if (session != null && session.getAttribute("npa-workgroup") != null) {
                    // Authentication successful - mock directory operation
                    resp.setContentType("text/html");
                    doDirectory(req, resp, smbFile);
                } else {
                    // Send 401
                    resp.setStatus(HttpServletResponse.SC_UNAUTHORIZED);

    }

    /**
     * Handles directory listing requests for SMB directories.
     * @param req the HTTP servlet request
     * @param resp the HTTP servlet response
     * @param dir the SMB directory to list
     * @throws IOException if an I/O error occurs
     */

    }

    /**
     * Handles directory listing requests for SMB directories.
     * @param req the HTTP servlet request
     * @param resp the HTTP servlet response
     * @param dir the SMB directory to list
     * @throws IOException if an I/O error occurs
     */
    @SuppressWarnings("resource")

- **MS-SMB2 Section 3.3.5.9.11**: Directory Leasing and Caching

## 3. Directory Lease Types

### 3.1 Directory-Specific Lease States
```java
public class DirectoryLeaseState extends Smb2LeaseState {
    // Standard lease states apply, plus directory-specific semantics:
    
    // READ_CACHING for directories means:
    // - Can cache directory enumeration results
    // - Can cache file existence queries

						<!-- logs (empty) -->
						<mapping>
							<directory>${packaging.fess.log.dir}</directory>
						</mapping>
						<!-- temp (empty) -->
						<mapping>
							<directory>${packaging.fess.temp.dir}</directory>
						</mapping>
						<!-- dictionary (empty) -->
						<mapping>
							<directory>${packaging.fess.dictionary.dir}</directory>
							<filemode>755</filemode>
							<username>opensearch</username>

    /**
     * Directory change types
     */
    public enum DirectoryChangeType {
        /**
         * File was added to the directory
         */
        FILE_ADDED,
        /**
         * File was removed from the directory
         */
        FILE_REMOVED,
        /**
         * File was modified in the directory
         */
        FILE_MODIFIED,
        /**

     * @return the Path object pointing to the site directory
     */
    public static Path getSitePath(final String... names) {
        return getPath("WEB-INF/", "site", names);
    }

    /**
     * Gets the path to plugin files directory.
     *
     * @param names the path components to append to the plugin directory
     * @return the Path object pointing to the plugin directory
     */

    // filter flags

    /**
     * Any file name change in the watched directory or subtree causes a change notification wait operation to return.
     * Changes include renaming, creating, or deleting a file.
     */
    int FILE_NOTIFY_CHANGE_FILE_NAME = 0x00000001;

    /**
     * Any directory-name change in the watched directory or subtree causes a change notification wait operation to

        // List empty directory
        String[] files = checkDir.list();
        assertNotNull(files, "List should not be null");
        assertEquals(0, files.length, "Empty directory should have no files");

        // Get directory size (should be 0 for directories)
        assertEquals(0, checkDir.length(), "Directory length should be 0");
        checkDir.close();

            lock.writeLock().unlock();
        }
    }

    /**
     * Gets the directory path for this cache entry
     * @return the directory path
     */
    public String getDirectoryPath() {
        return directoryPath;
    }

    /**
     * Gets the lease key associated with this directory cache
     * @return the lease key
     */
    public Smb2LeaseKey getLeaseKey() {