nextcloud-server/lib/private/preview/staroffice.php

<?php
/**
 * Copyright (c) 2013 Georg Ehrke georg@ownCloud.com
 * This file is licensed under the Affero General Public License version 3 or
 * later.
 * See the COPYING-README file.
 */
namespace OC\Preview;

//.sxw, .stw, .sxc, .stc, .sxd, .std, .sxi, .sti, .sxg, .sxm
class StarOffice extends Office {
	/**
	 * {@inheritDoc}
	 */
	public function getMimeType() {
		return '/application\/vnd.sun.xml.*/';
	}
}