source: SMSSender/src/business/BCLibraryLoader.cpp @ 66:81d097d3b117

/*
 * BCLibraryLoader.cpp
 *
 *  Created on: Jul 10, 2009
 *      Author: saemy
 */

#include "BCLibraryLoader.h"

#include <QApplication>
#include <QDebug>
#include <QDir>
#include <QFileInfo>
#include <QLibrary>

#include <ilibrary.h>
#include <LibraryExceptions.h>

BCLibraryLoader* BCLibraryLoader::instance_=0;
BCLibraryLoader* BCLibraryLoader::instance() {
    return instance_ ? instance_ : (instance_ = new BCLibraryLoader);
}


bool BCLibraryLoader::isLibrary(const QString& filename) {
    return QLibrary::isLibrary(filename);
}

void BCLibraryLoader::loadLibraries(const QDir& libraryPath) {
    foreach (QString filename, libraryPath.entryList(QDir::Files)) {
        loadLibrary(libraryPath.absoluteFilePath(filename));
    }
}

ILibrary* BCLibraryLoader::loadLibrary(const QString& filename) {
    if (libraries_.contains(filename)) {
        return libraries_[filename];
    }

    QLibrary library;
    library.setLoadHints(QLibrary::ResolveAllSymbolsHint | QLibrary::ExportExternalSymbolsHint);
    library.setFileName(filename);

    typedef ILibrary* (*GetLibraryFunc)();
    GetLibraryFunc getLibrary = (GetLibraryFunc)library.resolve("getLibrary");
    if (getLibrary) {
        ILibrary* lib = getLibrary();
        if (lib != NULL) {
            libraries_.insert(filename, lib);
            IGateway* gateway = lib->getGateway();
            if (gateway != NULL) {
                gateways_.insert(lib, gateway);
            }

            return lib;
        } else {
            qWarning() << "The library could not have been loaded: The returned library object was NULL";
        }
    } else {
        qWarning() << "The library could not have been loaded: " + library.errorString();
    }
    return NULL;

/*    pluginLoader()->setLoadHints(QLibrary::ResolveAllSymbolsHint | QLibrary::ExportExternalSymbolsHint);
    pluginLoader()->setFileName(filename);
    QObject* plugin = pluginLoader()->instance();
    if (plugin != NULL) {
        ILibrary* library = qobject_cast<ILibrary*>(plugin);
        if (library != NULL) {
            libraries_.insert(filename, library);
            IGateway* gateway = library->getGateway();
            if (gateway != NULL) {
                gateways_.insert(library, gateway);
            }

            return library;
        }
    } else {
        qWarning() << pluginLoader()->errorString();
    }
    return NULL;*/
}

QList<IGateway*> BCLibraryLoader::gateways() const {
    return gateways_.values();
}

QList<ILibrary*> BCLibraryLoader::libraries() const {
    return libraries_.values();
}