/**
* Apply path on config instance.
*/
private function resolveConfigPath()
{
if (is_file($this->path)) {
$this->config->finder(new \ArrayIterator(array(new \SplFileInfo($this->path))));
} elseif ($this->isStdIn) {
$this->config->finder(new \ArrayIterator(array(new StdinFileInfo())));
} elseif (null !== $this->path) {
$this->config->setDir($this->path);
}
}