/**
*
* @param mixed $file A path to a file or a FileOutputStream object
* @param array $params
*/
public function __construct($file, $params = null)
{
if (is_string($file)) {
$file = new FileOutputStream($file);
}
if (!$file instanceof FileOutputStream) {
throw new EyeInvalidArgumentException('$file must be a string or a FileOutputStream object.');
}
parent::__construct($file, $params);
}
/**
* @param SimpleXmlElement &$data
* @param int $length
* @throws EyeIOException
*/
public function write(&$data, $length = null)
{
if (!$data instanceof SimpleXmlElement) {
throw new EyeInvalidArgumentException('$data must be a SimpleXmlElement object.');
}
//using DOM to format output
try {
$dom = new DOMDocument('1.0');
$dom->preserveWhiteSpace = false;
$dom->loadXML($data->asXML());
$dom->formatOutput = $this->formatOutput;
$rawData = $dom->saveXml();
parent::write($rawData, $length);
} catch (DOMException $e) {
throw new EyeIOException('Unable to write XML data.', 0, $e);
}
}
