private final File tempFile;

    private final FileInputStream fileInputStream;

    /**
     * A class that provides an input stream for reading from a temporary file.
     * This class wraps a {@link FileInputStream} to read from the specified temporary file.
     *
     * @param tempFile the temporary file to be read

                channel = new RandomAccessFile(touchfile, "rw").getChannel();
                lock = channel.lock();

                if (touchfile.canRead()) {
                    getLogger().debug("Reading resolution-state from: " + touchfile);
                    props.load(Channels.newInputStream(channel));
                }

                props.setProperty(key, Long.toString(System.currentTimeMillis()));

		if f, err := os.Open(sessionPolicyFile); err != nil {
			log.Fatalf("Unable to open session policy file: %v", err)
		} else {
			defer f.Close()
			bs, err := io.ReadAll(f)
			if err != nil {
				log.Fatalf("Error reading session policy file: %v", err)
			}
			policy = string(bs)
		}
		stsOpts.Policy = policy
	}
	if expiryDuration != 0 {
		stsOpts.DurationSeconds = int(expiryDuration.Seconds())
	}

		os.Mkdir(extractDir, 0o755)
		w, err := os.Create(dst)
		if err != nil {
			return fmt.Errorf("creating output file: %w", err)
		}
		_, err = io.Copy(w, stream)
		if err != nil {
			return fmt.Errorf("reading inspect stream: %w", err)
		}
		fmt.Printf("Extracted: %s\n", dst)
		extracted = true
	}

            throw new SMBProtocolDecodingException("Buffer too small for timestamps and offsets section");
        }

        this.systemTime = SMBUtil.readTime(buffer, bufferIndex);
        bufferIndex += 8;
        this.serverStartTime = SMBUtil.readTime(buffer, bufferIndex);
        bufferIndex += 8;

        final int securityBufferOffset = SMBUtil.readInt2(buffer, bufferIndex);

import jcifs.Configuration;

/**
 * SMB1 transaction subcommand for calling a named pipe.
 *
 * This class implements the TRANS_CALL_NAMED_PIPE transaction which allows
 * writing data to and reading data from a named pipe in a single operation.
 */
public class TransCallNamedPipe extends SmbComTransaction {

    private static final Logger log = LoggerFactory.getLogger(TransCallNamedPipe.class);

import jcifs.internal.util.SMBUtil;

/**
 * SMB1 transaction subcommand for transacting with a named pipe.
 *
 * This class implements the TRANS_TRANSACT_NAMED_PIPE transaction which
 * combines writing data to a pipe and reading the response in a single operation.
 * This is more efficient than separate write and read operations.
 */
public class TransTransactNamedPipe extends SmbComTransaction {

pkg io, type ReaderFrom interface, ReadFrom(Reader) (int64, error)
pkg io, type RuneReader interface { ReadRune }
pkg io, type RuneReader interface, ReadRune() (int32, int, error)
pkg io, type RuneScanner interface { ReadRune, UnreadRune }
pkg io, type RuneScanner interface, ReadRune() (int32, int, error)
pkg io, type RuneScanner interface, UnreadRune() error
pkg io, type SectionReader struct

    public void testCreateDefaultReadingConverter() {
        // Test creating default reading converter
        ReadingConverter converter = SuggestUtil.createDefaultReadingConverter(client, settings);
        assertNotNull(converter);
    }

    @Test
    public void testCreateDefaultContentsReadingConverter() {
        // Test creating default contents reading converter

The **Advanced User Guide** builds on this one, uses the same concepts, and teaches you some extra features.

But you should first read the **Tutorial - User Guide** (what you are reading right now).