Still support achievements when using versions below 1.12

Author: jacob1

config.yml

@@ -105,7 +105,7 @@ settings:
       death: '%message%'
       players-list: 'Online (%playerCount%/%maxPlayers%): %message%'
       players-nobody: 'Nobody is minecrafting right now.'
-      advancement: '%sender% earned advancement %green%[%message%]'
+      achievement: '%sender% earned achievement %green%[%message%]'
     from-irc:
       chat: '[%srcChannel%] <%sender%> %message%'
       private: '%sender% whispers> %message%'
@@ -291,7 +291,7 @@ default-attributes:
     say: true
     generic: true
     death: true
-    advancement: true
+    achievement: true
     mode: false
     notice: false
 

src/main/java/com/ensifera/animosity/craftirc/AdvancementsListener.java

@@ -0,0 +1,36 @@
+package com.ensifera.animosity.craftirc;
+
+import org.bukkit.event.EventHandler;
+import org.bukkit.event.EventPriority;
+import org.bukkit.event.Listener;
+import org.bukkit.event.player.PlayerAdvancementDoneEvent;
+
+final class AdvancementsListener implements Listener {
+    private final CraftIRC plugin;
+
+    AdvancementsListener(CraftIRC plugin) {
+        this.plugin = plugin;
+    }
+
+    @EventHandler(priority = EventPriority.MONITOR)
+    public void onPlayerAdvancement(PlayerAdvancementDoneEvent event) {
+        if (this.plugin.isHeld(CraftIRC.HoldType.ADVANCEMENTS)) {
+            return;
+        }
+        if (event.getAdvancement() == null) {
+            return;
+        }
+        final RelayedMessage msg = this.plugin.newMsg(this.plugin.getEndPoint(this.plugin.cMinecraftTag()), null, "achievement");
+        if (msg == null) {
+            return;
+        }
+        msg.setField("sender", event.getPlayer().getDisplayName());
+        msg.setField("message", event.getAdvancement().getKey().getKey());
+        msg.setField("world", event.getPlayer().getWorld().getName());
+        msg.setField("realSender", event.getPlayer().getName());
+        msg.setField("prefix", this.plugin.getPrefix(event.getPlayer()));
+        msg.setField("suffix", this.plugin.getSuffix(event.getPlayer()));
+        msg.doNotColor("message");
+        msg.post();
+    }
+}

src/main/java/com/ensifera/animosity/craftirc/CraftIRC.java

@@ -4,6 +4,7 @@
 import com.ensifera.animosity.craftirc.libs.com.sk89q.util.config.ConfigurationNode;
 import com.ensifera.animosity.craftirc.libs.org.jibble.pircbot.Colors;
 import net.milkbowl.vault.chat.Chat;
+import org.bukkit.Bukkit;
 import org.bukkit.command.Command;
 import org.bukkit.command.CommandSender;
 import org.bukkit.entity.Player;
@@ -78,6 +79,19 @@ private void logDerp(String message) {
         }
     }
 
+    private static final Pattern versionPattern = Pattern.compile("(\\d).(\\d+).*");
+    private boolean versionGreaterorEqualThan(int major, int minor) {
+        String bukkitVersion = Bukkit.getBukkitVersion();
+        Matcher versionMatcher = versionPattern.matcher(bukkitVersion);
+        if (versionMatcher.find()) {
+            int majorV = Integer.parseInt(versionMatcher.group(1));
+	    int minorV = Integer.parseInt(versionMatcher.group(2));
+	    if (majorV > major || (majorV == major && minorV >= minor))
+                return true;
+        }
+        return false;
+    }
+
     /***************************
      * Bukkit stuff
      ***************************/
@@ -148,6 +162,9 @@ public void onEnable() {
 
             // Event listeners
             this.getServer().getPluginManager().registerEvents(new CraftIRCListener(this), this);
+            // Check for advancements api
+            if (this.versionGreaterorEqualThan(1, 12))
+                this.getServer().getPluginManager().registerEvents(new AdvancementsListener(this), this);
             this.getServer().getPluginManager().registerEvents(new ConsoleListener(this), this);
 
             // Native endpoints!

src/main/java/com/ensifera/animosity/craftirc/CraftIRCListener.java

@@ -7,7 +7,7 @@
 import org.bukkit.event.Listener;
 import org.bukkit.event.entity.PlayerDeathEvent;
 import org.bukkit.event.player.AsyncPlayerChatEvent;
-import org.bukkit.event.player.PlayerAdvancementDoneEvent;
+import org.bukkit.event.player.PlayerAchievementAwardedEvent;
 import org.bukkit.event.player.PlayerCommandPreprocessEvent;
 import org.bukkit.event.player.PlayerJoinEvent;
 import org.bukkit.event.player.PlayerKickEvent;
@@ -173,19 +173,19 @@ public void onPlayerDeath(PlayerDeathEvent event) {
     }
 
     @EventHandler(priority = EventPriority.MONITOR)
-    public void onPlayerAdvancement(PlayerAdvancementDoneEvent event) {
+    public void onPlayerAchievement(PlayerAchievementAwardedEvent event) {
         if (this.plugin.isHeld(CraftIRC.HoldType.ADVANCEMENTS)) {
             return;
         }
-        if (event.getAdvancement() == null) {
+        if (event.getAchievement() == null) {
             return;
         }
-        final RelayedMessage msg = this.plugin.newMsg(this.plugin.getEndPoint(this.plugin.cMinecraftTag()), null, "advancement");
+        final RelayedMessage msg = this.plugin.newMsg(this.plugin.getEndPoint(this.plugin.cMinecraftTag()), null, "achievement");
         if (msg == null) {
             return;
         }
         msg.setField("sender", event.getPlayer().getDisplayName());
-        msg.setField("message", event.getAdvancement().getKey().getKey());
+        msg.setField("message", event.getAchievement().name());
         msg.setField("world", event.getPlayer().getWorld().getName());
         msg.setField("realSender", event.getPlayer().getName());
         msg.setField("prefix", this.plugin.getPrefix(event.getPlayer()));