* [Override the default exception handlers](https://fastapi.tiangolo.com/tutorial/handling-errors/#override-the-default-exception-handlers).
        * [Reuse **FastAPI's** exception handlers](https://fastapi.tiangolo.com/tutorial/handling-errors/#reuse-fastapis-exception-handlers).
    * PR [#273](https://github.com/tiangolo/fastapi/pull/273).

        // First call should create a new Handler
        URLStreamHandler handler1 = cifsContextWrapper.getUrlHandler();
        assertNotNull(handler1);
        assertTrue(handler1 instanceof Handler);

        // Second call should return the same instance
        URLStreamHandler handler2 = cifsContextWrapper.getUrlHandler();
        assertEquals(handler1, handler2);
    }

    @Test

            // When
            Handler handler1 = new Handler();
            Handler handler2 = new Handler();
            Handler handler3 = new Handler();

            // Then
            assertEquals(443, handler1.getDefaultPort());
            assertEquals(443, handler2.getDefaultPort());
            assertEquals(443, handler3.getDefaultPort());
        }
    }

    @Nested

 *
 * <p>
 * The {@link GcsURLConnection} class handles the actual connection and data retrieval from the storage service.
 * </p>
 */
public class Handler extends URLStreamHandler {

    /**
     * Constructs a new Handler.
     */
    public Handler() {
        // Default constructor
    }

    /**
     * Opens a connection to the GCS URL.
     *
     * @param u The URL to open a connection to

 * </ul>
 *
 * <p>
 * The {@link S3URLConnection} class handles the actual connection and data retrieval from the S3 service.
 * </p>
 */
public class Handler extends URLStreamHandler {

    /**
     * Constructs a new Handler.
     */
    public Handler() {
        // Default constructor
    }

    /**
     * Opens a connection to the S3 URL.
     *

 * </ul>
 *
 * <p>
 * The {@link StorageURLConnection} class handles the actual connection and data retrieval from the storage service.
 * </p>
 */
public class Handler extends URLStreamHandler {

    /**
     * Constructs a new Handler.
     */
    public Handler() {
        // Default constructor
    }

    /**
     * Opens a connection to the storage URL.
     *

package jcifs.smb1.https;

/**
 * A <code>URLStreamHandler</code> used to provide NTLM authentication
 * capabilities to the default HTTPS handler.  This acts as a wrapper,
 * handling authentication and passing control to the underlying
 * stream handler.
 */
public class Handler extends jcifs.smb1.http.Handler {

    /**
     * The default HTTPS port (<code>443</code>).
     */
    public static final int DEFAULT_HTTPS_PORT = 443;

import jcifs.context.SingletonContext;

/**
 * URL handler for transparent smb:// URL handling
 *
 */
public class Handler extends URLStreamHandler {

    private static final Logger log = LoggerFactory.getLogger(Handler.class);
    private CIFSContext transportContext;

    /**
     * Default constructor for SMB URL handler.
     */
    public Handler() {
    }

    /**

 * capabilities to the default HTTPS handler. This acts as a wrapper,
 * handling authentication and passing control to the underlying
 * stream handler.
 *
 * @deprecated {@link NtlmHttpURLConnection} is broken by design.
 */
@Deprecated
public class Handler extends jcifs.http.Handler {

    /**
     * The default HTTPS port (<code>443</code>).
     */

import java.net.URL;
import java.net.URLConnection;
import java.net.URLStreamHandler;

/**
 * URL handler for SMB1 protocol URLs.
 */
public class Handler extends URLStreamHandler {

    static final URLStreamHandler SMB_HANDLER = new Handler();

    /**
     * Default constructor for SMB1 URL handler.
     */
    public Handler() {
    }

    @Override
    protected int getDefaultPort() {