key = "application/x-lharc";
        assertTrue(extractorFactory.getExtractor(key) instanceof LhaExtractor);

    }

    public void test_builder() {
        assertEquals("test", extractorFactory.builder(new ByteArrayInputStream("test".getBytes()), null).extract().getContent());
        assertEquals("test",

            final JsonNode rootNode = objectMapper.readTree(in);
            final StringBuilder textBuilder = new StringBuilder();
            final Map<String, List<String>> metadataMap = new LinkedHashMap<>();

            extractContent(rootNode, "", textBuilder, metadataMap, 0);

            final ExtractData extractData = new ExtractData(textBuilder.toString().trim());

            if (extractMetadata) {