code

package me.brooklyn.simplecord;

import net.dv8tion.jda.api.JDA;
import net.dv8tion.jda.api.JDABuilder;
import net.dv8tion.jda.api.entities.Activity;
import org.bukkit.entity.Player;
import org.bukkit.event.EventHandler;
import org.bukkit.event.Listener;
import org.bukkit.event.player.AsyncPlayerChatEvent;
import org.bukkit.plugin.PluginManager;
import org.bukkit.plugin.java.JavaPlugin;

import javax.security.auth.login.LoginException;

public class SimpleCord extends JavaPlugin implements Listener {

    public static JDA jda;
    String token = getConfig().getString("Discord." + ".BotToken");

    @Override
    public void onEnable(){
        saveDefaultConfig();

        PluginManager pm = getServer().getPluginManager();
        pm.registerEvents(this, this);

        try {
            JDABuilder.createDefault(token)
                        .addEventListeners(this)
                        .build().awaitReady();
        } catch (InterruptedException e) {
            throw new RuntimeException(e);
        } catch (LoginException e) {
            throw new RuntimeException(e);
        }

        if (getConfig().getBoolean("Discord." + ".Activity" + ".Playing", true)) {
            jda.getPresence().setActivity(Activity.playing(getConfig().getString("Discord." + ".Playing")));
        }else if (getConfig().getBoolean("Discord." + ".Activity" + ".Streaming", true)) {
            jda.getPresence().setActivity(Activity.listening(getConfig().getString("Discord." + ".Listening")));
        }else if (getConfig().getBoolean("Discord." + ".Activity" + ".Watching", true)) {
            jda.getPresence().setActivity(Activity.watching(getConfig().getString("Discord." + ".Watching")));
        }

    }

    @Override
    public void onDisable(){
    }

    @EventHandler
    public void onChat(AsyncPlayerChatEvent e){
        Player p = e.getPlayer();
        String m = e.getMessage();
        String serverID = getConfig().getString("Discord." + ".ServerID");
        String channelID = getConfig().getString("Discord." + ".Events" + ".Chat" + ".ChannelID");
        if (getConfig().getBoolean("Discord." + ".Events" + ".Chat" + ".Enabled", true)) {
            jda.getGuildById(serverID).getTextChannelById(channelID)
                    .sendMessage(p.getName() + ": " + m).queue();
        }else{
            return;
        }
    }

}