ALIOSS::validate_content PHP Method

    private function validate_content($options)
    {
        if (isset($options[self::OSS_CONTENT])) {
            if ($options[self::OSS_CONTENT] == '' || !is_string($options[self::OSS_CONTENT])) {
                throw new OSS_Exception(OSS_INVALID_HTTP_BODY_CONTENT, '-600');
            }
        } else {
            throw new OSS_Exception(OSS_NOT_SET_HTTP_CONTENT, '-601');
        }
    }