paramMap.put("unknown." + (unknownKey + 1), line.substring(pos + 1).trim());
                        unknownKey++;
                    } else if (pos > 0) {
                        final String key = line.substring(0, pos).trim();
                        if (pos < line.length()) {
                            String data = line.substring(pos + 1).trim();

                        if (contentMetaBuf.length() > 0) {
                            contentMetaBuf.append(' ');
                        }
                        contentMetaBuf.append(joinedValue.trim());
                    }
                }

                final Tuple3<String, String, String> mapping = fessConfig.getCrawlerMetadataNameMapping(key);
                if (mapping != null) {

    @Override
    protected Client createClient() {
        final FessConfig fessConfig = ComponentUtil.getFessConfig();
        final String[] hosts =
                split(address, ",").get(stream -> stream.map(String::trim).filter(StringUtil::isNotEmpty).toArray(n -> new String[n]));
        final Builder builder = Settings.builder().putList("http.hosts", hosts).put("processors", fessConfig.getCrawlerHttpProcessors())

     */
    @Test
    public void testLtrim() throws Exception {
        assertEquals("1", "trim", StringUtil.ltrim("zzzytrim", "xyz"));
        assertEquals("2", "", StringUtil.ltrim("xyz", "xyz"));
    }

    /**
     * @throws Exception
     */
    @Test
    public void testRtrim() throws Exception {
        assertEquals("trim", StringUtil.rtrim("trimxxxx", "x"));
        assertEquals("", StringUtil.rtrim("xyz", "xyz"));

        if (StringUtil.isNotBlank(value)) {
            final String[] encodingPairs = value.split(",");
            for (final String pair : encodingPairs) {
                final String[] encInfos = pair.trim().split(":");
                if (encInfos.length == 2) {
                    encodingMap.put("/" + encInfos[0] + "/", encInfos[1]);
                }
            }
        }
    }

    @Override

        body.virtualHosts = stream(entity.getVirtualHosts())
                .get(stream -> stream.filter(StringUtil::isNotBlank).distinct().map(String::trim).collect(Collectors.joining("\n")));
        return body;
    }

    }

    private static String getValue(final List<String> list, final int index) {
        if (index >= list.size()) {
            return StringUtil.EMPTY;
        }
        String item = list.get(index).trim();
        if (StringUtil.isBlank(item)) {
            return StringUtil.EMPTY;
        }
        if (item.length() > 1 && item.charAt(0) == '"' && item.charAt(item.length() - 1) == '"') {

        if (StringUtil.isBlank(value)) {
            return Collections.emptyList();
        }
        return split(value, ",").get(stream -> stream.map(String::trim)//
                .map(s -> clientRuleCache.computeIfAbsent(s, t -> {
                    final String[] values = t.split(":", 2);
                    if (values.length != 2) {
                        return null;

        } else {
            int[] tmp = new int[4];
            StringTokenizer st = new StringTokenizer( ro, "," );
            int i = 0;
            while( st.hasMoreTokens() ) {
                String s = st.nextToken().trim();
                if( s.equalsIgnoreCase( "LMHOSTS" )) {
                    tmp[i++] = RESOLVER_LMHOSTS;
                } else if( s.equalsIgnoreCase( "WINS" )) {
                    if( nbns == null ) {

            int[] tmp = new int[3];
            StringTokenizer st = new StringTokenizer( RO, "," );
            int i = 0;
            while( st.hasMoreTokens() ) {
                String s = st.nextToken().trim();
                if( s.equalsIgnoreCase( "LMHOSTS" )) {
                    tmp[i++] = RESOLVER_LMHOSTS;
                } else if( s.equalsIgnoreCase( "WINS" )) {