comparison .svn/pristine/22/226ca6df54d2f722db0a366c7bc4bc8b7ec109c6.svn-base @ 1295:622f24f53b42 redmine-2.3

Update to Redmine SVN revision 11972 on 2.3-stable branch
author Chris Cannam
date Fri, 14 Jun 2013 09:02:21 +0100
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1294:3e4c3460b6ca 1295:622f24f53b42
1 # Redmine - project management software
2 # Copyright (C) 2006-2012 Jean-Philippe Lang
3 #
4 # This program is free software; you can redistribute it and/or
5 # modify it under the terms of the GNU General Public License
6 # as published by the Free Software Foundation; either version 2
7 # of the License, or (at your option) any later version.
8 #
9 # This program is distributed in the hope that it will be useful,
10 # but WITHOUT ANY WARRANTY; without even the implied warranty of
11 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 # GNU General Public License for more details.
13 #
14 # You should have received a copy of the GNU General Public License
15 # along with this program; if not, write to the Free Software
16 # Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
17
18 module Redmine
19 module SubclassFactory
20 def self.included(base)
21 base.extend ClassMethods
22 end
23
24 module ClassMethods
25 def get_subclass(class_name)
26 klass = nil
27 begin
28 klass = class_name.to_s.classify.constantize
29 rescue
30 # invalid class name
31 end
32 unless subclasses.include? klass
33 klass = nil
34 end
35 klass
36 end
37
38 # Returns an instance of the given subclass name
39 def new_subclass_instance(class_name, *args)
40 klass = get_subclass(class_name)
41 if klass
42 klass.new(*args)
43 end
44 end
45 end
46 end
47 end