code cleanup

FightSystem_Main/src/de/steamwar/fightsystem/commands/LockschemCommand.java

@@ -4,6 +4,8 @@ import de.steamwar.fightsystem.FightSystem;
 import de.steamwar.fightsystem.fight.Fight;
 import de.steamwar.fightsystem.fight.FightTeam;
 import de.steamwar.sql.SchematicType;
+import de.steamwar.sql.SteamwarUser;
+import de.steamwar.sql.UserGroup;
 import org.bukkit.command.Command;
 import org.bukkit.command.CommandExecutor;
 import org.bukkit.command.CommandSender;
@@ -13,8 +15,20 @@ public class LockschemCommand implements CommandExecutor {
     @Override
     public boolean onCommand(CommandSender sender, Command command, String label, String[] args) {
         Player player = (Player) sender;
-        if(sender instanceof Player) {
-            if(args.length == 1) {
+        if(!(sender instanceof Player)) {
+            return false;
+        }
+        SteamwarUser steamwarUser = SteamwarUser.get(player.getUniqueId());
+        UserGroup userGroup = steamwarUser.getUserGroup();
+
+        if(userGroup != UserGroup.Admin &&
+                userGroup != UserGroup.Developer &&
+                userGroup != UserGroup.Moderator &&
+                userGroup != UserGroup.Supporter)
+            return false;
+
+        switch (args.length) {
+            case 1:
                 String teamName = args[1];
                 FightTeam fightTeam = Fight.getTeamByName(teamName);
 
@@ -25,7 +39,6 @@ public class LockschemCommand implements CommandExecutor {
                 fightTeam.getSchematic().setSchemType(SchematicType.Normal);
                 player.sendMessage(FightSystem.PREFIX + "Schematic von " + fightTeam.getColoredName() + "§cgepserrt!");
         }
-        }
         return false;
     }
 }