storagefactoryregistry.cpp

/*
    This file is part of Akregator.
 
    Copyright (C) 2005 Frank Osterfeld <frank.osterfeld@kdemail.net>
 
    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 TQt, and distribute the resulting executable,
    without including the source code for TQt in the source distribution.
*/
 
#include "storagefactory.h"
#include "storagefactoryregistry.h"
 
#include <kstaticdeleter.h>
 
#include <tqmap.h>
#include <tqstring.h>
#include <tqstringlist.h>
 
namespace Akregator {
namespace Backend {
 
class StorageFactoryRegistry::StorageFactoryRegistryPrivate
{
    public:
        TQMap<TQString, StorageFactory*> map;
};
 
StorageFactoryRegistry* StorageFactoryRegistry::m_instance = 0;
static KStaticDeleter<StorageFactoryRegistry> storagefactoryregistrysd;
 
StorageFactoryRegistry* StorageFactoryRegistry::self()
{
    if (!m_instance)
        m_instance = storagefactoryregistrysd.setObject(m_instance, new StorageFactoryRegistry);
    return m_instance;
}
    
bool StorageFactoryRegistry::registerFactory(StorageFactory* factory, const TQString& typestr)
{
    if (containsFactory(typestr))
        return false;
    d->map[typestr] = factory;
    return true; 
}
 
void StorageFactoryRegistry::unregisterFactory(const TQString& typestr)
{
    d->map.remove(typestr);
}
 
StorageFactory* StorageFactoryRegistry::getFactory(const TQString& typestr)
{
    return d->map[typestr];
}
 
bool StorageFactoryRegistry::containsFactory(const TQString& typestr) const
{
    return d->map.contains(typestr);
}
 
TQStringList StorageFactoryRegistry::list() const
{
    return d->map.keys();
}
 
StorageFactoryRegistry::StorageFactoryRegistry() : d(new StorageFactoryRegistryPrivate)
{
}
 
StorageFactoryRegistry::~StorageFactoryRegistry()
{
    delete d; 
    d = 0;
}
 
}
}