* Gets the extractor for the specified file extension.
     *
     * @param ext the file extension
     * @return the extractor for the extension, or null if not found
     */
    private Extractor getExtractor(final String ext) {
        return extractorMap.get(ext);
    }

    /**
     * Gets the output extension for the specified input extension.
     *
     * @param extension the input file extension

                    createTempFile("cmdextin_" + filePrefix + "_", StringUtil.isNotBlank(extention) ? "." + extention : extention, tempDir);
            String ext;
            if (outputExtension == null) {
                if (StringUtil.isNotBlank(extention)) {
                    ext = "." + extention;
                } else {
                    ext = extention;
                }
            } else {
                ext = outputExtension;

        this.commandDestroyTimeout = commandDestroyTimeout;
    }

    /**
     * Gets file extension from MIME type for creating temp files with proper extensions.
     * This helps ImageMagick correctly identify file formats.
     * @param mimeType The MIME type of the content.
     * @return The file extension including the dot (e.g., ".gif"), or empty string if unknown.
     */

        @DisplayName("close method should not declare exceptions")
        void testCloseMethodExceptions() throws NoSuchMethodException {
            // Given
            Method closeMethod = SmbResource.class.getMethod("close");

            // When
            Class<?>[] exceptions = closeMethod.getExceptionTypes();

            // Then
            assertEquals(0, exceptions.length, "close() should not declare any exceptions");

import org.mockito.Mockito;
import org.mockito.junit.jupiter.MockitoExtension;

import jcifs.SmbSession;

/**
 * Tests for SmbTransportInternal interface using Mockito mocks to
 * exercise method contracts, checked exceptions, and interactions.
 */
@ExtendWith(MockitoExtension.class)
public class SmbTransportInternalTest {

    @Mock
    private SmbTransportInternal transport;

    @Mock
    private jcifs.CIFSContext ctx;

        verify(fd, never()).markClosed();
    }

    @Test
    @DisplayName("available() wraps SmbException to IOException")
    void available_wrapsException() throws Exception {
        // Verify exceptions from th.send are converted to IOException via seToIoe
        SmbPipeInputStream stream = newStreamWithMinimalStubs(true);

        when(handle.ensureOpen()).thenReturn(fd);
        when(fd.getTree()).thenReturn(tree);

        byte[] b = new byte[] { 10, 11, 12 };
        spyTarget.send(b, 1, 2);
        verify(out).writeDirect(b, 1, 2, 1);
    }

    @Test
    @DisplayName("sendrecv with null buffers throws relevant exceptions")
    void testSendRecvInvalidInputs() throws CIFSException {
        // Null out buffer for SMB2 path -> expect NPE when building request
        when(pipe.ensureTreeConnected()).thenReturn(tree);

        assertTrue(endLatch.await(30, TimeUnit.SECONDS), "All threads should complete within timeout");
        executor.shutdown();

        // Then - Verify no exceptions occurred
        if (!exceptions.isEmpty()) {
            fail("Concurrent operations caused exceptions: " + exceptions.get(0));
        }

        assertEquals(threadCount * opsPerThread, successCount.get(), "All operations should succeed");
    }

    /**

     * @param extension
     *            The extension.
     * @return The resource path.
     */
    public static String getResourcePath(final String path, final String extension) {
        assertArgumentNotNull("path", path);

        if (extension == null) {
            return path;
        }
        final String ext = "." + extension;
        if (path.endsWith(ext)) {

					</archive>
				</configuration>
			</plugin>
			<plugin>
				<groupId>org.apache.felix</groupId>
				<artifactId>maven-bundle-plugin</artifactId>
				<version>6.0.0</version>
				<extensions>true</extensions>

				<configuration>
					<instructions>
						<Bundle-Version>${osgi.version}</Bundle-Version>
						<Bundle-License>LGPL</Bundle-License>
						<Bundle-Vendor>CodeLibs</Bundle-Vendor>