final AccessResultDataImpl accessResultData = new AccessResultDataImpl();
        accessResultData.setTransformerName("binaryTransformer");
        accessResultData.setData("xyz".getBytes());

        final Object obj = binaryTransformer.getData(accessResultData);
        assertNotNull(obj);
        assertTrue(obj instanceof InputStream);
        assertEquals("xyz", new String(IOUtils.toByteArray((InputStream) obj)));
    }

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

        final AccessResultDataImpl accessResultData = new AccessResultDataImpl();
        accessResultData.setTransformerName("textTransformer");
        accessResultData.setData("xyz".getBytes());

        final Object obj = textTransformer.getData(accessResultData);
        assertNotNull(obj);
        assertTrue(obj instanceof String);
        assertEquals("xyz", obj.toString());
    }

        accessResultDataImpl.setData("hoge.txt".getBytes());
        accessResultDataImpl.setEncoding(Constants.UTF_8);
        accessResultDataImpl.setTransformerName("fileTransformer");

        setBaseDir();

        final Object obj = fileTransformer.getData(accessResultDataImpl);
        assertTrue(obj instanceof File);

     *
     * @see org.codelibs.fess.crawler.entity.AccessResultData#getData()
     */
    @Override
    public byte[] getData() {
        return data;
    }

    /*
     * (non-Javadoc)
     *
     * @see org.codelibs.fess.crawler.entity.AccessResultData#setData(java.lang.String)
     */
    @Override
    public void setData(final byte[] data) {
        this.data = data;
    }

    @Override

     */
    byte[] getData();

    /**
     * Retrieves the data as a String.
     *
     * @return the data in String format.
     */
    String getDataAsString();

    /**
     * Sets the data for this AccessResultData instance.
     *
     * @param data the byte array containing the data to be set
     */
    void setData(byte[] data);

    /**

        final ResultData resultData = new ResultData();
        resultData.setTransformerName(getName());

        try (BufferedInputStream bis = new BufferedInputStream(responseData.getResponseBody())) {
            resultData.setData(IOUtils.toByteArray(bis));
            resultData.setEncoding(responseData.getCharSet());
            return resultData;
        } catch (final IOException e) {

        setEncoding((String) src.get(ENCODING));
        final String dataStr = (String) src.get(DATA);
        if (dataStr != null) {
            try {
                setData(Base64Util.decode(dataStr));
            } catch (final Exception e) {
                throw new OpenSearchAccessException("data: " + dataStr, e);
            }
        }
    }

    /**

        }
        return data;
    }

    /**
     * Set the data.
     * @param data the byte array data to set
     */
    public void setData(final byte[] data) {
        this.data = data;
    }

    /**
     * Add a child URL.
     * @param url the request data to add to the child URL set
     */
    public void addUrl(final RequestData url) {
        childUrlSet.add(url);
    }

    /**

     *
     * @param data the data buffer to write
     * @param offset the offset in the data buffer
     * @param length the number of bytes to write
     */
    public void setData(final byte[] data, final int offset, final int length) {
        this.data = data;
        this.dataOffset = offset;
        this.dataLength = length;
    }

    /**