PreventListener.java 文件源码

@EventHandler(ignoreCancelled = true, priority = EventPriority.LOW)
public void onCommand(PlayerCommandPreprocessEvent commandEvent) {
    Player invoker = commandEvent.getPlayer();

    //remove the command identifier and further command arguments
    String command = commandEvent.getMessage().replaceFirst("/", "").split(" ")[0];
    if ("login".equalsIgnoreCase(command) || "register".equalsIgnoreCase(command)) {
        //ignore our own commands
        return;
    }

    if (plugin.getConfig().getBoolean("commandOnlyProtection")) {
        List<String> protectedCommands = plugin.getConfig().getStringList("protectedCommands");
        if (protectedCommands.isEmpty() || protectedCommands.contains(command)) {
            if (!plugin.isInSession(invoker)) {
                invoker.sendMessage(ChatColor.DARK_RED + "This action is protected for extra security");
                invoker.sendMessage(ChatColor.DARK_RED + "Please type /session <code>");
                commandEvent.setCancelled(true);
            }
        }
    } else {
        checkLoginStatus(invoker, commandEvent);
    }
}