BaseOauthServerBundle/Repository/OAuthClientRepository.php

<?php

namespace Base\OAuthServerBundle\Repository;

class OAuthClientRepository extends \Doctrine\ORM\EntityRepository
{

    /**
     * @param string $redirectUri
     * 
     * @return \Base\OAuthServerBundle\Entity\OAuthClient
     */
    public function findOneByRedirectUri($redirectUri)
    {
        $qb = $this->createQueryBuilder('OAuthClient');
        $qb->where($qb->expr()->like('OAuthClient.redirectUris', ':redirectUri'))
                ->setParameter('redirectUri', "%{$redirectUri}%")
                ->setMaxResults(1)
        ;

        return $qb->getQuery()->getOneOrNullResult();
    }

}