module Ldp
  class Error < StandardError; end
  
  class HttpError < RuntimeError; end
  class BadRequest < HttpError; end # 400
  class NotFound < HttpError; end # 404
  class Conflict < HttpError; end # 409
  class Gone < HttpError; end # 410
  class EtagMismatch < HttpError; end # 412

  class UnexpectedContentType < RuntimeError; end

  class GraphDifferenceException < Ldp::Error
    attr_reader :diff
    def initialize message, diff
      super(message)
      @diff = diff
    end
  end
end