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/*
KeePass Password Safe - The Open-Source Password Manager
Copyright (C) 2003-2024 Dominik Reichl <dominik.reichl@t-online.de>
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 St, Fifth Floor, Boston, MA 02110-1301 USA
*/
using System;
using System.Collections.Generic;
using System.Text;
using KeePassLib.Delegates;
namespace KeePassLib.Utility
{
public static class TypeOverridePool
{
private static readonly Dictionary<Type, GFunc<object>> g_d =
new Dictionary<Type, GFunc<object>>();
public static void Register(Type t, GFunc<object> f)
{
if(t == null) throw new ArgumentNullException("t");
if(f == null) throw new ArgumentNullException("f");
g_d[t] = f;
}
public static void Unregister(Type t)
{
if(t == null) throw new ArgumentNullException("t");
g_d.Remove(t);
}
public static bool IsRegistered(Type t)
{
if(t == null) throw new ArgumentNullException("t");
return g_d.ContainsKey(t);
}
public static T CreateInstance<T>()
where T : new()
{
GFunc<object> f;
if(g_d.TryGetValue(typeof(T), out f))
return (T)(f());
return new T();
}
}
}
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