public Result execute(Command command) {

        LabelDTO labelDTOren = (LabelDTO) ((Object[]) command.getCommandSource())[0];
        Account accountren;
        accountren = accountDAO.getAccountByname(labelDTOren.getAccount());
        Set<Label> labelsren = new HashSet<Label>();
        labelsren = accountren.getLabel();
        for (Iterator<Label> it = labelsren.iterator(); it.hasNext();) {
            Label label = it.next();
            if (label.getName().equals(labelDTOren.getName())) {
                label.setName((String) ((Object[]) command.getCommandSource())[1]);
                labelDAO.updateLabel(label);
            }
        }

        return result;
    }