/** Length for directory name generation. */
    protected int directoryNameLength = 5;

    /** List of generator names. */
    protected List<String> generatorList;

    /** Map of file paths for thumbnail generation. */
    protected Map<String, String> filePathMap = new HashMap<>();

    /** The name of this thumbnail generator. */
    protected String name;

    /** Maximum number of redirects to follow. */

                } catch (final Exception e) {
                    logger.warn("Failed to delete UrlFilter: sessionId={}", sid);
                }
            }

            // set paths
            split(pathsStr, "[\r\n]").of(stream -> stream.filter(StringUtil::isNotBlank).map(String::trim).distinct().forEach(urlValue -> {
                if (!urlValue.startsWith("#")) {
                    final String u;

    /** A cache for language items. */
    protected LoadingCache<String, List<Map<String, String>>> langItemsCache;

    /** The encoding for filtering paths. */
    protected String filterPathEncoding;

    /** An array of supported language codes. */
    protected String[] supportedLanguages;

    /** A list of shutdown hooks to be executed on system shutdown. */

import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.net.Proxy;
import java.nio.file.Files;
import java.nio.file.Path;
import java.nio.file.Paths;
import java.util.ArrayList;
import java.util.Collections;
import java.util.Comparator;
import java.util.List;
import java.util.Map;
import java.util.concurrent.TimeUnit;
import java.util.regex.Matcher;

    public void migrate() {
        new Thread(() -> {
            final Path basePath = baseDir.toPath();
            final String suffix = "." + imageExtention;
            try (Stream<Path> paths = Files.walk(basePath)) {
                paths.filter(path -> path.toFile().getName().endsWith(imageExtention)).forEach(path -> {
                    final Path subPath = basePath.relativize(path);

    }

    // ===================================================================================
    //                                                                      Excluded Paths
    //                                                                      ==============

    @Test
    public void test_doFilter_adminPathExcluded() throws IOException, ServletException {
        setConfig(10, 10);

        generator.setCommandDestroyTimeout(-1L);
        assertTrue(true);

        generator.setCommandDestroyTimeout(Long.MAX_VALUE);
        assertTrue(true);
    }

    // Test special characters in paths
    @Test
    public void test_special_characters_in_paths() throws Exception {
        final File tempDir = new File(System.getProperty("java.io.tmpdir"));

n=r(e,t);if(n){if(n.get)return D(n.get);if("function"==typeof n.value)return D(n.value)}e=o(e)}return function(){return null}}const v=i(["a","abbr","acronym","address","area","article","aside","audio","b","bdi","bdo","big","blink","blockquote","body","br","button","canvas","caption","center","cite","code","col","colgroup","content","data","datalist","dd","decorator","del","details","dfn","dialog","dir","div","dl","dt","element","em","fieldset","figcaption","figure","font","footer","form","h1","h2","h3","h4","h5","...

        // Empty path is valid (default host)
        if (StringUtil.isBlank(path)) {
            return true;
        }
        // Path must match one of the configured virtual host paths
        for (final String validPath : ComponentUtil.getVirtualHostHelper().getVirtualHostPaths()) {
            if (path.equals(validPath)) {
                return true;
            }
        }

```

#### Crawl-Based Migration

Alternatively, let Fess recrawl your content:

1. **Web Content**: Configure Web Crawler with starting URLs
2. **File Shares**: Configure File Crawler with SMB/FTP paths
3. **Databases**: Configure Data Store crawling with JDBC connections

---

## Data Import Methods

Fess provides multiple methods for importing data:

### 1. Admin UI Import