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

package de.steamwar.bausystem;

import de.steamwar.bausystem.commands.*;
import de.steamwar.bausystem.world.ArenaSection;
import de.steamwar.bausystem.world.BauScoreboard;
import de.steamwar.bausystem.world.RegionListener;
import de.steamwar.bausystem.world.TNTListener;
import de.steamwar.core.CommandRemover;
import de.steamwar.sql.SteamwarUser;
import org.bukkit.Bukkit;
import org.bukkit.configuration.InvalidConfigurationException;
import org.bukkit.entity.Player;
import org.bukkit.event.EventHandler;
import org.bukkit.event.Listener;
import org.bukkit.event.entity.PlayerDeathEvent;
import org.bukkit.event.player.PlayerLoginEvent;
import org.bukkit.event.player.PlayerQuitEvent;
import org.bukkit.permissions.PermissionAttachment;
import org.bukkit.plugin.java.JavaPlugin;

import java.io.File;
import java.io.IOException;
import java.util.List;
import java.util.UUID;
import java.util.logging.Level;

public class BauSystem extends JavaPlugin implements Listener {
    private static BauSystem plugin;
    private static UUID owner;
    private static List<ArenaSection> sections;
    public static final String PREFIX = "§eBauSystem§8» §7";
    public static final String SECTION_PATH = "/home/minecraft/backbone/server/UserBau/";

    @Override
    public void onEnable() {
        plugin = this;

        String worldName = Bukkit.getWorlds().get(0).getName();
        try{
            owner = UUID.fromString(worldName);
            sections = ArenaSection.loadFromFile(new File(Bukkit.getWorldContainer().getPath() + '/' + owner.toString() + "/sections.yml"));
        }catch(IllegalArgumentException e){
            try{
                int ownerID = Integer.parseInt(worldName);
                owner = SteamwarUser.get(ownerID).getUUID();
                sections = ArenaSection.loadFromFile(new File(Bukkit.getWorldContainer().getPath() + '/' + ownerID + "/sections.yml"));
            }catch(NumberFormatException | IOException | InvalidConfigurationException ex){
                getLogger().log(Level.SEVERE, "owner is no UUID / failed to load sections.yml", e);
                Bukkit.shutdown();
                return;
            }
        } catch (InvalidConfigurationException | IOException e) {
            getLogger().log(Level.SEVERE, "Failed to load sections.yml", e);
            Bukkit.shutdown();
            return;
        }

        try {
            CommandRemover.removeAll("tp", "gamemode", "time");
            CommandInjector.injectCommand(new CommandTeleport());
            CommandInjector.injectCommand(new CommandGamemode());
            CommandInjector.injectCommand(new CommandTime());
        } catch (Exception e) {
            getLogger().log(Level.SEVERE, "Failed to replace commands", e);
            Bukkit.shutdown();
            return;
        }

        getCommand("trace").setExecutor(new CommandTrace());
        getCommand("nightvision").setExecutor(new CommandNV());
        getCommand("reset").setExecutor(new CommandReset());
        getCommand("speed").setExecutor(new CommandSpeed());
        getCommand("tnt").setExecutor(new CommandTNT());
        getCommand("fire").setExecutor(new CommandFire());
        getCommand("freeze").setExecutor(new CommandFreeze());
        getCommand("testblock").setExecutor(new CommandTestblock());
        getCommand("bau").setExecutor(new CommandBau());
        getCommand("bauinfo").setExecutor(new CommandInfo());
        getCommand("protect").setExecutor(new CommandProtect());
        getCommand("skull").setExecutor(new CommandSkull());
        getCommand("loader").setExecutor(new CommandLoader());
        getCommand("lockschem").setExecutor(new CommandLockschem());

        Bukkit.getPluginManager().registerEvents(this, this);
        Bukkit.getPluginManager().registerEvents(new RegionListener(), this);
        Bukkit.getPluginManager().registerEvents(new TNTListener(), this);
        Bukkit.getPluginManager().registerEvents(new BauScoreboard(), this);
    }

    public static BauSystem getPlugin(){
        return plugin;
    }
    public static UUID getOwner(){
        return owner;
    }
    public static List<ArenaSection> getSections(){
        return sections;
    }
    public static int getOwnerID(){
        return SteamwarUser.get(owner).getId();
    }

    @EventHandler
    public void onDeath(PlayerDeathEvent e) {
        e.setDeathMessage(null);
    }

    @EventHandler
    public void onJoin(PlayerLoginEvent e) {
        Player p = e.getPlayer();
        PermissionAttachment attachment = p.addAttachment(this);
        attachment.setPermission("F3NPerm.use", true);
        attachment.setPermission("fawe.permpack.basic", true);
        attachment.setPermission("worldedit.navigation.jumpto.tool", true);
        attachment.setPermission("worldedit.navigation.thru.tool", true);
    }

    @EventHandler
    public void onLeave(PlayerQuitEvent e) {
        if(Bukkit.getOnlinePlayers().isEmpty() || (Bukkit.getOnlinePlayers().size() == 1 && Bukkit.getOnlinePlayers().contains(e.getPlayer())))
            Bukkit.shutdown();
    }
}