PlaceholderAPI integration test

Implemented PAPI for classic motd

plugin.yml

@@ -4,7 +4,7 @@ version: X-2020-05-14
 description: Change your Serverlist Motd!
 load: POSTWORLD
 depend: [ProtocolLib]
-softdepend: [Vault, BanManager, MaxBans, MultiVerse, Multiverse-Core, Multiverse-Portals, Multiverse-NetherPortals, Multiverse-Inventories, Towny, Essentials]
+softdepend: [Vault, PlaceholderAPI, BanManager, MaxBans, MultiVerse, Multiverse-Core, Multiverse-Portals, Multiverse-NetherPortals, Multiverse-Inventories, Towny, Essentials]
 main: cloud.bolte.serverlistmotd.Main
 commands:
    serverlist:

src/cloud/bolte/serverlistmotd/Main.java

@@ -17,6 +17,7 @@
 import cloud.bolte.serverlistmotd.events.ProtocolLibImplementation;
 import cloud.bolte.serverlistmotd.events.RestrictedModeJoin;
 import cloud.bolte.serverlistmotd.util.IO;
+import cloud.bolte.serverlistmotd.util.PapiIntegration;
 import cloud.bolte.serverlistmotd.util.VaultIntegration;
 
 /*
@@ -62,8 +63,9 @@ public void onEnable() {
 		//Register command
 		this.getCommand("serverlist").setExecutor(new Serverlist());
 
-		//Setup Vault for money var
+		//Setup Vault and Papi
 		VaultIntegration.setupEconomy();
+		PapiIntegration.setupIntegration();
 
 		//Timer for saving userdata to disk 
 		BukkitScheduler scheduler = getServer().getScheduler();

src/cloud/bolte/serverlistmotd/motd/ClassicMotd.java

@@ -2,11 +2,13 @@
 
 import java.net.InetAddress;
 
+import org.bukkit.Bukkit;
 import org.bukkit.ChatColor;
 import org.bukkit.event.server.ServerListPingEvent;
 
 import cloud.bolte.serverlistmotd.Main;
 import cloud.bolte.serverlistmotd.SpigotConfig;
+import cloud.bolte.serverlistmotd.util.PapiIntegration;
 import cloud.bolte.serverlistmotd.variables.MoneyVariable;
 import cloud.bolte.serverlistmotd.variables.PlayerVariable;
 import cloud.bolte.serverlistmotd.variables.RandomPlayerVariable;
@@ -44,6 +46,9 @@ public String formatMotd(String motd, InetAddress ip) {
 			formattedMotd = formattedMotd
 					.replace("%player%", PlayerVariable.getNameFromIP(ip))
 					.replace("%money%", MoneyVariable.getMoney(ip)+"");
+			formattedMotd = PapiIntegration.replaceVariables(Bukkit.getOfflinePlayer(Main.IP_UUID.get(ip)), formattedMotd);
+		} else {
+			formattedMotd = PapiIntegration.replaceVariables(null, formattedMotd);
 		}
 		return formattedMotd;
 	}

src/cloud/bolte/serverlistmotd/util/PapiIntegration.java

@@ -0,0 +1,28 @@
+package cloud.bolte.serverlistmotd.util;
+
+import org.bukkit.Bukkit;
+import org.bukkit.OfflinePlayer;
+
+import me.clip.placeholderapi.PlaceholderAPI;
+
+public class PapiIntegration {
+	private static boolean papiIsEnabled = false;
+
+	private PapiIntegration() {
+		throw new IllegalStateException("Utility class");
+	}
+
+	public static void setupIntegration() {
+		if (Bukkit.getServer().getPluginManager().isPluginEnabled("PlaceholderAPI")) {
+			System.out.println("[ServerlistMOTD] Hooking into PlaceholderAPI.");
+			papiIsEnabled = true;
+		}
+	}
+
+	public static String replaceVariables(OfflinePlayer player, String motd) {
+		if (papiIsEnabled) {
+			return PlaceholderAPI.setPlaceholders(player, motd);
+		} 
+		return motd;
+	}
+}