// ensure file is open
        if (this.handle == null || !this.handle.isValid()) {
            // one extra acquire to keep this open till the stream is released
            this.handle =
                    this.file.openUnshared(this.openFlags, this.access, this.sharing, SmbConstants.ATTR_NORMAL, this.options).acquire();
            return this.handle;
        }
        return this.handle.acquire();
    }

    /**

            assertEquals(transport, result);
            verify(transportPool).getSmbTransport(context, TEST_HOST, DEFAULT_PORT, false, true);
        }

        @Test
        @DisplayName("Should handle UnknownHostException")
        void testGetSmbTransportUnknownHost() throws UnknownHostException, IOException {
            // Given

    }
  }

  override fun getSelectedProtocol(sslSocket: SSLSocket): String? =
    if (sslSocket is BCSSLSocket) {
      when (val protocol = (sslSocket as BCSSLSocket).applicationProtocol) {
        // Handles both un-configured and none selected.
        null, "" -> null
        else -> protocol
      }
    } else {
      super.getSelectedProtocol(sslSocket)
    }

  companion object {

    /**
     * Checks if this tree handle refers to the same tree as another
     * @param th the tree handle to compare with
     * @return whether the handles refer to the same tree
     */
    boolean isSameTree(SmbTreeHandle th);

    /**
     * Checks if this tree handle uses SMB2 or later protocol
     * @return whether this tree handle uses SMB2+
     */
    boolean isSMB2();

    /**

import jakarta.annotation.Resource;

/**
 * Abstract base class for implementing {@link Rule} interfaces.
 * Provides common functionality and properties for crawler rules.
 *
 * <p>
 * This class handles the registration of rules with the {@link RuleManager}
 * and provides getter and setter methods for common properties such as
 * {@code ruleId} and {@code responseProcessor}.
 * </p>
 *
 * <p>

	"strconv"
	"strings"
	"text/scanner"

	"cmd/asm/internal/flags"
	"cmd/internal/objabi"
	"cmd/internal/src"
)

// Input is the main input: a stack of readers and some macro definitions.
// It also handles #include processing (by pushing onto the input stack)
// and parses and instantiates macro definitions.
type Input struct {
	Stack
	includes        []string
	beginningOfLine bool
	ifdefStack      []bool

        }

        @Test
        @DisplayName("Should handle null root cause")
        void testConstructorWithNullRootCause() {
            TransportException exception = new TransportException((Throwable) null);

            assertNotNull(exception);
            assertNull(exception.getRootCause());
        }

        @Test
        @DisplayName("Should handle null message with root cause")

        // When
        response.prepare(mockNext);

        // Then
        verify(mockNext, times(0)).setTreeId(any(Integer.class));
    }

    @DisplayName("Should handle various share flag combinations")
    @ParameterizedTest
    @MethodSource("provideFlagCombinations")
    void testShareFlagCombinations(int flags, boolean expectedDfs) throws SMBProtocolDecodingException {
        // Given

 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */
package jcifs.smb;

/**
 * Handler for SMB session setup operations.
 *
 * This interface defines methods for handling the session
 * setup process in SMB authentication.
 *
 * @author mbechler
 */
public interface SessionSetupHandler {

     * @param host
     * @return tree handle
     * @throws IOException
     */
    public synchronized SmbTreeHandleImpl connectHost(final SmbResourceLocatorImpl loc, final String host) throws IOException {
        return connectHost(loc, host, null);
    }

    /**
     *
     * @param loc
     * @param host
     * @param referral
     * @return tree handle
     * @throws IOException
     */