function handle()
{
$text = $_REQUEST['text'];
if (!$text) {
$text = "今日の腐さん";
}
if (!$text || !is_string($text)) {
throw new Exception('No text');
}
if (mb_strlen($text) > self::TEXT_LIMIT) {
throw new Exception('Too long text');
}
$shokos = new VolatileTwitShokos();
$rate = $shokos->evaluateLikelihood($text);
$this->assign('rate', $rate);
$this->assign('text', htmlspecialchars($text));
$this->assign('status', 'ok');
}