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/* Copyright 2013-2015 MultiMC Contributors
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include "CheckJava.h"
#include <launch/LaunchTask.h>
#include <QStandardPaths>
void CheckJava::executeTask()
{
auto instance = m_parent->instance();
auto javaPath = instance->settings()->get("JavaPath").toString();
emit logLine("Java path is:\n" + m_javaPath + "\n\n", MessageLevel::MultiMC);
auto realJavaPath = QStandardPaths::findExecutable(m_javaPath);
if (realJavaPath.isEmpty())
{
emit logLine(tr("The java binary \"%1\" couldn't be found. You may have to set up java "
"if Minecraft fails to launch.").arg(m_javaPath),
MessageLevel::Warning);
}
QFileInfo javaInfo(realJavaPath);
qlonglong javaUnixTime = javaInfo.lastModified().toMSecsSinceEpoch();
auto storedUnixTime = instance->settings()->get("JavaTimestamp").toLongLong();
m_javaUnixTime = javaUnixTime;
// if they are not the same, check!
if(javaUnixTime != storedUnixTime)
{
m_JavaChecker = std::make_shared<JavaChecker>();
bool successful = false;
QString errorLog;
QString version;
emit logLine(tr("Checking Java version..."), MessageLevel::MultiMC);
connect(m_JavaChecker.get(), &JavaChecker::checkFinished, this, &CheckJava::checkJavaFinished);
m_JavaChecker->m_path = realJavaPath;
m_JavaChecker->performCheck();
}
emitSucceeded();
}
void CheckJava::checkJavaFinished(JavaCheckResult result)
{
if(!result.valid)
{
// Error message displayed if java can't start
emit logLine(tr("Could not start java:"), MessageLevel::Error);
emit logLines(result.errorLog.split('\n'), MessageLevel::Error);
emit logLine("\nCheck your MultiMC Java settings.", MessageLevel::MultiMC);
emitFailed(tr("Could not start java!"));
}
else
{
auto instance = m_parent->instance();
emit logLine(tr("Java version is %1!\n").arg(result.javaVersion), MessageLevel::MultiMC);
instance->settings()->set("JavaVersion", result.javaVersion);
instance->settings()->set("JavaTimestamp", m_javaUnixTime);
emitSucceeded();
}
}
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