}

    public void test_add_overwrite() {
        fileTypeHelper.add("application/pdf", "pdf");
        assertEquals("pdf", fileTypeHelper.get("application/pdf"));

        fileTypeHelper.add("application/pdf", "document");
        assertEquals("document", fileTypeHelper.get("application/pdf"));
    }

    public void test_add_withNullMimetype() {
        fileTypeHelper.add(null, "test");

    }

    public void test_createTask_withValidParams() {
        // Test task creation with valid parameters
        String path = "/path/to/document.pdf";
        Map<String, Object> docMap = new HashMap<>();
        docMap.put("mimetype", "application/pdf");
        docMap.put("title", "Test Document");

        Tuple3<String, String, String> task = thumbnailGenerator.createTask(path, docMap);
        assertNotNull(task);

        testFileTypeHelper.setTypes(new String[] { "pdf", "doc" });

        // Add existing file type query
        facetQueryView.addQuery("existing_pdf", "filetype:pdf");
        facetQueryView.addQuery("label1", "filetype:html");

        facetQueryView.init();

        Map<String, String> queryMap = facetQueryView.getQueryMap();

        // Should not duplicate existing pdf query

        assertEquals("filetype:\"pdf\"", getAsQuery(Collections.singletonMap(k, new String[] { "pdf" })));
        assertEquals("filetype:\"doc\"", getAsQuery(Collections.singletonMap(k, new String[] { " doc " })));
        assertEquals("filetype:\"pdf\" filetype:\"doc\"", getAsQuery(Collections.singletonMap(k, new String[] { "pdf", "doc" })));
    }

    public void test_conditions_sitesearch() {

        }
    }

    /**
     * Adds or updates a MIME type to file type mapping.
     *
     * @param mimetype the MIME type to map (e.g., "application/pdf")
     * @param filetype the file type classification (e.g., "pdf")
     */
    public void add(final String mimetype, final String filetype) {
        mimetypeMap.put(mimetype, filetype);
    }

    /**

        DataStoreParams paramMap = new DataStoreParams();
        paramMap.put("url_exclude_pattern", ".*\\.pdf$");

        boolean result1 = indexUpdateCallback.isUrlCrawlable(paramMap, "http://example.com/test.html");
        boolean result2 = indexUpdateCallback.isUrlCrawlable(paramMap, "http://example.com/test.pdf");

        assertTrue(result1);
        assertFalse(result2);

        final String tempPath = "/tmp/source.pdf";
        final String outputPath = "/tmp/thumbnail.jpg";

        final String expandedCommand = testCommand.replace("${url}", tempPath).replace("${outputFile}", outputPath);

        assertEquals("convert /tmp/source.pdf -resize 100x100 /tmp/thumbnail.jpg", expandedCommand);

    private static final String GEO_PREFIX = "geo.";

    /** Prefix for facet query parameters */
    private static final String FACET_PREFIX = "facet.";

    /** Format identifier for PDF date parsing */
    private static final String PDF_DATE = "pdf_date";

    /** Regular expression pattern for matching email addresses */
    private static final Pattern EMAIL_ADDRESS_PATTERN =

system](https://fess.codelibs.org/15.0/admin/fileconfig-guide.html), or [Data Store](https://fess.codelibs.org/15.0/admin/dataconfig-guide.html) (such as a CSV or database). Many file formats are supported including (but not limited to): Microsoft Office, PDF, and zip.

*[Fess Site Search](https://github.com/codelibs/fess-site-search)* is a free alternative to [Google Site Search](https://enterprise.google.com/search/products/gss.html). For more details, see the [FSS JS Generator documentation](...

/**
 * Low-level, high-performance utility methods related to the {@linkplain Charsets#UTF_8 UTF-8}
 * character encoding. UTF-8 is defined in section D92 of <a
 * href="http://www.unicode.org/versions/Unicode6.2.0/ch03.pdf">The Unicode Standard Core
 * Specification, Chapter 3</a>.
 *
 * <p>The variant of UTF-8 implemented by this class is the restricted definition of UTF-8
 * introduced in Unicode 3.1. One implication of this is that it rejects <a