Initial MiniMessage support

src/main/java/fr/xephi/authme/listener/PlayerListener.java

@@ -21,6 +21,7 @@ import fr.xephi.authme.settings.properties.RegistrationSettings;
 import fr.xephi.authme.settings.properties.RestrictionSettings;
 import fr.xephi.authme.settings.properties.SecuritySettings;
 import fr.xephi.authme.util.TeleportUtils;
+import fr.xephi.authme.util.message.MiniMessageUtils;
 import org.bukkit.ChatColor;
 import org.bukkit.Location;
 import org.bukkit.entity.HumanEntity;
@@ -220,7 +221,7 @@ public class PlayerListener implements Listener{
 
         String customJoinMessage = settings.getProperty(RegistrationSettings.CUSTOM_JOIN_MESSAGE);
         if (!customJoinMessage.isEmpty()) {
-            customJoinMessage = ChatColor.translateAlternateColorCodes('&', customJoinMessage);
+            customJoinMessage = ChatColor.translateAlternateColorCodes('&', MiniMessageUtils.parseMiniMessageToLegacy(customJoinMessage));
             event.setJoinMessage(customJoinMessage
                 .replace("{PLAYERNAME}", player.getName())
                 .replace("{DISPLAYNAME}", player.getDisplayName())

src/main/java/fr/xephi/authme/message/Messages.java

@@ -5,6 +5,7 @@ import fr.xephi.authme.ConsoleLogger;
 import fr.xephi.authme.mail.EmailService;
 import fr.xephi.authme.output.ConsoleLoggerFactory;
 import fr.xephi.authme.util.expiring.Duration;
+import fr.xephi.authme.util.message.MiniMessageUtils;
 import org.bukkit.ChatColor;
 import org.bukkit.command.CommandSender;
 import org.bukkit.entity.Player;
@@ -126,7 +127,7 @@ public class Messages {
             displayName = ((Player) sender).getDisplayName();
         }
         
-        return ChatColor.translateAlternateColorCodes('&', message)
+        return ChatColor.translateAlternateColorCodes('&', MiniMessageUtils.parseMiniMessageToLegacy(message))
                 .replace(NEWLINE_TAG, "\n")
                 .replace(USERNAME_TAG, sender.getName())
                 .replace(DISPLAYNAME_TAG, displayName);
@@ -142,7 +143,7 @@ public class Messages {
     private String retrieveMessage(MessageKey key, String name) {
         String message = messagesFileHandler.getMessage(key.getKey());
         
-        return ChatColor.translateAlternateColorCodes('&', message)
+        return ChatColor.translateAlternateColorCodes('&', MiniMessageUtils.parseMiniMessageToLegacy(message))
                 .replace(NEWLINE_TAG, "\n")
                 .replace(USERNAME_TAG, name)
                 .replace(DISPLAYNAME_TAG, name);

src/main/java/fr/xephi/authme/service/BukkitService.java

@@ -7,6 +7,7 @@ import fr.xephi.authme.AuthMe;
 import fr.xephi.authme.initialization.SettingsDependent;
 import fr.xephi.authme.settings.Settings;
 import fr.xephi.authme.settings.properties.PluginSettings;
+import net.md_5.bungee.api.chat.BaseComponent;
 import org.bukkit.BanEntry;
 import org.bukkit.BanList;
 import org.bukkit.Bukkit;
@@ -247,6 +248,24 @@ public class BukkitService implements SettingsDependent {
         return Bukkit.broadcastMessage(message);
     }
 
+    /**
+     * Broadcast a message to all players using components.
+     *
+     * @param message the message
+     */
+    public void broadcastMessage(BaseComponent message) {
+        Bukkit.spigot().broadcast(message);
+    }
+
+    /**
+     * Broadcast messages to all players using components.
+     *
+     * @param messages the messages
+     */
+    public void broadcastMessage(BaseComponent... messages) {
+        Bukkit.spigot().broadcast(messages);
+    }
+
     /**
      * Gets the player with the exact given name, case insensitive.
      *

src/main/java/fr/xephi/authme/util/message/MiniMessageUtils.java

@@ -0,0 +1,33 @@
+package fr.xephi.authme.util.message;
+
+import net.kyori.adventure.text.Component;
+import net.kyori.adventure.text.minimessage.MiniMessage;
+import net.kyori.adventure.text.serializer.bungeecord.BungeeComponentSerializer;
+import net.kyori.adventure.text.serializer.legacy.LegacyComponentSerializer;
+import net.md_5.bungee.api.chat.BaseComponent;
+
+public class MiniMessageUtils {
+    private static final MiniMessage miniMessage = MiniMessage.miniMessage();
+
+    /**
+     * Parse a MiniMessage string into a BungeeCord BaseComponent[].
+     *
+     * @param message The message to parse.
+     * @return The parsed message.
+     */
+    public static BaseComponent[] parseMiniMessage(String message) {
+        Component component = miniMessage.deserialize(message);
+        return BungeeComponentSerializer.get().serialize(component);
+    }
+
+    /**
+     * Parse a MiniMessage string into a legacy string.
+     *
+     * @param message The message to parse.
+     * @return The parsed message.
+     */
+    public static String parseMiniMessageToLegacy(String message) {
+        Component component = miniMessage.deserialize(message);
+        return LegacyComponentSerializer.legacyAmpersand().serialize(component);
+    }
+}