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- # frozen_string_literal: true
-
- # Redmine - project management software
- # Copyright (C) 2006- 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
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