* @return The abbreviated string.
     */
    public String abbreviateLongText(final String str) {
        return StringUtils.abbreviate(str, ComponentUtil.getFessConfig().getMaxLogOutputLengthAsInteger());
    }

    /**
     * Normalizes an HTML language string.
     *
     * @param value The language string to normalize.
     * @return The normalized language string.
     */

     * @return The value of found property. (NotNull: if not found, exception but basically no way)
     * @throws NumberFormatException When the property is not integer.
     */
    Integer getMaxLogOutputLengthAsInteger();

    /**
     * Get the value for the key 'adaptive.load.control'. <br>
     * The value is, e.g. 50 <br>
     * comment: Adaptive load control value.