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52a05907c7
Upstream has released updates that appear to apply and compile correctly. This update has not been tested by PaperMC and as with ANY update, please do your own testing Bukkit Changes: 97c59261 PR-1073: Make Biome an interface a38581aa Fix further javadoc errors 8271c490 Fix javadoc error 8a9ecf29 PR-1072: Fix bad naming for Vault State methods 6dd58108 PR-1071: Make Fluid an interface and add missing entry ed2cdfc3 PR-1070: Make Attribute an interface and align names with the new minecraft ones 63472efb PR-1069: Add missing winter drop experimental annotation to pale boats CraftBukkit Changes: 7235ad7b0 PR-1501: Make Biome an interface 602904003 PR-1500: Rename implementation for Vault State methods 75f26f79f PR-1499: Make Fluid an interface and add missing entry 4cfd87adc PR-1498: Make Attribute an interface and align names with the new minecraft ones 6bb0db5cb SPIGOT-7928: ExactChoice acts as MaterialChoice 3eaf3a13c SPIGOT-7929: Error when setting EquippableComponent abbf57bac SPIGOT-7930: Fix spawning entities with SummonEntityEffect 92d6ab6cf PR-1497: Move boat field rename entries to below key renaming, so that keys are also renamed abfe292aa PR-1496: Use correct Fluid class on Tags type check c7aab7fa7 SPIGOT-7923: Fix Dispenser logic to avoid firing empty projectiles
177 lines
8.4 KiB
Diff
177 lines
8.4 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: Mariell Hoversholm <proximyst@proximyst.com>
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Date: Thu, 30 Apr 2020 16:56:31 +0200
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Subject: [PATCH] Add Raw Byte ItemStack Serialization
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Serializes using NBT which is safer for server data migrations than bukkits format.
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Co-authored-by: Nassim Jahnke <nassim@njahnke.dev>
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diff --git a/src/main/java/org/bukkit/UnsafeValues.java b/src/main/java/org/bukkit/UnsafeValues.java
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index 8b5e4756d1c80e55be166dbe1faf57799f9cc03b..66d29e7f4187309d4a55202d1bda4b94e42211b0 100644
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--- a/src/main/java/org/bukkit/UnsafeValues.java
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+++ b/src/main/java/org/bukkit/UnsafeValues.java
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@@ -164,5 +164,9 @@ public interface UnsafeValues {
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default com.destroystokyo.paper.util.VersionFetcher getVersionFetcher() {
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return new com.destroystokyo.paper.util.VersionFetcher.DummyVersionFetcher();
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}
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+
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+ byte[] serializeItem(ItemStack item);
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+
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+ ItemStack deserializeItem(byte[] data);
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// Paper end
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}
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diff --git a/src/main/java/org/bukkit/inventory/ItemStack.java b/src/main/java/org/bukkit/inventory/ItemStack.java
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index e9c29fc1db686b80bc2477d78ec2b361b8600b9e..af09398e0864d338da530495bfd577db8adbe65a 100644
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--- a/src/main/java/org/bukkit/inventory/ItemStack.java
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+++ b/src/main/java/org/bukkit/inventory/ItemStack.java
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@@ -661,6 +661,117 @@ public class ItemStack implements Cloneable, ConfigurationSerializable, Translat
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return Bukkit.getServer().getItemFactory().ensureServerConversions(this);
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}
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+ /**
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+ * Deserializes this itemstack from raw NBT bytes. NBT is safer for data migrations as it will
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+ * use the built in data converter instead of bukkits dangerous serialization system.
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+ *
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+ * This expects that the DataVersion was stored on the root of the Compound, as saved from
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+ * the {@link #serializeAsBytes()} API returned.
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+ * @param bytes bytes representing an item in NBT
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+ * @return ItemStack migrated to this version of Minecraft if needed.
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+ */
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+ @NotNull
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+ public static ItemStack deserializeBytes(@NotNull byte[] bytes) {
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+ return org.bukkit.Bukkit.getUnsafe().deserializeItem(bytes);
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+ }
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+
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+ /**
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+ * Serializes this itemstack to raw bytes in NBT. NBT is safer for data migrations as it will
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+ * use the built in data converter instead of bukkits dangerous serialization system.
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+ * @return bytes representing this item in NBT.
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+ */
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+ @NotNull
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+ public byte[] serializeAsBytes() {
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+ return org.bukkit.Bukkit.getUnsafe().serializeItem(this);
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+ }
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+
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+ /**
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+ * The current version byte of the item array format used in {@link #serializeItemsAsBytes(java.util.Collection)}
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+ * and {@link #deserializeItemsFromBytes(byte[])} respectively.
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+ */
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+ private static final byte ARRAY_SERIALIZATION_VERSION = 1;
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+
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+ /**
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+ * Serializes a collection of items to raw bytes in NBT. Serializes null items as {@link #empty()}.
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+ * <p>
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+ * If you need a string representation to put into a file, you can for example use {@link java.util.Base64} encoding.
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+ *
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+ * @param items items to serialize
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+ * @return bytes representing the items in NBT
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+ * @see #serializeAsBytes()
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+ */
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+ public static byte @NotNull [] serializeItemsAsBytes(java.util.@NotNull Collection<ItemStack> items) {
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+ try (final java.io.ByteArrayOutputStream outputStream = new java.io.ByteArrayOutputStream()) {
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+ final java.io.DataOutput output = new java.io.DataOutputStream(outputStream);
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+ output.writeByte(ARRAY_SERIALIZATION_VERSION);
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+ output.writeInt(items.size());
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+ for (final ItemStack item : items) {
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+ if (item == null || item.isEmpty()) {
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+ // Ensure the correct order by including empty/null items
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+ output.writeInt(0);
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+ continue;
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+ }
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+
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+ final byte[] itemBytes = item.serializeAsBytes();
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+ output.writeInt(itemBytes.length);
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+ output.write(itemBytes);
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+ }
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+ return outputStream.toByteArray();
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+ } catch (final java.io.IOException e) {
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+ throw new RuntimeException("Error while writing itemstack", e);
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+ }
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+ }
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+
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+ /**
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+ * Serializes a collection of items to raw bytes in NBT. Serializes null items as {@link #empty()}.
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+ * <p>
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+ * If you need a string representation to put into a file, you can for example use {@link java.util.Base64} encoding.
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+ *
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+ * @param items items to serialize
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+ * @return bytes representing the items in NBT
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+ * @see #serializeAsBytes()
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+ */
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+ public static byte @NotNull [] serializeItemsAsBytes(@Nullable ItemStack @NotNull [] items) {
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+ return serializeItemsAsBytes(java.util.Arrays.asList(items));
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+ }
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+
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+ /**
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+ * Deserializes this itemstack from raw NBT bytes.
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+ * <p>
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+ * If you need a string representation to put into a file, you can for example use {@link java.util.Base64} encoding.
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+ *
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+ * @param bytes bytes representing an item in NBT
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+ * @return ItemStack array migrated to this version of Minecraft if needed
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+ * @see #deserializeBytes(byte[])
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+ */
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+ public static @NotNull ItemStack @NotNull [] deserializeItemsFromBytes(final byte @NotNull [] bytes) {
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+ try (final java.io.ByteArrayInputStream inputStream = new java.io.ByteArrayInputStream(bytes)) {
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+ final java.io.DataInputStream input = new java.io.DataInputStream(inputStream);
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+ final byte version = input.readByte();
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+ if (version != ARRAY_SERIALIZATION_VERSION) {
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+ throw new IllegalArgumentException("Unsupported version or bad data: " + version);
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+ }
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+
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+ final int count = input.readInt();
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+ final ItemStack[] items = new ItemStack[count];
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+ for (int i = 0; i < count; i++) {
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+ final int length = input.readInt();
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+ if (length == 0) {
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+ // Empty item, keep entry as empty
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+ items[i] = ItemStack.empty();
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+ continue;
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+ }
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+
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+ final byte[] itemBytes = new byte[length];
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+ input.read(itemBytes);
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+ items[i] = ItemStack.deserializeBytes(itemBytes);
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+ }
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+ return items;
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+ } catch (final java.io.IOException e) {
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+ throw new RuntimeException("Error while reading itemstack", e);
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+ }
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+ }
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+
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/**
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* Gets the Display name as seen in the Client.
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* Currently the server only supports the English language. To override this,
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diff --git a/src/main/java/org/bukkit/util/io/BukkitObjectInputStream.java b/src/main/java/org/bukkit/util/io/BukkitObjectInputStream.java
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index 0f8eb97bd5e2f8b0f0cc03f7c4342aae06c4520c..6c074ff2dcfc279657037013b9b54890d7c8a533 100644
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--- a/src/main/java/org/bukkit/util/io/BukkitObjectInputStream.java
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+++ b/src/main/java/org/bukkit/util/io/BukkitObjectInputStream.java
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@@ -14,7 +14,11 @@ import org.bukkit.configuration.serialization.ConfigurationSerialization;
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* <p>
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* Behavior of implementations extending this class is not guaranteed across
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* future versions.
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+ * @deprecated Object streams on their own are not safe. For safer and more consistent serialization of items,
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+ * use {@link org.bukkit.inventory.ItemStack#serializeAsBytes()} or
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+ * {@link org.bukkit.inventory.ItemStack#serializeItemsAsBytes(java.util.Collection)}.
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*/
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+@Deprecated(since = "1.21") // Paper
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public class BukkitObjectInputStream extends ObjectInputStream {
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/**
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diff --git a/src/main/java/org/bukkit/util/io/BukkitObjectOutputStream.java b/src/main/java/org/bukkit/util/io/BukkitObjectOutputStream.java
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index dd1b9ee5f57773f07924aa311823fd8d63195cb2..4e24e7c73271a579db2c4309951693dfb2fecceb 100644
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--- a/src/main/java/org/bukkit/util/io/BukkitObjectOutputStream.java
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+++ b/src/main/java/org/bukkit/util/io/BukkitObjectOutputStream.java
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@@ -14,7 +14,11 @@ import org.bukkit.configuration.serialization.ConfigurationSerializable;
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* <p>
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* Behavior of implementations extending this class is not guaranteed across
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* future versions.
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+ * @deprecated Object streams on their own are not safe. For safer and more consistent serialization of items,
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+ * use {@link org.bukkit.inventory.ItemStack#serializeAsBytes()} or
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+ * {@link org.bukkit.inventory.ItemStack#serializeItemsAsBytes(java.util.Collection)}.
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*/
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+@Deprecated(since = "1.21") // Paper
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public class BukkitObjectOutputStream extends ObjectOutputStream {
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/**
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