minecraft-kajetans-mod/src/main/java/me/km/commands/CommandLastSeen.java

package me.km.commands;

import me.km.KajetansMod;
import me.km.api.GlobalText;
import me.km.api.Module;
import me.km.api.ModuleCommand;
import me.km.playerbank.PlayerBank;
import java.io.File;
import java.text.SimpleDateFormat;
import java.util.Date;
import me.km.permissions.Permissions;
import me.km.table.Table;
import net.minecraft.command.ICommandSender;

public class CommandLastSeen extends ModuleCommand
{
    public CommandLastSeen(Module m) 
    {
        super("lastseen", m);
        super.setDescription("Zeigt an welche Spieler zuletzt online waren");
        super.setUsage("/lastseen [amount]");
        super.setPermission(Permissions.LASTSEEN);
    }

    @Override
    public boolean execute(ICommandSender cs, String[] arg) 
    {
        File[] files = new File("./saves/world/playerdata/").listFiles();
        String helper;
        String name;
        long longhelper;
        Table table = new Table(2);
        
        PlayerBank pb = KajetansMod.playerbank.getDataBank();
        for(File output : files)
        {
            helper = output.getName();
            if(!helper.endsWith(".dat"))
            {
                continue;
            }
            longhelper = output.lastModified(); 
            helper = helper.substring(0, helper.length() - 4);
            name = pb.getName(helper);
            if(name == null)
            {
                name = helper;
            }
            table.addRow(new Object[] {longhelper, name});
        }
        
        table.sort();
        table.reverse();
        SimpleDateFormat ft = new SimpleDateFormat ("dd.MM.yyyy '§rum§7' HH:mm:ss");
        
        Module m = this.getModule();
        int limit = 10;   
        if(arg.length >= 1)
        {
            try
            {
                limit = Integer.parseInt(arg[0]);
                if(limit < 1)
                {
                    throw new NumberFormatException();
                }
            }
            catch(NumberFormatException ex)
            {
                m.send(cs, GlobalText.noPositiveNaturalNumber());
                return true;
            }
        }
        
        if(table.getSize() < limit)
        {
            limit = table.getSize();
        }
        
        m.send(cs, "Zuletzt waren folgende Spieler online:");
        for(int i = 0; i < limit; i++)
        {
            m.sendListElement(cs, "§7" + table.getElement(i, 1) + "§r am §7" + ft.format(new Date((long) table.getElement(i, 0))));
        }
        return true;
    }
}