/*
    Copyright (c) 2010 Bertjan Broeksema <broeksema@kde.org>

    This library is free software; you can redistribute it and/or modify it
    under the terms of the GNU Library General Public License as published by
    the Free Software Foundation; either version 2 of the License, or (at your
    option) any later version.

    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 Library General Public
    License for more details.

    You should have received a copy of the GNU Library General Public License
    along with this library; see the file COPYING.LIB.  If not, write to the
    Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
    02110-1301, USA.
*/
#include "agentpluginloader.h"
#include "akonadiagentserver_debug.h"

#include <private/xdgbasedirs_p.h>
#include <shared/akdebug.h>

using namespace Akonadi;

AgentPluginLoader::AgentPluginLoader()
{
}

AgentPluginLoader::~AgentPluginLoader()
{
    qDeleteAll(m_pluginLoaders);
    m_pluginLoaders.clear();
}

QPluginLoader *AgentPluginLoader::load(const QString &pluginName)
{
    const QString pluginFile = XdgBaseDirs::findPluginFile(pluginName);
    if (pluginFile.isEmpty()) {
        qCWarning(AKONADIAGENTSERVER_LOG) << "plugin file:" << pluginName << "not found!";
        return nullptr;
    }

    QPluginLoader *loader = m_pluginLoaders.value(pluginFile);
    if (loader) {
        return loader;
    } else {
        loader = new QPluginLoader(pluginFile);
        if (!loader->load()) {
            qCWarning(AKONADIAGENTSERVER_LOG) << "Failed to load agent: " << loader->errorString();
            delete loader;
            return nullptr;
        }
        m_pluginLoaders.insert(pluginFile, loader);
        return loader;
    }
}
