From d2af5fb0add876be1a1b01d163ed3caa1657f7c3 Mon Sep 17 00:00:00 2001
From: Eric <biederteric.eb@gmail.com>
Date: Sat, 17 Aug 2019 14:07:51 +0200
Subject: [PATCH] Make ShopProduct abstract class

---
 .../shopchest/api/shop/ShopProduct.java       | 43 ++++++++++++++++---
 1 file changed, 37 insertions(+), 6 deletions(-)

diff --git a/api/src/main/java/de/epiceric/shopchest/api/shop/ShopProduct.java b/api/src/main/java/de/epiceric/shopchest/api/shop/ShopProduct.java
index 202b918..2d6b173 100644
--- a/api/src/main/java/de/epiceric/shopchest/api/shop/ShopProduct.java
+++ b/api/src/main/java/de/epiceric/shopchest/api/shop/ShopProduct.java
@@ -7,7 +7,14 @@ import org.bukkit.inventory.ItemStack;
  * 
  * @since 1.13
  */
-public interface ShopProduct {
+public abstract class ShopProduct implements Cloneable {
+    private ItemStack itemStack;
+    private int amount;
+
+    public ShopProduct(ItemStack itemStack, int amount) {
+        this.itemStack = itemStack;
+        this.amount = amount;
+    }
 
     /**
      * Gets a copy of this product's {@link ItemStack} with an amount of one
@@ -15,7 +22,9 @@ public interface ShopProduct {
      * @return the item
      * @since 1.13
      */
-    ItemStack getItemStack();
+    public ItemStack getItemStack() {
+        return itemStack.clone();
+    }
 
     /**
      * Sets this product's {@link ItemStack}
@@ -25,7 +34,10 @@ public interface ShopProduct {
      * @param itemStack the item
      * @since 1.13
      */
-    void setItemStack(ItemStack itemStack);
+    public void setItemStack(ItemStack itemStack) {
+        this.itemStack = itemStack.clone();
+        this.itemStack.setAmount(1);
+    }
 
     /**
      * Gets the amount of items bought or sold in one transaction
@@ -33,7 +45,9 @@ public interface ShopProduct {
      * @return the amount
      * @since 1.13
      */
-    int getAmount();
+    public int getAmount() {
+        return amount;
+    }
 
     /**
      * Sets the amount of items bought or sold in one transaction
@@ -41,7 +55,9 @@ public interface ShopProduct {
      * @param amount the amount
      * @since 1.13
      */
-    void setAmount(int amount);
+    public void setAmount(int amount) {
+        this.amount = amount;
+    }
 
     /**
      * Gets the localized name of this product's item in the configured langauge file
@@ -49,6 +65,21 @@ public interface ShopProduct {
      * @return the localized name
      * @since 1.13
      */
-    String getLocalizedName();
+    public abstract String getLocalizedName();
+
+    @Override
+    public ShopProduct clone() {
+        try {
+            ShopProduct shopProduct = (ShopProduct) super.clone();
+
+            if (this.itemStack != null) {
+                shopProduct.itemStack = this.itemStack.clone();
+            }
+
+            return shopProduct;
+        } catch (CloneNotSupportedException e) {
+            throw new Error(e);
+        }
+    }
     
 }
\ No newline at end of file