kde-extraapps/akregator/interfaces/storagefactoryregistry.cpp

91 lines
2.4 KiB
C++

/*
This file is part of Akregator.
Copyright (C) 2005 Frank Osterfeld <osterfeld@kde.org>
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.
As a special exception, permission is given to link this program
with any edition of Qt, and distribute the resulting executable,
without including the source code for Qt in the source distribution.
*/
#include "storagefactoryregistry.h"
#include "storagefactory.h"
#include <QHash>
#include <QString>
#include <QStringList>
namespace Akregator {
namespace Backend {
class StorageFactoryRegistry::StorageFactoryRegistryPrivate
{
public:
QHash<QString, StorageFactory*> map;
};
StorageFactoryRegistry* StorageFactoryRegistry::m_instance = 0;
StorageFactoryRegistry* StorageFactoryRegistry::self()
{
static StorageFactoryRegistry instance;
if (!m_instance)
m_instance = &instance;
return m_instance;
}
bool StorageFactoryRegistry::registerFactory(StorageFactory* factory, const QString& typestr)
{
if (containsFactory(typestr))
return false;
d->map[typestr] = factory;
return true;
}
void StorageFactoryRegistry::unregisterFactory(const QString& typestr)
{
d->map.remove(typestr);
}
StorageFactory* StorageFactoryRegistry::getFactory(const QString& typestr)
{
return d->map[typestr];
}
bool StorageFactoryRegistry::containsFactory(const QString& typestr) const
{
return d->map.contains(typestr);
}
QStringList StorageFactoryRegistry::list() const
{
return d->map.keys();
}
StorageFactoryRegistry::StorageFactoryRegistry() : d(new StorageFactoryRegistryPrivate)
{
}
StorageFactoryRegistry::~StorageFactoryRegistry()
{
qDeleteAll(d->map);
delete d;
d = 0;
}
} // namespace Backend
} // namespace Akregator