Paper/patches/api/0393-Added-byte-array-serialization-deserialization-for-P.patch

From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Nex <nex@bits.team>
Date: Thu, 24 Feb 2022 16:28:08 +0100
Subject: [PATCH] Added byte array serialization/deserialization for
 PersistentDataContainers


diff --git a/src/main/java/org/bukkit/persistence/PersistentDataContainer.java b/src/main/java/org/bukkit/persistence/PersistentDataContainer.java
index eebb3da156e2d95efbe22d4afa470b977ce19f10..d30ad7cae1dfbb47ab1a6e3e2fcd6fb76163fe78 100644
--- a/src/main/java/org/bukkit/persistence/PersistentDataContainer.java
+++ b/src/main/java/org/bukkit/persistence/PersistentDataContainer.java
@@ -164,5 +164,38 @@ public interface PersistentDataContainer {
      * @throws NullPointerException if the key to look up is null
      */
     boolean has(@NotNull NamespacedKey key);
+
+    /**
+     * Serialize this {@link PersistentDataContainer} instance to a
+     * byte array.
+     *
+     * @return a binary represenation of this container
+     * @throws java.io.IOException if we fail to write this container to a byte array
+     */
+    byte @NotNull [] serializeToBytes() throws java.io.IOException;
+
+    /**
+     * Read values from a serialised byte array into this
+     * {@link PersistentDataContainer} instance.
+     *
+     * @param bytes the byte array to read from
+     * @param clear if true, this {@link PersistentDataContainer} instance
+     *              will be cleared before reading
+     * @throws java.io.IOException if the byte array has an invalid format
+     */
+    void readFromBytes(byte @NotNull [] bytes, boolean clear) throws java.io.IOException;
+
+    /**
+     * Read values from a serialised byte array into this
+     * {@link PersistentDataContainer} instance.
+     * This method has the same effect as
+     * <code>PersistentDataContainer#readFromBytes(bytes, true)</code>
+     *
+     * @param bytes the byte array to read from
+     * @throws java.io.IOException if the byte array has an invalid format
+     */
+    default void readFromBytes(byte @NotNull [] bytes) throws java.io.IOException {
+        this.readFromBytes(bytes, true);
+    }
     // Paper end
 }