@Override
public boolean finalizeTransaction(TransactionInfo info) {
String stock = info.getStock().name().toLowerCase();
Player player = info.getPlayerParticipant();
int amount = info.getAmount();
boolean result = false;
int endAmount = amount * this.amount;
ItemStack clone = is.clone();
clone.setAmount(endAmount);
if (stock == "sell") {
ItemStack[] contents = player.getInventory().getContents();
for (int i = 0; i < contents.length && endAmount > 0; ++i) {
ItemStack nItem = contents[i];
if (nItem != null && nItem.isSimilar(clone)) {
int diff = endAmount - nItem.getAmount();
if (diff < 0) nItem.setAmount(-diff);
else player.getInventory().setItem(i, null);
endAmount = diff;
}
}
result = true;
} else if (stock == "buy") {
player.getInventory().addItem(clone);
result = true;
}
return result;
}
@Override
public boolean allowTransaction(TransactionInfo info) {
String stock = info.getStock().name().toLowerCase();
Player player = info.getPlayerParticipant();
int amount = info.getAmount();
boolean result = false;
int endAmount = amount * this.amount;
if (stock == "sell") {
result = player.getInventory().containsAtLeast(is, endAmount);
} else if (stock == "buy") {
ItemStack[] contents = player.getInventory().getContents();
for (int i = 0; i < contents.length && endAmount > 0; ++i) {
if (contents[i] == null) endAmount -= 64;
else if (contents[i].isSimilar(is)) endAmount -= contents[i].getAmount();
}
}
return result;
}