final ObjectMapper objectMapper = new YAMLMapper();
        try {
            @SuppressWarnings("unchecked")
            final List<Map<?, ?>> result = objectMapper.readValue(content, List.class);
            if (result != null) {
                return result.stream().map(o -> new Artifact((String) o.get("name"), (String) o.get("version"), (String) o.get("url")))

            deleteTempFile(tempFile);
        }
    }

    private Map<String, Map<String, String>> parseObject(final ObjectMapper mapper, final String line) {
        try {
            return mapper.readValue(line, new TypeReference<Map<String, Map<String, String>>>() {
            });
        } catch (final Exception e) {
            if (logger.isDebugEnabled()) {
                logger.debug("Failed to parse {}", line, e);

                try {
                    if (StringUtil.isBlank(prev)) {
                        final Map<String, Map<String, String>> result =
                                mapper.readValue(line, new TypeReference<Map<String, Map<String, String>>>() {
                                });
                        if (result.containsKey("index") || result.containsKey("update")) {
                            return line;

        @SuppressWarnings("resource")
        final CsvReader csvReader = new CsvReader(reader, new CsvConfig());
        try {
            List<String> list;
            csvReader.readValues(); // ignore header
            while ((list = csvReader.readValues()) != null) {
                String targetWord = getValue(list, 0);
                if (StringUtil.isBlank(targetWord)) {
                    // skip
                    continue;

        final DateFormat formatter = new SimpleDateFormat(CoreLibConstants.DATE_FORMAT_ISO_8601_EXTEND);
        try {
            List<String> list;
            csvReader.readValues(); // ignore header
            while ((list = csvReader.readValues()) != null) {
                try {
                    final String sessionId = list.get(0);
                    CrawlingInfo crawlingInfo = crawlingInfoBhv.selectEntity(cb -> {

        @SuppressWarnings("resource")
        final CsvReader csvReader = new CsvReader(reader, cfg);
        try {
            List<String> list;
            csvReader.readValues(); // ignore header
            while ((list = csvReader.readValues()) != null) {
                final String suggestWord = getValue(list, 0);
                if (StringUtil.isBlank(suggestWord)) {
                    // skip