}

        @Test
        @DisplayName("Should reject unsupported protocols")
        void testGetHandleUnsupportedProtocol() {
            // When/Then: Should throw exception for unsupported protocols
            assertThrows(DcerpcException.class, () -> DcerpcHandle.getHandle("unsupported:\\\\server", mockContext));
        }
    }

    @Nested

crawler.urlFilter.addInclude(".*\\.pdf$");

// Exclude patterns  
crawler.urlFilter.addExclude(".*\\.js$");
crawler.urlFilter.addExclude(".*login.*");
```

## Supported Protocols and Formats

### Protocols
- **HTTP/HTTPS**: Full web crawling support with cookies, authentication, redirects
- **File System**: Local and network file system access
- **FTP**: FTP server crawling with authentication

            return redirect(ErrorAction.class);
        }
    }

    /**
     * Checks if the given URL represents a file system path.
     * Determines if the URL uses file system protocols that may require
     * special handling for content serving.
     *
     * @param url the URL to check
     * @return true if the URL is a file system path, false otherwise
     */

  @Test
  @Throws(Exception::class)
  fun webSocketConnectionIsReleased() {
    // This test assumes HTTP/1.1 pooling semantics.
    client =
      client
        .newBuilder()
        .protocols(Arrays.asList(Protocol.HTTP_1_1))
        .build()
    webServer.enqueue(
      MockResponse
        .Builder()
        .code(HttpURLConnection.HTTP_NOT_FOUND)
        .body("not found!")
        .build(),

  fun withSettings(settings: Settings) =
    apply {
      this.settings = settings
    }

  fun withWebSocketUpgrade(listener: WebSocketListener) =
    apply {
      status = "HTTP/1.1 101 Switching Protocols"
      setHeader("Connection", "Upgrade")
      setHeader("Upgrade", "websocket")
      body = null
      webSocketListener = listener
    }

  override fun toString(): String = status

        }
    }

    /**
     * Returns the normalized protocol.
     *
     * @param protocol
     *            The protocol. Must not be {@literal null} or empty.
     * @return The normalized protocol.
     */
    public static String toCanonicalProtocol(final String protocol) {
        assertArgumentNotEmpty("protocol", protocol);

        final String canonicalProtocol = CANONICAL_PROTOCOLS.get(protocol);

      .assertNoMoreLogs()
  }

  @Test
  fun connectFail() {
    assumeNotWindows()
    server.useHttps(handshakeCertificates.sslSocketFactory())
    server.protocols = Arrays.asList(Protocol.HTTP_2, Protocol.HTTP_1_1)
    server.enqueue(
      MockResponse
        .Builder()
        .failHandshake()
        .build(),
    )
    url = server.url("/")
    try {

        if (maxSiteLength > -1) {
            return StringUtils.abbreviate(value, maxSiteLength);
        }
        return value;
    }

    /**
     * Extracts the filename from a URL, handling various protocols and URL decoding.
     * Processes HTTP, HTTPS, file, SMB, and FTP URLs appropriately.
     *
     * @param url the URL to extract filename from
     * @param encoding the character encoding (currently unused in this method)

        }
    }

    /**
     * SSO metadata endpoint.
     *
     * This method handles requests for SSO metadata, typically used by SAML or
     * other SSO protocols that require metadata exchange. The actual metadata
     * content is generated by the configured SSO authenticator.
     *
     * @return ActionResponse containing the SSO metadata or error page
     */
    @Execute

   */
  private fun enableProtocol(protocol: Protocol) {
    enableTls()
    client =
      client
        .newBuilder()
        .protocols(listOf(protocol, Protocol.HTTP_1_1))
        .build()
    server.protocols = client.protocols
  }

  private fun enableTls() {
    client =
      client
        .newBuilder()