/**
* Constructor.
*
* @param FilesystemObject|string $file File instance or the path of a file as a string of the file to read from.
* The file or file path must be an existing file.
*
* @throws \Exception Throws an exception on error.
*/
public function __construct($file)
{
// Set the default file access mode
$this->fileMode = FileAccessModeFactory::createReadOnlyMode();
// Get and store $file as File instance, throw an exception if failed
if (($file = File::asFile($file)) === null) {
// TODO: Throw a better exception!
throw new \Exception("Invalid file!");
}
// Set the file
$this->setFile($file);
}
