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);

        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")))

                        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")) {