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/*
* Copyright (C) 2014 Aaron Seigo <aseigo@kde.org>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) version 3, or any
* later version accepted by the membership of KDE e.V. (or its
* successor approved by the membership of KDE e.V.), which shall
* act as a proxy defined in Section 6 of version 3 of the license.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library. If not, see <http://www.gnu.org/licenses/>.
*/
#include "resource.h"
#include <QCoreApplication>
#include <QDir>
#include <QPluginLoader>
#include <QPointer>
#include "facadefactory.h"
#include "adaptorfactoryregistry.h"
namespace Sink {
Resource::Resource() : QObject(), d(0)
{
Q_UNUSED(d);
}
Resource::~Resource()
{
// delete d;
}
void Resource::processCommand(int commandId, const QByteArray &data)
{
Q_UNUSED(commandId)
Q_UNUSED(data)
}
void Resource::setLowerBoundRevision(qint64 revision)
{
Q_UNUSED(revision)
}
class ResourceFactory::Private
{
public:
QByteArrayList capabilities;
};
typedef QHash<QString, QPointer<ResourceFactory>> FactoryRegistry;
Q_GLOBAL_STATIC(FactoryRegistry, s_loadedFactories);
ResourceFactory::ResourceFactory(QObject *parent, const QByteArrayList &capabilities) : QObject(parent), d(new ResourceFactory::Private)
{
d->capabilities = capabilities;
}
ResourceFactory::~ResourceFactory()
{
delete d;
}
ResourceFactory *ResourceFactory::load(const QByteArray &resourceName)
{
ResourceFactory *factory = s_loadedFactories->value(resourceName);
if (factory) {
return factory;
}
for (auto const &path : QCoreApplication::instance()->libraryPaths()) {
if (path.endsWith(QLatin1String("plugins"))) {
QDir pluginDir(path);
// TODO: centralize this so that it is easy to change centrally
// also ref'd in cmake as ${SINK_RESOURCE_PLUGINS_PATH}
pluginDir.cd(QStringLiteral("sink"));
pluginDir.cd(QStringLiteral("resources"));
for (const QString &fileName : pluginDir.entryList(QDir::Files)) {
const QString path = pluginDir.absoluteFilePath(fileName);
QPluginLoader loader(path);
const QString id = loader.metaData()[QStringLiteral("IID")].toString();
if (id == resourceName) {
QObject *object = loader.instance();
if (object) {
factory = qobject_cast<ResourceFactory *>(object);
if (factory) {
s_loadedFactories->insert(resourceName, factory);
//TODO: Instead of always loading both facades and adaptorfactories into the respective singletons, we could also leave this up to the caller. (ResourceFactory::loadFacades(...))
factory->registerFacades(resourceName, FacadeFactory::instance());
factory->registerAdaptorFactories(resourceName, AdaptorFactoryRegistry::instance());
// TODO: if we need more data on it const QJsonObject json = loader.metaData()[QStringLiteral("MetaData")].toObject();
return factory;
} else {
qWarning() << "Plugin for" << resourceName << "from plugin" << loader.fileName() << "produced the wrong object type:" << object;
delete object;
}
} else {
qWarning() << "Could not load factory for" << resourceName << "from plugin" << loader.fileName() << "due to the following error:" << loader.errorString();
}
}
}
}
}
qWarning() << "Failed to find factory for resource:" << resourceName;
return nullptr;
}
QByteArrayList ResourceFactory::capabilities() const
{
return d->capabilities;
}
} // namespace Sink
// Ignore warning I don't know how to fix in a moc file
#pragma clang diagnostic push
#pragma clang diagnostic ignored "-Wundefined-reinterpret-cast"
#include "moc_resource.cpp"
#pragma clang diagnostic pop
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