Add java version checker

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N0tMyFaultOG 2020-12-04 12:15:56 +01:00
parent ec683cdf88
commit 5d30e0854f
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2 changed files with 78 additions and 0 deletions

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@ -156,6 +156,7 @@ import java.util.concurrent.Executors;
import java.util.concurrent.LinkedBlockingQueue;
import java.util.concurrent.TimeUnit;
import static com.plotsquared.bukkit.util.JavaVersionCheck.checkJavaVersion;
import static com.plotsquared.core.util.PremiumVerification.getDownloadID;
import static com.plotsquared.core.util.PremiumVerification.getResourceID;
import static com.plotsquared.core.util.PremiumVerification.getUserID;
@ -242,6 +243,9 @@ public final class BukkitPlatform extends JavaPlugin implements Listener, PlotPl
return;
}
// Check whether the server runs on 11 or greater
checkJavaVersion();
// We create the injector after PlotSquared has been initialized, so that we have access
// to generated instances and settings
this.injector = Guice

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@ -0,0 +1,74 @@
/*
* _____ _ _ _____ _
* | __ \| | | | / ____| | |
* | |__) | | ___ | |_| (___ __ _ _ _ __ _ _ __ ___ __| |
* | ___/| |/ _ \| __|\___ \ / _` | | | |/ _` | '__/ _ \/ _` |
* | | | | (_) | |_ ____) | (_| | |_| | (_| | | | __/ (_| |
* |_| |_|\___/ \__|_____/ \__, |\__,_|\__,_|_| \___|\__,_|
* | |
* |_|
* PlotSquared plot management system for Minecraft
* Copyright (C) 2020 IntellectualSites
*
* 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, either version 3 of the License, or
* (at your option) any later version.
*
* 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, see <https://www.gnu.org/licenses/>.
*/
package com.plotsquared.bukkit.util;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
public class JavaVersionCheck {
private static final Logger logger = LoggerFactory.getLogger("P2/" + JavaVersionCheck.class.getSimpleName());
public JavaVersionCheck() {}
public static void checkJavaVersion() {
final String javaVersion = System.getProperty("java.version");
final int dotIndex = javaVersion.indexOf('.');
if (javaVersion.startsWith("1.")) {
JavaVersionCheck.notify(javaVersion, logger);
return;
}
final int endIndex = dotIndex == -1 ? javaVersion.length() : dotIndex;
final String version = javaVersion.substring(0, endIndex);
final int javaVersionNumber;
try {
javaVersionNumber = Integer.parseInt(version);
} catch (final NumberFormatException e) {
logger.error("Failed to determine Java version. Could not parse {}", version, e);
JavaVersionCheck.notify(javaVersion, logger);
return;
}
if (javaVersionNumber < 11) {
JavaVersionCheck.notify(javaVersion, logger);
}
}
public static void notify(final String version, final Logger logger) {
logger.error("************************************************************");
logger.error("* WARNING - YOU ARE RUNNING AN OUTDATED VERSION OF JAVA.");
logger.error("* PLOTSQUARED WILL STOP BEING COMPATIBLE WITH THIS VERSION OF");
logger.error("* JAVA WHEN MINECRAFT 1.17 IS RELEASED.");
logger.error("*");
logger.error("* Please update the version of Java to 11.");
logger.error("*");
logger.error("* Current Java version: " + version);
logger.error("************************************************************");
}
}