303 lines
8.3 KiB
C++
303 lines
8.3 KiB
C++
/******************************************************************************
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* Copyright (C) 2007 by Aaron Seigo <aseigo@kde.org> *
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* *
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* This library is free software; you can redistribute it and/or *
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* modify it under the terms of the GNU Library General Public *
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* License as published by the Free Software Foundation; either *
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* version 2 of the License, or (at your option) any later version. *
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* *
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* This library is distributed in the hope that it will be useful, *
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* but WITHOUT ANY WARRANTY; without even the implied warranty of *
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU *
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* Library General Public License for more details. *
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* *
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* You should have received a copy of the GNU Library General Public License *
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* along with this library; see the file COPYING.LIB. If not, write to *
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* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, *
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* Boston, MA 02110-1301, USA. *
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*******************************************************************************/
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#include "package.h"
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#include <QDir>
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#include <QFile>
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#include <KArchiveDirectory>
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#include <KArchiveEntry>
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#include <KComponentData>
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#include <KIO/FileCopyJob>
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#include <KIO/Job>
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#include <KPluginInfo>
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#include <KStandardDirs>
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#include <KTemporaryFile>
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#include <KZip>
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#include "packagemetadata.h"
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#include "packagestructure.h"
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namespace Plasma
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{
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class Package::Private
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{
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public:
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Private(const PackageStructure& st, const QString& p)
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: structure(st),
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basePath(p),
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valid(QFile::exists(basePath))
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{
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if (valid && basePath[basePath.length() - 1] != '/') {
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basePath.append('/');
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}
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}
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PackageStructure structure;
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QString basePath;
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bool valid;
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};
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Package::Package(const QString& packageRoot, const QString& package,
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const PackageStructure& structure)
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: d(new Private(structure, packageRoot + '/' + package))
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{
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}
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Package::~Package()
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{
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}
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bool Package::isValid() const
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{
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if (!d->valid) {
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return false;
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}
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foreach (const QString& dir, d->structure.requiredDirectories()) {
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if (QFile::exists(d->basePath + '/' + dir)) {
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d->valid = false;
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return false;
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}
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}
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foreach (const QString& file, d->structure.requiredFiles()) {
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if (QFile::exists(d->basePath + '/' + file)) {
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d->valid = false;
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return false;
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}
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}
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return true;
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}
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QString Package::filePath(const char* fileType, const QString& filename) const
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{
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if (!d->valid) {
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return QString();
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}
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QString path = d->structure.path(fileType);
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if (path.isEmpty()) {
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return QString();
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}
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if (!filename.isEmpty()) {
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path.prepend(d->basePath);
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path.append("/").append(filename);
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}
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if (QFile::exists(path)) {
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return path;
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}
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return QString();
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}
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QString Package::filePath(const char* fileType) const
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{
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return filePath(fileType, QString());
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}
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QStringList Package::entryList(const char* fileType) const
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{
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if (!d->valid) {
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return QStringList();
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}
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QString path = d->structure.path(fileType);
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if (path.isEmpty()) {
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return QStringList();
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}
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QDir dir(d->basePath + path);
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if (!dir.exists()) {
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return QStringList();
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}
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return dir.entryList(QDir::Files | QDir::Readable);
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}
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//TODO: provide a version of this that allows one to ask for certain types of packages, etc?
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QStringList Package::knownPackages(const QString& packageRoot) // static
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{
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QDir dir(packageRoot);
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if (!dir.exists()) {
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return QStringList();
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}
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QStringList packages;
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foreach (const QString& dir, dir.entryList(QDir::AllDirs | QDir::Readable)) {
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QString metadata = packageRoot + '/' + dir + "/metadata.desktop";
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if (QFile::exists(metadata)) {
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PackageMetadata m(metadata);
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packages << m.name();
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}
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}
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return packages;
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}
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bool Package::installPackage(const QString& package,
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const QString& packageRoot) // static
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{
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//TODO: report *what* failed if something does fail
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QDir root(packageRoot);
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if (!root.exists()) {
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KStandardDirs::makeDir(packageRoot);
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if (!root.exists()) {
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return false;
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}
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}
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if (!QFile::exists(package)) {
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return false;
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}
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KZip archive(package);
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if (!archive.open(QIODevice::ReadOnly)) {
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return false;
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}
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const KArchiveDirectory* source = archive.directory();
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const KArchiveEntry* metadata = source->entry("metadata.desktop");
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if (!metadata) {
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return false;
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}
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QFile f(package);
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QString tempdir = packageRoot + '/' + f.fileName();
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if (QFile::exists(tempdir)) {
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return false;
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}
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source->copyTo(tempdir);
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QString metadataPath = tempdir + "/metadata.desktop";
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if (!QFile::exists(metadataPath)) {
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KIO::SimpleJob* job = KIO::file_delete(tempdir);
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job->exec();
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return false;
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}
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PackageMetadata meta(metadataPath);
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QString targetName = meta.name();
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if (targetName.isEmpty()) {
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KIO::SimpleJob* job = KIO::file_delete(tempdir);
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job->exec();
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return false;
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}
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targetName = packageRoot + '/' + targetName;
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if (QFile::exists(targetName)) {
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KIO::SimpleJob* job = KIO::file_delete(tempdir);
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job->exec();
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return false;
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}
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KIO::FileCopyJob* job = KIO::file_move(tempdir, targetName);
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if (!job->exec()) {
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KIO::SimpleJob* job = KIO::file_delete(tempdir);
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job->exec();
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return false;
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}
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// and now we register it as a service =)
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targetName.append("/metadata.desktop");
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QString service = KStandardDirs::locateLocal("services",
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KGlobal::mainComponent().componentName());
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KPluginInfo pluginInfo(targetName);
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if (pluginInfo.pluginName().isEmpty()) {
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// should not installing it as a service disqualify it?
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// i don't think so since KServiceTypeTrader may not be
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// used by the installing app in any case, and the
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// package is properly installed - aseigo
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return true;
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}
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service.append(pluginInfo.pluginName()).append(".desktop");
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job = KIO::file_copy(targetName, service);
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return job->exec();
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}
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bool Package::createPackage(const PackageMetadata & metadata,
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const QString& source,
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const QString& destination)
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{
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if (!metadata.isComplete()) {
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kWarning(550) << "Metadata file is not complete" << endl;
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return false;
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}
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KTemporaryFile metadataFile;
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metadataFile.open();
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metadata.write(metadataFile.fileName());
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KTemporaryFile releaseNotes;
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//We just write the content of the QString containing the metadata in an
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//empty temporary file that we will package with the name metadata.desktop
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if (releaseNotes.open()) {
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QTextStream out(&releaseNotes);
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if (metadata.releaseNotes().isEmpty()) {
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out << metadata.releaseNotes();
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} else {
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out << "NO_RELEASE_NOTES";
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}
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}
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//OK, we've got the temporary file with the metadata in it.
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//Now we just need to put everything into a zip archive.
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KZip creation(destination);
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creation.setCompression(KZip::NoCompression);
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if (!creation.open(QIODevice::WriteOnly)) {
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return false;
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}
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creation.addLocalFile(metadataFile.fileName(), "metadata.desktop");
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creation.addLocalFile(releaseNotes.fileName(), "notes.txt");
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if (!metadata.icon().isEmpty()) {
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//TODO: just one icon?
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creation.addLocalFile(metadata.icon(), "icon.png");
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}
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if (!metadata.preview().isEmpty()) {
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//TODO: just one icon?
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creation.addLocalFile(metadata.preview(), "preview.png");
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}
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creation.addLocalDirectory(source, "contents/");
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creation.close();
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return true;
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}
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} // Namespace
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