# File lib/plugins/encoding.rb, line 5
  def self.encode text, encoding
    return text unless encoding

    if RUBY_VERSION >= '1.9'
      begin
        text = text.encode encoding
      rescue
        # no encodings exception
      end
    else
      begin 
        require 'nkf'
      rescue
        return text
      end

      text = case encoding
             when 'utf-8'
               NKF.nkf('-w', text)
             when 'euc-jp'
               NKF.nkf('-e', text)
             when 'sjis'
               NKF.nkf('-s', text)
             else
               text
             end
    end
  end