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Paper/patches/api/0305-fix-empty-array-elements-in-command-arguments.patch

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From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Trigary <trigary0@gmail.com>
Date: Sat, 5 Jun 2021 10:29:39 +0200
Subject: [PATCH] fix empty array elements in command arguments
Adjacent spaces caused empty array elements due to how String#split works.
This change removes those empty array elements without modifying anything else.
Adjacent spaces sent by players are removed in PlayerConnection, so this change doesn't affect players.
But it does affect the console, command blocks, Bukkit.dispatchCommand, etc.
diff --git a/src/main/java/org/bukkit/command/SimpleCommandMap.java b/src/main/java/org/bukkit/command/SimpleCommandMap.java
index 1424060c0a162020d4a680e0a592224561067b16..ac9a28922f8a556944a4c3649d74c32c622f0cb0 100644
--- a/src/main/java/org/bukkit/command/SimpleCommandMap.java
+++ b/src/main/java/org/bukkit/command/SimpleCommandMap.java
@@ -130,7 +130,7 @@ public class SimpleCommandMap implements CommandMap {
*/
@Override
public boolean dispatch(@NotNull CommandSender sender, @NotNull String commandLine) throws CommandException {
- String[] args = commandLine.split(" ");
+ String[] args = org.apache.commons.lang3.StringUtils.split(commandLine, ' '); // Paper - fix adjacent spaces (from console/plugins) causing empty array elements
if (args.length == 0) {
return false;