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