
    :delete => Net::HTTP::Delete
  }

  attr_reader :http

  def initialize(url)
    uri = URI.parse(url)
    @http = Net::HTTP.new(uri.host, uri.port)
  end

  def request(method, path, params, initheader)
    method = method.to_sym
    case method
    when :get
      full_path = params ? path_with_params(path, params) : path
      request = VERB_MAP[method].new(full_path, initheader)
    when :post
      request = VERB_MAP[method].new(path, initheader)
      if 'application/json' == initheader['Content-Type']
        params = params.to_json if params.is_a?(Hash)
        request.body = params
      else
        request.set_form_data(params)
      end
    else
      request = VERB_MAP[method].new(path, initheader)
      request.set_form_data(params)
      # or like it
      # request.form_data = params
    end

    @http.request(request)
  end

  private

  def path_with_params(path, params)
    encoded_params = URI.encode_www_form(params)
    [path, encoded_params].join("?")
  end

end