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Contents
# frozen_string_literal: true
# error.rb
#
# This file is part of the ruby-dbus project
# Copyright (C) 2007 Arnaud Cornet and Paul van Tilburg
#
# This library is free software; you can redistribute it and/or
# modify it under the terms of the GNU Lesser General Public
# License, version 2.1 as published by the Free Software Foundation.
# See the file "COPYING" for the exact licensing terms.
module DBus
# Represents a D-Bus Error, both on the client and server side.
class Error < StandardError
# error_name. +message+ is inherited from +Exception+
attr_reader :name
# for received errors, the raw D-Bus message
attr_reader :dbus_message
# If +msg+ is a +DBus::Message+, its contents is used for initialization.
# Otherwise, +msg+ is taken as a string and +name+ is used.
def initialize(msg, name = "org.freedesktop.DBus.Error.Failed")
if msg.is_a? DBus::Message
@dbus_message = msg
@name = msg.error_name
super(msg.params[0]) # or nil
if msg.params[1].is_a? Array
set_backtrace msg.params[1]
end
else
@name = name
super(msg)
end
# TODO: validate error name
end
end
# @example raise a generic error
# raise DBus.error, "message"
# @example raise a specific error
# raise DBus.error("org.example.Error.SeatOccupied"), "Seat #{n} is occupied"
def error(name = "org.freedesktop.DBus.Error.Failed")
# message will be set by Kernel.raise
DBus::Error.new(nil, name)
end
module_function :error
end
Version data entries
18 entries across 18 versions & 1 rubygems