public function ccxml($projectId)
    {
        /* @var Project $project */
        $project = $this->projectStore->getById($projectId);
        $xml = new \SimpleXMLElement('<Projects/>');

        if (!$project instanceof Project || !$project->getAllowPublicStatus()) {
            return $this->renderXml($xml);
        }

        try {
            $branchList = $this->buildStore->getBuildBranches($projectId);

            if (!$branchList) {
                $branchList = array($project->getBranch());
            }

            foreach ($branchList as $branch) {
                $buildStatusService = new BuildStatusService($branch, $project, $project->getLatestBuild($branch));
                if ($attributes = $buildStatusService->toArray()) {
                    $projectXml = $xml->addChild('Project');
                    foreach ($attributes as $attributeKey => $attributeValue) {
                        $projectXml->addAttribute($attributeKey, $attributeValue);
                    }
                }
            }
        } catch (\Exception $e) {
            $xml = new \SimpleXMLElement('<projects/>');
        }

        return $this->renderXml($xml);
    }