SignCMD

package de.flavius.signieren.commands;

import java.io.File;
import java.text.SimpleDateFormat;
import java.util.ArrayList;
import java.util.Calendar;
import java.util.List;
import net.md_5.bungee.api.ChatColor;
import org.bukkit.Material;
import org.bukkit.command.Command;
import org.bukkit.command.CommandExecutor;
import org.bukkit.command.CommandSender;
import org.bukkit.configuration.file.YamlConfiguration;
import org.bukkit.entity.Player;
import org.bukkit.inventory.ItemStack;
import org.bukkit.inventory.meta.ItemMeta;

public class SignCMD implements CommandExecutor {
  public boolean onCommand(CommandSender sender, Command arg1, String arg2, String[] args) {
    File file = new File("plugins/Signieren/config.yml");
	YamlConfiguration cfg = YamlConfiguration.loadConfiguration(file);
	Player p = (Player)sender;
	String prefix = cfg.getString("messages.prefix").replace("&", "§");
	prefix = String.valueOf(prefix) + " §7";
	String signset = cfg.getString("messages.set").replace("&", "§");
	String getIteminHand = cfg.getString("messages.iteminhand").replace("&", "§");
	String NoPerms = cfg.getString("messages.nopermission").replace("&", "§");
   	String timeStamp = (new SimpleDateFormat("dd.MM.yyyy")).format(Calendar.getInstance().getTime());
   	String lines = cfg.getString("signature.lines").replace("&", "§");
   	String liness = cfg.getString("signature.line").replace("&", "§");
   	String ItemSignTrue = cfg.getString("messages.ItemSignTrue").replace("&", "§");
   	String sign = cfg.getString("signature.user").replace("&", "§");
   	String blockedmsg = cfg.getString("Blocked.Message.Sign").replace("&", "§");
   	sign = sign.replace("%PLAYER%", p.getName());
    sign = sign.replace("%DISPLAYNAME%", p.getDisplayName());
    sign = sign.replace("%DATE%", timeStamp);
    if (p.hasPermission("signieren.sign") || p.hasPermission("signieren.*")) {
      if (args.length == 0) {
        p.sendMessage(String.valueOf(prefix) + signset);
        return true;
      }
      if (p.getInventory().getItemInHand().getType().equals(Material.AIR)) {
        sender.sendMessage(String.valueOf(prefix) + getIteminHand);
        return true;
      }
      for (String items : cfg.getStringList("Blocked.Items")) {
        if (p.getInventory().getItemInHand().getType() == Material.matchMaterial(items)) {
          sender.sendMessage(String.valueOf(prefix) + blockedmsg);
          return true;
        }
      }
      if (p.getInventory().getItemInHand().getAmount() > 1) {
        sender.sendMessage(String.valueOf(prefix) + "darfst nur ein Item gleichzeitig signieren.");
        return true;
      }
      StringBuilder builder = new StringBuilder("");
      for (int i = 0; i < args.length; i++) {
        if (i == args.length - 1) {
          builder.append(args[i]);
        } else {
          builder.append(args[i]).append(" ");
        }
      }
      String msg = ChatColor.translateAlternateColorCodes('&', builder.toString());
      String success = cfg.getString("messages.success").replace("&", "§");
      ItemStack item = p.getItemInHand();
      ItemMeta meta = item.getItemMeta();
      List<String> lore = meta.getLore();
      if (lore == null) {
        lore = new ArrayList<>();
      } else {
        p.sendMessage(String.valueOf(prefix) + ItemSignTrue);
        return true;
      }
      lore.add("");
      lore.add(msg);
      if (lines.equalsIgnoreCase("true")) {
        lore.add(liness);
        lore.add(sign);
        lore.add(liness);
      } else {
        lore.add(sign);
      }
      meta.setLore(lore);
      item.setItemMeta(meta);
      p.sendMessage(String.valueOf(prefix) + success);
    } else {
      p.sendMessage(String.valueOf(prefix) + NoPerms);
    }
    return false;
  }
}