icingaweb2/modules/translation/library/Translation/Cli/TranslationCommand.php

<?php
// {{{ICINGA_LICENSE_HEADER}}}
// {{{ICINGA_LICENSE_HEADER}}}

namespace Icinga\Module\Translation\Cli;

use \Exception;
use Icinga\Cli\Command;

/**
 * Base class for translation commands
 */
class TranslationCommand extends Command
{
    /**
     * Check whether the given locale code is valid
     *
     * @param   string  $code   The locale code to validate
     *
     * @return  string          The validated locale code
     *
     * @throws  Exception       In case the locale code is invalid
     */
    public function validateLocaleCode($code)
    {
        if (! preg_match('@[a-z]{2}_[A-Z]{2}@', $code)) {
            throw new Exception("Locale code '$code' is not valid. Expected format is: ll_CC");
        }

        return $code;
    }

    /**
     * Check whether the given module is available and enabled
     *
     * @param   string  $name   The module name to validate
     *
     * @return  string          The validated module name
     *
     * @throws  Exception       In case the given module is not available or not enabled
     */
    public function validateModuleName($name)
    {
        $enabledModules = $this->app->getModuleManager()->listEnabledModules();

        if (!in_array($name, $enabledModules)) {
            throw new Exception("Module with name '$name' not found or is not enabled");
        }

        return $name;
    }
}