return defaultMaxLength;
    }

    /**
     * Sets the default maximum content length.
     * @param defaultMaxLength The default maximum content length to set.
     */
    public void setDefaultMaxLength(final long defaultMaxLength) {
        if (defaultMaxLength < 0) {
            throw new CrawlerSystemException("The value of defaultMaxLength is invalid.");
        }
        this.defaultMaxLength = defaultMaxLength;