private Trade rechargeSign(final ISign sign, final IEssentials ess, final IUser player) throws SignException, ChargeException
{
final Trade trade = getTrade(sign, 2, false, false, ess);
ItemStack itemInHand = player.getPlayer().getItemInHand();
if (trade.getItemStack() != null && itemInHand != null
&& trade.getItemStack().getTypeId() == itemInHand.getTypeId()
&& trade.getItemStack().getDurability() == itemInHand.getDurability()
&& trade.getItemStack().getEnchantments().equals(itemInHand.getEnchantments()))
{
int amount = itemInHand.getAmount();
amount -= amount % trade.getItemStack().getAmount();
if (amount > 0)
{
final ItemStack stack = itemInHand.clone();
stack.setAmount(amount);
final Trade store = new Trade(stack, ess);
addAmount(sign, 2, store, ess);
store.charge(player);
return store;
}
}
return null;
}
protected final void validateTrade(final ISign sign, final int amountIndex, final int itemIndex, final IUser player, final IEssentials ess) throws SignException
{
if (sign.getLine(itemIndex).equalsIgnoreCase("exp") || sign.getLine(itemIndex).equalsIgnoreCase("xp"))
{
int amount = getIntegerPositive(sign.getLine(amountIndex));
sign.setLine(amountIndex, Integer.toString(amount));
sign.setLine(itemIndex, "exp");
return;
}
final Trade trade = getTrade(sign, amountIndex, itemIndex, player, ess);
final ItemStack item = trade.getItemStack();
sign.setLine(amountIndex, Integer.toString(item.getAmount()));
sign.setLine(itemIndex, sign.getLine(itemIndex).trim());
}
protected final void addAmount(final ISign sign, final int index, final Trade trade, final IEssentials ess) throws SignException
{
final Double money = trade.getMoney();
if (money != null)
{
changeAmount(sign, index, money, ess);
}
final ItemStack item = trade.getItemStack();
if (item != null)
{
changeAmount(sign, index, item.getAmount(), ess);
}
final Integer exp = trade.getExperience();
if (exp != null)
{
changeAmount(sign, index, exp.intValue(), ess);
}
}