/**
* Opens the stream in the specified mode
*
* @param Magento_Filesystem_Stream_Mode|string $mode
* @throws Magento_Filesystem_Exception If stream cannot be opened
*/
public function open($mode)
{
if (is_string($mode)) {
$mode = new Magento_Filesystem_Stream_Mode($mode);
}
$fileHandle = @fopen($this->_path, $mode->getMode());
if (false === $fileHandle) {
throw new Magento_Filesystem_Exception(sprintf('The stream "%s" cannot be opened', $this->_path));
}
$this->_mode = $mode;
$this->_fileHandle = $fileHandle;
}
