try {
            resultData.setData(data.getBytes(charsetName));
        } catch (final UnsupportedEncodingException e) {
            if (logger.isInfoEnabled()) {
                logger.info("Invalid charsetName: " + charsetName + ". Changed to " + Constants.UTF_8, e);
            }
            charsetName = Constants.UTF_8_CHARSET.name();

        trimSpaceEnabled = trimSpace;
    }

    /**
     * @return the charsetName
     */
    public String getCharsetName() {
        return charsetName;
    }

    /**
     * @param charsetName the charsetName to set
     */
    public void setCharsetName(final String charsetName) {
        this.charsetName = charsetName;
    }

    /**
     * @return the dataClass
     */

    }

    public RobotsTxt parse(final InputStream stream, final String charsetName) {
        if (!enabled) {
            return null;
        }

        try {
            @SuppressWarnings("resource")
            final BufferedReader reader = new BufferedReader(new InputStreamReader(new BOMInputStream(stream), charsetName));

            String line;
            final RobotsTxt robotsTxt = new RobotsTxt();

        }
    }

    protected boolean isSupportedCharset(final String charsetName) {
        if (charsetName == null) {
            return false;
        }
        try {
            Charset.forName(charsetName);
        } catch (final Exception e) {
            return false;
        }
        return true;
    }

        } catch (final Exception e) {
            throw new CrawlingAccessException("Could not serialize object: " + responseData.getUrl(), e);
        }
        resultData.setEncoding(charsetName);
    }

    protected void normalizeData(final ResponseData responseData, final Map<String, Object> dataMap) {
        final Object titleObj = dataMap.get(fessConfig.getIndexFieldTitle());