Update to java 21 and 1.21 using cosmos

src/main/java/com/alttd/blacklistfromworlds/Jenkinsfile

@@ -0,0 +1,24 @@
+pipeline {
+    agent any
+    stages {
+        stage('Gradle') {
+            steps {
+                sh '''
+                  set +x
+                  chmod +x gradlew
+                  ./gradlew build
+                '''
+            }
+        }
+        stage('Archive') {
+            steps {
+                archiveArtifacts artifacts: 'build/libs/', followSymlinks: false
+            }
+        }
+        stage('discord') {
+            steps {
+                discordSend description: "Build: ${BUILD_NUMBER}", showChangeset: true, result: currentBuild.currentResult, title: currentBuild.fullProjectName, webhookURL: env.discordwebhook
+            }
+        }
+    }
+}

src/main/java/com/alttd/blacklistfromworlds/events/LoginEvent.java

@@ -12,8 +12,9 @@ public class LoginEvent implements Listener {
     @EventHandler(priority = EventPriority.HIGH)
     public void onLoginEvent(PlayerJoinEvent event) {
         Player player = event.getPlayer();
-        if (player.hasPermission("blacklistfromworld." + event.getPlayer().getWorld().getName()))
+        if (player.hasPermission("blacklistfromworld." + event.getPlayer().getWorld().getName())) {
             RemoveFromWorld.teleportPlayer(player);
+        }
     }
 
 }

src/main/java/com/alttd/blacklistfromworlds/events/TeleportEvent.java

@@ -1,8 +1,6 @@
 package com.alttd.blacklistfromworlds.events;
 
-import net.kyori.adventure.text.minimessage.MiniMessage;
-import net.kyori.adventure.text.minimessage.Template;
-import net.kyori.adventure.text.minimessage.template.TemplateResolver;
+import net.kyori.adventure.text.minimessage.tag.resolver.Placeholder;
 import org.bukkit.entity.Player;
 import org.bukkit.event.EventHandler;
 import org.bukkit.event.EventPriority;
@@ -16,9 +14,8 @@ public class TeleportEvent implements Listener {
         Player player = event.getPlayer();
         String name = event.getTo().getWorld().getName();
         if (player.hasPermission("blacklistfromworld." + name)) {
-            player.sendMessage(MiniMessage.miniMessage()
-                    .deserialize("<red>You are blacklisted from <world>, cancelling teleportation...</red>",
-                            TemplateResolver.resolving(Template.template("world", name))));
+            player.sendRichMessage("<red>You are blacklisted from <world>, cancelling teleportation...</red>",
+                                   Placeholder.unparsed("world", name));
             event.setCancelled(true);
         }
     }

src/main/java/com/alttd/blacklistfromworlds/util/Logger.java

@@ -10,24 +10,21 @@ public class Logger {
         logger = BlacklistFromWorlds.getInstance().getLogger();
     }
 
-    public static void info(String info, String... variables)
-    {
+    public static void info(String info, String... variables) {
         for (String variable : variables) {
             info = info.replaceFirst("%", variable);
         }
         logger.info(info);
     }
 
-    public static void warning(String warning, String... variables)
-    {
+    public static void warning(String warning, String... variables) {
         for (String variable : variables) {
             warning = warning.replaceFirst("%", variable);
         }
         logger.warning(warning);
     }
 
-    public static void severe(String severe, String... variables)
-    {
+    public static void severe(String severe, String... variables) {
         for (String variable : variables) {
             severe = severe.replaceFirst("%", variable);
         }

src/main/java/com/alttd/blacklistfromworlds/util/RemoveFromWorld.java

@@ -11,22 +11,21 @@ public class RemoveFromWorld {
         World defaultWorld = Bukkit.getWorld("world");
         if (defaultWorld != null && !player.hasPermission("blacklistfromworld.world")) {
             player.teleport(defaultWorld.getSpawnLocation());
-            player.sendMessage(MiniMessage.miniMessage()
-                    .deserialize("<green>You were teleported out of a world you're blacklisted in!</green>"));
+            player.sendRichMessage("<green>You were teleported out of a world you're blacklisted in!</green>");
             Logger.info("Teleported % to %", player.getName(), defaultWorld.getSpawnLocation().toString());
             return;
         }
         for (World world : Bukkit.getWorlds()) {
-            if (player.hasPermission("blacklistfromworld." + world.getName()))
+            if (player.hasPermission("blacklistfromworld." + world.getName())) {
                 continue;
+            }
             player.teleport(world.getSpawnLocation());
-            player.sendMessage(MiniMessage.miniMessage()
-                    .deserialize("<green>You were teleported out of a world you're blacklisted in!</green>"));
+            player.sendRichMessage("<green>You were teleported out of a world you're blacklisted in!</green>");
             Logger.info("Teleported % to %", player.getName(), world.getSpawnLocation().toString());
             return;
         }
         player.kick(MiniMessage.miniMessage()
-                .deserialize("<red>You are blacklisted from all worlds on this server.</red>"));
+                            .deserialize("<red>You are blacklisted from all worlds on this server.</red>"));
     }
 
 }