assertEquals("test/path/osdd.xml", osddHelper.osddPath);
    }

    public void test_setEncoding() {
        final OsddHelper osddHelper = new OsddHelper();
        osddHelper.setEncoding("ISO-8859-1");
        assertEquals("ISO-8859-1", osddHelper.encoding);
    }

    public void test_setContentType() {
        final OsddHelper osddHelper = new OsddHelper();
        osddHelper.setContentType("application/xml");

    @Test
    public void testGetContentAsStringWithDifferentEncoding() throws IOException {
        CurlResponse response = new CurlResponse();
        response.setEncoding("ISO-8859-1");
        String testContent = "Hello, World!";
        byte[] data = testContent.getBytes("ISO-8859-1");
        ContentCache cache = new ContentCache(data);
        response.setContentCache(cache);

        String content = response.getContentAsString();

            return new Date(time);
        } catch (final Exception e) {
            return null;
        }
    }

    /**
     * Formats a Date object to ISO datetime string format in UTC timezone.
     *
     * @param date the date to format
     * @return formatted date string, or empty string if date is null
     */
    public static String formatDate(final Date date) {

        if (encoding != null) {
            String enc;
            if (StringUtil.isNotBlank(getFessConfig().getCrawlerDocumentSiteEncoding())
                    && (!getFessConfig().isCrawlerDocumentUseSiteEncodingOnEnglish() || "ISO-8859-1".equalsIgnoreCase(encoding)
                            || "US-ASCII".equalsIgnoreCase(encoding))) {
                enc = getFessConfig().getCrawlerDocumentSiteEncoding();
            } else {

                haveValue = true;
            } catch (final Exception e) {}
        }
        if (!haveValue) {
            try {
                value = item.getString(Charset.forName("ISO-8859-1"));
            } catch (final java.io.UnsupportedEncodingException uee) {
                value = item.getString();
            } catch (final IOException e) {

        }
    }

    /**
     * Writes the current timestamp to the crawling session information.
     * The timestamp is formatted in ISO 8601 extended format.
     *
     * @param crawlingInfoHelper helper for managing crawling session information
     * @param key the key under which to store the timestamp
     */

    // ============================================================

    /** Default datetime format pattern without timezone. */
    public static final String DEFAULT_DATETIME_FORMAT = "yyyy-MM-dd'T'HH:mm:ss";

    /** ISO datetime format pattern with milliseconds and UTC timezone. */
    public static final String ISO_DATETIME_FORMAT = "yyyy-MM-dd'T'HH:mm:ss.SSS'Z'";

    /** Date optional time format identifier. */