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gnosygnu_xowa/100_core/src_200_io/gplx/ios/IoEnginePool.java

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/*
XOWA: the XOWA Offline Wiki Application
Copyright (C) 2012 gnosygnu@gmail.com
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU Affero General Public License as
published by the Free Software Foundation, either version 3 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 Affero General Public License for more details.
You should have received a copy of the GNU Affero General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package gplx.ios; import gplx.*;
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);
}
}