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Provide backwards compatible getStorageContent method for 1.8 #19

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Provide backwards compatible getStorageContent method for 1.8 #19

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27 changes: 26 additions & 1 deletion src/main/java/com/sainttx/auctions/util/AuctionUtil.java
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Original file line number Diff line number Diff line change
Expand Up @@ -20,6 +20,8 @@

package com.sainttx.auctions.util;

import java.util.Arrays;
import org.bukkit.Bukkit;
import org.bukkit.Material;
import org.bukkit.inventory.Inventory;
import org.bukkit.inventory.ItemStack;
Expand All @@ -29,6 +31,22 @@
*/
public class AuctionUtil {

//main content + hotbar
private static final int INVENTORY_MAX_SIZE = 27 + 9;
private static final boolean storageMethodAvailable;

static {
boolean available = false;
try {
Bukkit.createInventory(null, 10).getStorageContents();
available = true;
} catch (NoSuchMethodError noMethodEx) {
available = false;
}

storageMethodAvailable = available;
}

/**
* Gets the amount of slots available for a particular item
*
Expand All @@ -44,8 +62,15 @@ public static int getFreeSlots(Inventory inv, ItemStack base) {
throw new IllegalArgumentException("base item cannot be null");
}

ItemStack[] storageContents;
if (storageMethodAvailable) {
storageContents = inv.getStorageContents();
} else {
storageContents = Arrays.copyOfRange(inv.getContents(), 0, INVENTORY_MAX_SIZE);
}

int totalFree = 0;
for (ItemStack is : inv.getStorageContents()) {
for (ItemStack is : storageContents) {
if (is == null || is.getType() == Material.AIR) {
totalFree += base.getMaxStackSize();
} else if (is.isSimilar(base)) {
Expand Down