akregator/src
storagefactoryregistry.cpp
00001 /* 00002 This file is part of Akregator. 00003 00004 Copyright (C) 2005 Frank Osterfeld <frank.osterfeld@kdemail.net> 00005 00006 This program is free software; you can redistribute it and/or modify 00007 it under the terms of the GNU General Public License as published by 00008 the Free Software Foundation; either version 2 of the License, or 00009 (at your option) any later version. 00010 00011 This program is distributed in the hope that it will be useful, 00012 but WITHOUT ANY WARRANTY; without even the implied warranty of 00013 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 00014 GNU General Public License for more details. 00015 00016 You should have received a copy of the GNU General Public License 00017 along with this program; if not, write to the Free Software 00018 Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. 00019 00020 As a special exception, permission is given to link this program 00021 with any edition of Qt, and distribute the resulting executable, 00022 without including the source code for Qt in the source distribution. 00023 */ 00024 00025 #include "storagefactory.h" 00026 #include "storagefactoryregistry.h" 00027 00028 #include <kstaticdeleter.h> 00029 00030 #include <qmap.h> 00031 #include <qstring.h> 00032 #include <qstringlist.h> 00033 00034 namespace Akregator { 00035 namespace Backend { 00036 00037 class StorageFactoryRegistry::StorageFactoryRegistryPrivate 00038 { 00039 public: 00040 QMap<QString, StorageFactory*> map; 00041 }; 00042 00043 StorageFactoryRegistry* StorageFactoryRegistry::m_instance = 0; 00044 static KStaticDeleter<StorageFactoryRegistry> storagefactoryregistrysd; 00045 00046 StorageFactoryRegistry* StorageFactoryRegistry::self() 00047 { 00048 if (!m_instance) 00049 m_instance = storagefactoryregistrysd.setObject(m_instance, new StorageFactoryRegistry); 00050 return m_instance; 00051 } 00052 00053 bool StorageFactoryRegistry::registerFactory(StorageFactory* factory, const QString& typestr) 00054 { 00055 if (containsFactory(typestr)) 00056 return false; 00057 d->map[typestr] = factory; 00058 return true; 00059 } 00060 00061 void StorageFactoryRegistry::unregisterFactory(const QString& typestr) 00062 { 00063 d->map.remove(typestr); 00064 } 00065 00066 StorageFactory* StorageFactoryRegistry::getFactory(const QString& typestr) 00067 { 00068 return d->map[typestr]; 00069 } 00070 00071 bool StorageFactoryRegistry::containsFactory(const QString& typestr) const 00072 { 00073 return d->map.contains(typestr); 00074 } 00075 00076 QStringList StorageFactoryRegistry::list() const 00077 { 00078 return d->map.keys(); 00079 } 00080 00081 StorageFactoryRegistry::StorageFactoryRegistry() : d(new StorageFactoryRegistryPrivate) 00082 { 00083 } 00084 00085 StorageFactoryRegistry::~StorageFactoryRegistry() 00086 { 00087 delete d; 00088 d = 0; 00089 } 00090 00091 } 00092 }