Don't purge users if unable to load permission data

src/main/java/fr/xephi/authme/task/purge/PurgeExecutor.java

@@ -49,7 +49,7 @@ public class PurgeExecutor {
      * players and names.
      *
      * @param players the players to purge
-     * @param names names to purge
+     * @param names   names to purge
      */
     public void executePurge(Collection<OfflinePlayer> players, Collection<String> names) {
         // Purge other data
@@ -212,15 +212,13 @@ public class PurgeExecutor {
         }
 
         for (OfflinePlayer offlinePlayer : cleared) {
-            try {
-                permissionsManager.loadUserData(offlinePlayer.getUniqueId());
-            } catch (NoSuchMethodError e) {
-                permissionsManager.loadUserData(offlinePlayer.getName());
+            if (!permissionsManager.loadUserData(offlinePlayer)) {
+                ConsoleLogger.warning("Unable to purge the permissions of user " + offlinePlayer + "!");
+                continue;
             }
             permissionsManager.removeAllGroups(offlinePlayer);
         }
 
         ConsoleLogger.info("AutoPurge: Removed permissions from " + cleared.size() + " player(s).");
     }
-    
 }

src/main/java/fr/xephi/authme/task/purge/PurgeTask.java

@@ -3,6 +3,7 @@ package fr.xephi.authme.task.purge;
 import fr.xephi.authme.ConsoleLogger;
 import fr.xephi.authme.permission.PermissionsManager;
 import fr.xephi.authme.permission.PlayerStatePermission;
+import fr.xephi.authme.permission.handlers.PermissionLoadUserException;
 import org.bukkit.Bukkit;
 import org.bukkit.ChatColor;
 import org.bukkit.OfflinePlayer;
@@ -73,10 +74,9 @@ class PurgeTask extends BukkitRunnable {
 
             OfflinePlayer offlinePlayer = offlinePlayers[nextPosition];
             if (offlinePlayer.getName() != null && toPurge.remove(offlinePlayer.getName().toLowerCase())) {
-                try {
-                    permissionsManager.loadUserData(offlinePlayer.getUniqueId());
-                } catch (NoSuchMethodError e) {
-                    permissionsManager.loadUserData(offlinePlayer.getName());
+                if(!permissionsManager.loadUserData(offlinePlayer)) {
+                    ConsoleLogger.warning("Unable to check if the user " + offlinePlayer.getName() + " can be purged!");
+                    continue;
                 }
                 if (!permissionsManager.hasPermissionOffline(offlinePlayer, PlayerStatePermission.BYPASS_PURGE)) {
                     playerPortion.add(offlinePlayer);