while (matcher.find()) {
            MatchResult xrefMatcher = matcher.toMatchResult();
            String link = xrefMatcher.group(1);
            String fileName = getFileName(link, sourceFile);
            File referencedFile = new File(getDocumentationRoot().get().getAsFile(), fileName);
            if (!referencedFile.exists()) {

        }

        @Override
        public int getFileSize() {
            return (int) fileItem.getSize();
        }

        @Override
        public String getFileName() {
            return getBaseFileName(fileItem.getName());
        }

        protected String getBaseFileName(final String filePath) {
            final String fileName = new File(filePath).getName();

     *
     * @param artifact the artifact to install
     * @throws PluginException if installation fails
     */
    protected void install(final Artifact artifact) {
        final String fileName = artifact.getFileName();
        final String url = artifact.getUrl();
        if (StringUtil.isBlank(url)) {
            throw new PluginException("url is blank: " + artifact.getName());
        }

        assertEquals(exp, transformer.getFileName(url, Constants.UTF_8));

        url = "http://example.com/" + encodeUrl("#") + "/@@folder/test.txt";
        exp = "test.txt";
        assertEquals(exp, transformer.getFileName(url, Constants.UTF_8));

        url = "http://example.com/test%20+%2B.txt";
        exp = "test  +.txt";
        assertEquals(exp, transformer.getFileName(url, Constants.UTF_8));

            try (Stream<Path> stream = Files.list(logDirPath)) {
                stream.filter(entry -> isLogFilename(entry.getFileName().toString())).sorted().forEach(filePath -> {
                    final Map<String, Object> map = new HashMap<>();
                    final String name = filePath.getFileName().toString();
                    map.put("id", Base64.getUrlEncoder().encodeToString(name.getBytes(StandardCharsets.UTF_8)));

        final String body = getSingleNodeValue(document, getContentXpath(fessConfig, xpathConfigMap),
                prunedContent ? node -> pruneNode(node, crawlingConfig) : node -> node);
        final String fileName = getFileName(url, urlEncoding);
        putResultDataContent(dataMap, responseData, fessConfig, crawlingConfig, documentHelper, body, fileName);
        if ((fieldConfigs.getConfig(fessConfig.getIndexFieldCache())

            try (Stream<Path> stream = Files.list(logDirPath)) {
                stream.filter(entry -> isLogFilename(entry.getFileName().toString())).forEach(filePath -> {
                    final ZipEntry entry = new ZipEntry(id + "/" + filePath.getFileName().toString());
                    try {
                        zos.putNextEntry(entry);
                        final long len = Files.copy(filePath, zos);

        assertEquals("test", artifact.getName());
        assertEquals("1.0.0", artifact.getVersion());
        assertEquals("http://test.com/test.jar", artifact.getUrl());
        assertEquals("test-1.0.0.jar", artifact.getFileName());
        assertEquals(ArtifactType.UNKNOWN, artifact.getType());
    }

    @Test
    public void test_Artifact_constructorWithoutUrl() {
        Artifact artifact = new Artifact("test", "1.0.0");

                suggestHelper.storeAllBadWords(false);
            } catch (final Exception e) {
                throw new FessSystemException("Failed to import bad word data: fileName=" + form.badWordFile.getFileName(), e);
            }
        });
        saveInfo(messages -> messages.addSuccessUploadBadWord(GLOBAL));
        return redirect(getClass());
    }

    public HtmlResponse upload(final UploadForm form) {
        validate(form, messages -> {}, () -> asListHtml(form));
        verifyToken(this::asListHtml);
        final String uploadedFileName = form.designFile.getFileName();
        String fileName = form.designFileName;
        if (StringUtil.isBlank(fileName)) {
            fileName = uploadedFileName;
            try {
                int pos = fileName.indexOf('/');