TF-EssentialsX/Essentials/src/com/earth2me/essentials/commands/Commandspawner.java

package com.earth2me.essentials.commands;

import static com.earth2me.essentials.I18n.tl;
import com.earth2me.essentials.Mob;
import com.earth2me.essentials.Trade;
import com.earth2me.essentials.User;
import com.earth2me.essentials.utils.LocationUtil;
import com.earth2me.essentials.utils.NumberUtil;
import com.earth2me.essentials.utils.StringUtil;
import java.util.Locale;
import org.bukkit.Location;
import org.bukkit.Material;
import org.bukkit.Server;
import org.bukkit.block.CreatureSpawner;


public class Commandspawner extends EssentialsCommand
{
	public Commandspawner()
	{
		super("spawner");
	}

	@Override
	protected void run(final Server server, final User user, final String commandLabel, final String[] args) throws Exception
	{
		if (args.length < 1 || args[0].length() < 2)
		{
			throw new NotEnoughArgumentsException(tl("mobsAvailable", StringUtil.joinList(Mob.getMobList())));
		}

		final Location target = LocationUtil.getTarget(user.getBase());
		if (target == null || target.getBlock().getType() != Material.MOB_SPAWNER)
		{
			throw new Exception(tl("mobSpawnTarget"));
		}

		String name = args[0];
		int delay = 0;

		Mob mob = null;
		mob = Mob.fromName(name);
		if (mob == null)
		{
			throw new Exception(tl("invalidMob"));
		}
		if (ess.getSettings().getProtectPreventSpawn(mob.getType().toString().toLowerCase(Locale.ENGLISH)))
		{
			throw new Exception(tl("disabledToSpawnMob"));
		}
		if (!user.isAuthorized("essentials.spawner." + mob.name.toLowerCase(Locale.ENGLISH)))
		{
			throw new Exception(tl("noPermToSpawnMob"));
		}
		if (args.length > 1)
		{
			if (NumberUtil.isInt(args[1]))
			{
				delay = Integer.parseInt(args[1]);
			}
		}
		final Trade charge = new Trade("spawner-" + mob.name.toLowerCase(Locale.ENGLISH), ess);
		charge.isAffordableFor(user);
		try
		{
			CreatureSpawner spawner = (CreatureSpawner)target.getBlock().getState();
			spawner.setSpawnedType(mob.getType());
			spawner.setDelay(delay);
			spawner.update();
		}
		catch (Throwable ex)
		{
			throw new Exception(tl("mobSpawnError"), ex);
		}
		charge.charge(user);
		user.sendMessage(tl("setSpawner", mob.name));

	}
}