/* XOWA: the XOWA Offline Wiki Application Copyright (C) 2012-2017 gnosygnu@gmail.com XOWA is licensed under the terms of the General Public License (GPL) Version 3, or alternatively under the terms of the Apache License Version 2.0. You may use XOWA according to either of these licenses as is most appropriate for your project on a case-by-case basis. The terms of each license can be found in the source code repository: GPLv3 License: https://github.com/gnosygnu/xowa/blob/master/LICENSE-GPLv3.txt Apache License: https://github.com/gnosygnu/xowa/blob/master/LICENSE-APACHE2.txt */ package gplx.core.ios; import gplx.*; import gplx.core.*; public class IoEnginePool { private final Hash_adp hash = Hash_adp_.New(); public void Add_if_dupe_use_nth(IoEngine engine) { hash.Del(engine.Key()); hash.Add(engine.Key(), engine); } public IoEngine Get_by(String key) { IoEngine rv = (IoEngine)hash.Get_by(key); return rv == null ? IoEngine_.Mem : rv; // rv == null when url is null or empty; return Mem which should be a noop; DATE:2013-06-04 } public static final IoEnginePool Instance = new IoEnginePool(); IoEnginePool() { this.Add_if_dupe_use_nth(IoEngine_.Sys); this.Add_if_dupe_use_nth(IoEngine_.Mem); } }