http://foo:80/  s:http h:foo p:/
http://foo:81/  s:http h:foo port:81 p:/
httpa://foo:80/  s:httpa p://foo:80/
http://foo:-80/
https://foo:443/  s:https h:foo p:/
https://foo:80/  s:https h:foo port:80 p:/
ftp://foo:21/  s:ftp h:foo p:/
ftp://foo:80/  s:ftp h:foo port:80 p:/
gopher://foo:70/  s:gopher h:foo p:/
gopher://foo:443/  s:gopher h:foo port:443 p:/
ws://foo:80/  s:ws h:foo p:/
ws://foo:81/  s:ws h:foo port:81 p:/

        url = "smb1://example.com/test%E3%81%82.txt";
        exp = "test%E3%81%82.txt";
        assertEquals(exp, transformer.getFileName(url, Constants.UTF_8));

        url = "ftp://example.com/test%E3%81%82.txt";
        exp = "test%E3%81%82.txt";
        assertEquals(exp, transformer.getFileName(url, Constants.UTF_8));
    }

    public void test_decodeUrl_null() throws Exception {

        // ## Act & Assert ##
        assertNotNull(Curl.get("https://secure.example.com/path?param=value"));
        assertNotNull(Curl.post("http://api.example.com/v1/resource"));
        assertNotNull(Curl.put("ftp://files.example.com/upload"));
        assertNotNull(Curl.delete("http://localhost:8080/delete"));
        assertNotNull(Curl.head("https://cdn.example.com/assets/file.js"));

    /** Array of supported web protocols with colon suffix (e.g., "http:", "https:") */
    protected String[] webProtocols = StringUtil.EMPTY_STRINGS;

    /** Array of supported file protocols with colon suffix (e.g., "file:", "ftp:") */
    protected String[] fileProtocols = StringUtil.EMPTY_STRINGS;

    /**
     * Default constructor for ProtocolHelper.
     * Initializes the helper with empty protocol arrays that will be populated during init().

import org.apache.http.auth.UsernamePasswordCredentials;
import org.codelibs.core.lang.StringUtil;
import org.codelibs.fess.Constants;
import org.codelibs.fess.crawler.client.CrawlerClientFactory;
import org.codelibs.fess.crawler.client.ftp.FtpClient;
import org.codelibs.fess.crawler.client.http.HcHttpClient;
import org.codelibs.fess.crawler.client.smb.SmbClient;
import org.codelibs.fess.mylasta.direction.FessConfig;
import org.codelibs.fess.util.ComponentUtil;

    public static final String FORM = "FORM";

    /** Samba authentication type identifier. */
    public static final String SAMBA = "SAMBA";

    /** FTP authentication type identifier. */
    public static final String FTP = "FTP";

    // ============================================================
    // Query Reserved Characters and Patterns
    // ============================================================

    protected String[] webProtocols = { "http:", "https:" };

    /** Array of supported file protocols for URL classification. */
    protected String[] fileProtocols = { "file:", "smb:", "smb1:", "ftp:", "storage:" };

    /** Queue to track the current XML element hierarchy during parsing. */
    protected LinkedList<String> tagQueue;

    /** List to store parsed label types for access control. */

     * This method implements incremental crawling by comparing timestamps and checking document
     * expiration. It also handles special cases for different URL schemes (SMB, file, FTP).
     *
     * @param client the crawler client to use for accessing the URL
     * @param urlQueue the URL queue item containing the URL to check

            highlightInfo.fragmentSize((int) (highlightInfo.getFragmentSize() * ratio));
        }
    }

    /**
     * Gets the URL link for a document with proper protocol handling.
     * Handles file, SMB, FTP, and HTTP protocols.
     *
     * @param document the document data map
     * @return the processed URL link
     */
    public String getUrlLink(final Map<String, Object> document) {

/**
 * API action for admin file configuration management.
 * Provides RESTful API endpoints for managing file crawling configuration settings in the Fess search engine.
 * File configurations define settings for crawling file systems, FTP servers, and other file-based data sources.
 *
 */
public class ApiAdminFileconfigAction extends FessApiAdminAction {

    private static final Logger logger = LogManager.getLogger(ApiAdminFileconfigAction.class);