mirror of
https://github.com/redmine/redmine.git
synced 2025-10-31 18:36:07 +01:00
3e36b5c452
git-svn-id: http://svn.redmine.org/redmine/trunk@20846 e93f8b46-1217-0410-a6f0-8f06a7374b81
50 lines
1.4 KiB
Ruby
50 lines
1.4 KiB
Ruby
# frozen_string_literal: true
|
|
|
|
# Redmine - project management software
|
|
# Copyright (C) 2006-2021 Jean-Philippe Lang
|
|
#
|
|
# This program is free software; you can redistribute it and/or
|
|
# modify it under the terms of the GNU General Public License
|
|
# as published by the Free Software Foundation; either version 2
|
|
# of the License, or (at your option) any later version.
|
|
#
|
|
# This program is distributed in the hope that it will be useful,
|
|
# but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
# GNU General Public License for more details.
|
|
#
|
|
# You should have received a copy of the GNU General Public License
|
|
# along with this program; if not, write to the Free Software
|
|
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
|
|
|
|
module Redmine
|
|
module SubclassFactory
|
|
def self.included(base)
|
|
base.extend ClassMethods
|
|
end
|
|
|
|
module ClassMethods
|
|
def get_subclass(class_name)
|
|
klass = nil
|
|
begin
|
|
klass = class_name.to_s.classify.constantize
|
|
rescue
|
|
# invalid class name
|
|
end
|
|
unless descendants.include? klass
|
|
klass = nil
|
|
end
|
|
klass
|
|
end
|
|
|
|
# Returns an instance of the given subclass name
|
|
def new_subclass_instance(class_name, *args)
|
|
klass = get_subclass(class_name)
|
|
if klass
|
|
klass.new(*args)
|
|
end
|
|
end
|
|
end
|
|
end
|
|
end
|