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// SPDX-License-Identifier: GPL-3.0-only
// SPDX-FileCopyrightText: 2026 Project Tick
// SPDX-FileContributor: Project Tick Team
/*
* ProjT Launcher - Minecraft Launcher
* Copyright (C) 2026 Project Tick
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, version 3.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, write to the Free Software Foundation,
* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
#include "java/services/RuntimeCatalog.hpp"
#include <QtNetwork>
#include <QtXml>
#include <QDebug>
#include <algorithm>
#include "Application.h"
#include "java/services/RuntimeScanner.hpp"
#include "tasks/ConcurrentTask.h"
namespace projt::java
{
RuntimeCatalog::RuntimeCatalog(QObject* parent, Scope scope) : BaseVersionList(parent), m_scope(scope)
{}
Task::Ptr RuntimeCatalog::getLoadTask()
{
load();
return currentTask();
}
Task::Ptr RuntimeCatalog::currentTask() const
{
if (m_state == State::Loading)
{
return m_task;
}
return nullptr;
}
void RuntimeCatalog::load()
{
if (m_state != State::Loading)
{
m_state = State::Loading;
m_task.reset(new RuntimeCatalogTask(this, m_scope));
m_task->start();
}
}
const BaseVersion::Ptr RuntimeCatalog::at(int i) const
{
return m_entries.at(i);
}
bool RuntimeCatalog::isLoaded()
{
return m_state == State::Ready;
}
int RuntimeCatalog::count() const
{
return m_entries.count();
}
QVariant RuntimeCatalog::data(const QModelIndex& index, int role) const
{
if (!index.isValid())
return QVariant();
if (index.row() > count())
return QVariant();
auto runtime = std::dynamic_pointer_cast<RuntimeInstall>(m_entries[index.row()]);
switch (role)
{
case SortRole: return -index.row();
case VersionPointerRole: return QVariant::fromValue(m_entries[index.row()]);
case VersionIdRole: return runtime->descriptor();
case VersionRole: return runtime->version.toString();
case RecommendedRole: return false;
case PathRole: return runtime->path;
case CPUArchitectureRole: return runtime->arch;
default: return QVariant();
}
}
BaseVersionList::RoleList RuntimeCatalog::providesRoles() const
{
return { VersionPointerRole, VersionIdRole, VersionRole, RecommendedRole, PathRole, CPUArchitectureRole };
}
void RuntimeCatalog::updateListData(QList<BaseVersion::Ptr> versions)
{
beginResetModel();
m_entries = std::move(versions);
sortVersions();
endResetModel();
m_state = State::Ready;
m_task.reset();
}
static bool sortRuntimes(BaseVersion::Ptr left, BaseVersion::Ptr right)
{
auto rleft = std::dynamic_pointer_cast<RuntimeInstall>(right);
auto rright = std::dynamic_pointer_cast<RuntimeInstall>(left);
return (*rleft) > (*rright);
}
void RuntimeCatalog::sortVersions()
{
std::sort(m_entries.begin(), m_entries.end(), sortRuntimes);
}
RuntimeCatalogTask::RuntimeCatalogTask(RuntimeCatalog* catalog, RuntimeCatalog::Scope scope)
: Task(),
m_catalog(catalog),
m_scope(scope)
{}
void RuntimeCatalogTask::executeTask()
{
setStatus(tr("Detecting Java installations..."));
RuntimeScanner scanner;
QStringList candidatePaths = scanner.collectPaths(m_scope == RuntimeCatalog::Scope::ManagedOnly);
ConcurrentTask::Ptr job(
new ConcurrentTask("Runtime detection", APPLICATION->settings()->get("NumberOfConcurrentTasks").toInt()));
m_job.reset(job);
connect(m_job.get(), &Task::finished, this, &RuntimeCatalogTask::probeFinished);
connect(m_job.get(), &Task::progress, this, &Task::setProgress);
qDebug() << "Probing the following runtime paths:";
int token = 0;
for (const auto& candidate : candidatePaths)
{
RuntimeProbeTask::ProbeSettings settings;
settings.binaryPath = candidate;
settings.token = token;
auto probe = new RuntimeProbeTask(settings);
connect(probe,
&RuntimeProbeTask::probeFinished,
this,
[this](const RuntimeProbeTask::ProbeReport& report) { m_results << report; });
job->addTask(Task::Ptr(probe));
token++;
}
m_job->start();
}
void RuntimeCatalogTask::probeFinished()
{
QList<RuntimeInstallPtr> candidates;
std::sort(m_results.begin(),
m_results.end(),
[](const RuntimeProbeTask::ProbeReport& a, const RuntimeProbeTask::ProbeReport& b)
{ return a.token < b.token; });
qDebug() << "Found the following valid Java installations:";
for (const auto& result : m_results)
{
if (result.status == RuntimeProbeTask::ProbeReport::Status::Valid)
{
RuntimeInstallPtr runtime(new RuntimeInstall());
runtime->version = result.version;
runtime->arch = result.platformArch;
runtime->path = result.path;
runtime->vendor = result.vendor;
runtime->is_64bit = result.is_64bit;
runtime->managed = (m_scope == RuntimeCatalog::Scope::ManagedOnly);
candidates.append(runtime);
qDebug() << " " << runtime->version.toString() << runtime->arch << runtime->path;
}
}
QList<BaseVersion::Ptr> entries;
for (const auto& runtime : candidates)
{
BaseVersion::Ptr base = std::dynamic_pointer_cast<BaseVersion>(runtime);
if (base)
{
entries.append(runtime);
}
}
m_catalog->updateListData(entries);
emitSucceeded();
}
} // namespace projt::java
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