Adds a helper class for calculating random item salvage #18

src/main/java/net/knarcraft/blacksmith/util/ItemHelper.java

@@ -8,12 +8,25 @@ import org.bukkit.inventory.meta.Damageable;
 import java.util.ArrayList;
 import java.util.List;
 
+/**
+ * A helper class for getting information about items
+ */
 public final class ItemHelper {
 
     private ItemHelper() {
 
     }
 
+    /**
+     * Gets the max durability of an item
+     *
+     * @param itemStack <p>The item to get the durability of</p>
+     * @return <p>The max durability of the item</p>
+     */
+    public static short getMaxDurability(ItemStack itemStack) {
+        return itemStack.getType().getMaxDurability();
+    }
+
     /**
      * Gets the current durability of the given item
      *
@@ -22,7 +35,7 @@ public final class ItemHelper {
      */
     public static short getDurability(ItemStack itemStack) {
         Damageable damageable = (Damageable) itemStack.getItemMeta();
-        int maxDurability = itemStack.getType().getMaxDurability();
+        int maxDurability = getMaxDurability(itemStack);
         if (damageable != null) {
             return (short) (maxDurability - damageable.getDamage());
         } else {