BauSystem/BauSystem_Main/src/de/steamwar/bausystem/RamUsage.java

/*
 * This file is a part of the SteamWar software.
 *
 * Copyright (C) 2020  SteamWar.de-Serverteam
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero 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 Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with this program.  If not, see <https://www.gnu.org/licenses/>.
 */

package de.steamwar.bausystem;

import org.bukkit.Bukkit;

import java.lang.management.ManagementFactory;
import java.util.logging.Level;

public class RamUsage {

    private RamUsage() {
        throw new IllegalStateException("Utility Class");
    }

    public static double getUsage() {
        try {
            long memorySize = ((com.sun.management.OperatingSystemMXBean) ManagementFactory.getOperatingSystemMXBean()).getTotalPhysicalMemorySize();
            long freeMemory = ((com.sun.management.OperatingSystemMXBean) ManagementFactory.getOperatingSystemMXBean()).getFreePhysicalMemorySize();
            return (memorySize - freeMemory) / (double) memorySize;
        } catch (Throwable throwable) {
            Bukkit.getLogger().log(Level.WARNING, throwable.getMessage(), throwable);
            return 1D;
        }
    }

}