# File lib/uniform_notifier/xmpp.rb, line 13
    def self.setup_connection(xmpp_information)
      return unless xmpp_information

      require 'xmpp4r'

      @xmpp = xmpp_information
      @receiver = xmpp_information[:receiver]
      @password = xmpp_information[:password]
      @account  = xmpp_information[:account]
      @show_online_status = xmpp_information[:show_online_status]
      @stay_connected = xmpp_information[:stay_connected].nil? ? true : xmpp_information[:stay_connected]

      connect if @stay_connected
    rescue LoadError
      @xmpp = nil
      raise NotificationError, 'You must install the xmpp4r gem to use XMPP notification: `gem install xmpp4r`'
    end