protected function getContents($searchCriterias)
    {
        $searchCriterias = array_merge(array(
            'contentType' => '',
            'choiceType' => ReadContentRepositoryInterface::CHOICE_AND,
            'keywords' => null,
        ), $searchCriterias);
        $language = $this->currentSiteManager->getSiteLanguage();
        $siteId = $this->currentSiteManager->getSiteId();

        return $this->contentRepository->findByContentTypeAndCondition($language, $searchCriterias['contentType'], $searchCriterias['choiceType'], $searchCriterias['keywords'], $siteId);
    }