Paper/patches/api/0309-ItemStack-editMeta.patch
2021-07-29 23:04:26 +00:00

43 lines
1.7 KiB
Diff

From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Riley Park <riley.park@meino.net>
Date: Sun, 23 May 2021 05:04:28 -0700
Subject: [PATCH] ItemStack#editMeta
diff --git a/src/main/java/org/bukkit/inventory/ItemStack.java b/src/main/java/org/bukkit/inventory/ItemStack.java
index b4d55e0d5e605cb6980b555acd42d16e1e65c196..f3fa8f7f021464aa9d463c14550487cc7d48c873 100644
--- a/src/main/java/org/bukkit/inventory/ItemStack.java
+++ b/src/main/java/org/bukkit/inventory/ItemStack.java
@@ -543,6 +543,31 @@ public class ItemStack implements Cloneable, ConfigurationSerializable, net.kyor
return result.ensureServerConversions(); // Paper
}
+ // Paper start
+ /**
+ * Edits the {@link ItemMeta} of this stack.
+ * <p>
+ * The {@link java.util.function.Consumer} must only interact
+ * with this stack's {@link ItemMeta} through the provided {@link ItemMeta} instance.
+ * Calling this method or any other meta-related method of the {@link ItemStack} class
+ * (such as {@link #getItemMeta()}, {@link #addItemFlags(ItemFlag...)}, {@link #lore()}, etc.)
+ * from inside the consumer is disallowed and will produce undefined results or exceptions.
+ * </p>
+ *
+ * @param consumer the meta consumer
+ * @return {@code true} if the edit was successful, {@code false} otherwise
+ */
+ public boolean editMeta(final @NotNull java.util.function.Consumer<? super ItemMeta> consumer) {
+ final ItemMeta meta = this.getItemMeta();
+ if (meta != null) {
+ consumer.accept(meta);
+ this.setItemMeta(meta);
+ return true;
+ }
+ return false;
+ }
+ // Paper end
+
/**
* Get a copy of this ItemStack's {@link ItemMeta}.
*