Refactor to use dynamic listener api and seal the listener classes

src/main/java/org/mvplugins/multiverse/signportals/MultiverseSignPortals.java

@@ -33,7 +33,7 @@ public void onLoad() {
     public void onEnable() {
         initializeDependencyInjection(new MultiverseSignPortalsPluginBinder(this));
         Logging.setDebugLevel(serviceLocator.getActiveService(CoreConfig.class).getGlobalDebug());
-        registerEvents(SignPortalsListener.class);
+        registerDynamicListeners(SignPortalsListener.class);
 
         Logging.config("Version %s (API v%s) Enabled - By %s",
                 this.getDescription().getVersion(), getVersionAsNumber(), StringFormatter.joinAnd(this.getDescription().getAuthors()));

src/main/java/org/mvplugins/multiverse/signportals/listeners/MVSPBlockListener.java

@@ -15,6 +15,7 @@
 import org.bukkit.plugin.PluginManager;
 import org.mvplugins.multiverse.core.destination.DestinationInstance;
 import org.mvplugins.multiverse.core.destination.DestinationsProvider;
+import org.mvplugins.multiverse.core.dynamiclistener.annotations.EventMethod;
 import org.mvplugins.multiverse.core.teleportation.AsyncSafetyTeleporter;
 import org.mvplugins.multiverse.external.jakarta.inject.Inject;
 import org.mvplugins.multiverse.external.jetbrains.annotations.NotNull;
@@ -30,15 +31,14 @@
 import org.bukkit.block.Sign;
 import org.bukkit.entity.Entity;
 import org.bukkit.entity.Player;
-import org.bukkit.event.EventHandler;
 import org.bukkit.event.block.BlockBreakEvent;
 import org.bukkit.event.block.BlockRedstoneEvent;
 import org.bukkit.event.block.SignChangeEvent;
 
 import static org.mvplugins.multiverse.core.permissions.PermissionUtils.hasPermission;
 
 @Service
-public class MVSPBlockListener implements SignPortalsListener {
+final class MVSPBlockListener implements SignPortalsListener {
     private final String CREATE_PERM = "multiverse.signportal.create";
     private final MultiverseSignPortals plugin;
     private final PortalDetector pd;
@@ -58,7 +58,7 @@ public MVSPBlockListener(@NotNull MultiverseSignPortals plugin,
         pluginManager.addPermission(new Permission(CREATE_PERM, PermissionDefault.OP));
     }
 
-    @EventHandler
+    @EventMethod
     public void onSignChange(SignChangeEvent event) {
         if (event.isCancelled()) {
             return;
@@ -71,7 +71,7 @@ public void onSignChange(SignChangeEvent event) {
         }
     }
 
-    @EventHandler
+    @EventMethod
     public void redstonePower(BlockRedstoneEvent event) {
         if (event.getNewCurrent() <= 0) {
             return;
@@ -140,7 +140,7 @@ private Block getNearbySign(Block block, boolean torch) {
         return null;
     }
 
-    @EventHandler
+    @EventMethod
     public void onBlockBreak(BlockBreakEvent event) {
         if (event.isCancelled()) {
             return;

src/main/java/org/mvplugins/multiverse/signportals/listeners/MVSPPlayerListener.java

@@ -14,6 +14,7 @@
 import org.bukkit.plugin.PluginManager;
 import org.mvplugins.multiverse.core.destination.DestinationInstance;
 import org.mvplugins.multiverse.core.destination.DestinationsProvider;
+import org.mvplugins.multiverse.core.dynamiclistener.annotations.EventMethod;
 import org.mvplugins.multiverse.core.teleportation.AsyncSafetyTeleporter;
 import org.mvplugins.multiverse.external.jakarta.inject.Inject;
 import org.mvplugins.multiverse.external.jetbrains.annotations.NotNull;
@@ -25,15 +26,14 @@
 import org.bukkit.ChatColor;
 import org.bukkit.block.Sign;
 import org.bukkit.entity.Player;
-import org.bukkit.event.EventHandler;
 import org.bukkit.event.block.Action;
 import org.bukkit.event.player.PlayerInteractEvent;
 import org.bukkit.event.player.PlayerPortalEvent;
 
 import static org.mvplugins.multiverse.core.permissions.PermissionUtils.hasPermission;
 
 @Service
-public class MVSPPlayerListener implements SignPortalsListener {
+final class MVSPPlayerListener implements SignPortalsListener {
 
     private static final String USE_PERMISSION = "multiverse.signportal.use";
     private static final String VALIDATE_PERMISSION = "multiverse.signportal.validate";
@@ -57,7 +57,7 @@ public class MVSPPlayerListener implements SignPortalsListener {
      * Called when the portal is ready to take the player to the destination.
      * @param event The Portal event.
      */
-    @EventHandler
+    @EventMethod
     public void playerPortal(PlayerPortalEvent event) {
         if (event.isCancelled()) {
             return;
@@ -94,7 +94,7 @@ public void playerPortal(PlayerPortalEvent event) {
      * Called when a player clicks on anything.
      * @param event The Interact event.
      */
-    @EventHandler
+    @EventMethod
     public void playerInteract(PlayerInteractEvent event) {
         // The event must not be canceled...
         if (event.isCancelled()) {

src/main/java/org/mvplugins/multiverse/signportals/listeners/MVSPPluginListener.java

@@ -7,15 +7,15 @@
 
 package org.mvplugins.multiverse.signportals.listeners;
 
+import org.mvplugins.multiverse.core.dynamiclistener.annotations.EventMethod;
 import org.mvplugins.multiverse.external.jakarta.inject.Inject;
 import org.mvplugins.multiverse.external.jetbrains.annotations.NotNull;
 import org.jvnet.hk2.annotations.Service;
 import org.mvplugins.multiverse.signportals.MultiverseSignPortals;
-import org.bukkit.event.EventHandler;
 import org.bukkit.event.server.PluginEnableEvent;
 
 @Service
-public class MVSPPluginListener implements SignPortalsListener {
+final class MVSPPluginListener implements SignPortalsListener {
 
     private final MultiverseSignPortals plugin;
 
@@ -28,7 +28,7 @@ public class MVSPPluginListener implements SignPortalsListener {
      * This method is fired when any plugin enables.
      * @param event The PluginEnable event.
      */
-    @EventHandler
+    @EventMethod
     public void onPluginEnable(PluginEnableEvent event) {
         if (event.getPlugin().getDescription().getName().equals("Multiverse-Core")) {
             // this.plugin.setCore(((MultiverseCore) plugin.getServer().getPluginManager().getPlugin("Multiverse-Core")));

src/main/java/org/mvplugins/multiverse/signportals/listeners/MVSPVersionListener.java

@@ -11,6 +11,7 @@
 import org.bukkit.ChatColor;
 import org.mvplugins.multiverse.core.destination.DestinationInstance;
 import org.mvplugins.multiverse.core.destination.DestinationsProvider;
+import org.mvplugins.multiverse.core.dynamiclistener.annotations.EventMethod;
 import org.mvplugins.multiverse.core.event.MVDebugModeEvent;
 import org.mvplugins.multiverse.core.event.MVDumpsDebugInfoEvent;
 import org.mvplugins.multiverse.core.event.MVPlayerTouchedPortalEvent;
@@ -20,13 +21,12 @@
 import org.mvplugins.multiverse.signportals.MultiverseSignPortals;
 import org.bukkit.Location;
 import org.bukkit.entity.Player;
-import org.bukkit.event.EventHandler;
 import org.mvplugins.multiverse.signportals.exceptions.MoreThanOneSignFoundException;
 import org.mvplugins.multiverse.signportals.exceptions.NoMultiverseSignFoundException;
 import org.mvplugins.multiverse.signportals.utils.PortalDetector;
 
 @Service
-public class MVSPVersionListener implements SignPortalsListener {
+final class MVSPVersionListener implements SignPortalsListener {
     private final MultiverseSignPortals plugin;
     private final PortalDetector detector;
     private final DestinationsProvider destinationsProvider;
@@ -44,7 +44,7 @@ public class MVSPVersionListener implements SignPortalsListener {
      * This method is called when Multiverse-Core wants to know what version we are.
      * @param event The Version event.
      */
-    @EventHandler
+    @EventMethod
     public void versionEvent(MVDumpsDebugInfoEvent event) {
         event.appendDebugInfo(this.plugin.getVersionInfo());
     }
@@ -54,7 +54,7 @@ public void versionEvent(MVDumpsDebugInfoEvent event) {
      * It's used to handle the intriquite messiness of priority between MV plugins.
      * @param event The PTP event.
      */
-    @EventHandler
+    @EventMethod
     public void portalTouchEvent(MVPlayerTouchedPortalEvent event) {
         Logging.finer("Found The TouchedPortal event.");
         Player p = event.getPlayer();
@@ -85,7 +85,7 @@ public void portalTouchEvent(MVPlayerTouchedPortalEvent event) {
         }
     }
 
-    @EventHandler
+    @EventMethod
     public void debugModeChange(MVDebugModeEvent event) {
         Logging.setDebugLevel(event.getLevel());
     }

src/main/java/org/mvplugins/multiverse/signportals/listeners/SignPortalsListener.java

@@ -1,8 +1,8 @@
 package org.mvplugins.multiverse.signportals.listeners;
 
-import org.bukkit.event.Listener;
 import org.jvnet.hk2.annotations.Contract;
+import org.mvplugins.multiverse.core.dynamiclistener.DynamicListener;
 
 @Contract
-public interface SignPortalsListener extends Listener {
+public sealed interface SignPortalsListener extends DynamicListener permits MVSPBlockListener, MVSPPlayerListener, MVSPPluginListener, MVSPVersionListener {
 }