function findById($id)
{
Validation::notEmpty($id, 'id');
$themesConfigs = $this->findAllThemesConfigPaths();
$rpath = $themesConfigs[$id];
if (isset($rpath)) {
$path = $this->toFullPath($rpath);
$xml = $this->loadXML($path);
if ($xml != NULL) {
return $this->loadTheme($xml, $id, $rpath);
}
}
return NULL;
}