private static function processDataSources(\DOMDocument $xml, Config &$config)
{
$sources = $xml->getElementsByTagName(self::DATA_SOURCE_ELEMENT);
foreach ($sources as $source) {
$type = DataSourceType::valueOf($source->getAttribute('type'));
$name = $source->getAttribute('name');
$host = $source->getElementsByTagName('host')->item(0)->nodeValue;
$port = $source->getElementsByTagName('port')->length == 0 ? null : $source->getElementsByTagName('port')->item(0)->nodeValue;
$username = $source->getElementsByTagName('username')->item(0)->nodeValue;
$password = $source->getElementsByTagName('password')->item(0)->nodeValue;
$database = $source->getElementsByTagName('database')->item(0)->nodeValue;
$dataSource = new DataSourceConfig($type, $name, $host, $port, $username, $password, $database);
$config->addDataSource($dataSource);
}
}
