* Open for reading only.
     */
    int O_RDONLY = 0x01;
    /**
     * Open for writing only.
     */
    int O_WRONLY = 0x02;
    /**
     * Open for reading and writing.
     */
    int O_RDWR = 0x03;
    /**
     * Open in append mode.
     */
    int O_APPEND = 0x04;

    // Open Function Encoding
    /**
     * Create file if it does not exist.
     */
    int O_CREAT = 0x0010;

        try (SmbTreeHandleImpl th = ensureTreeConnected()) {

            if (th.isSMB2()) {
                withOpen(th, Smb2CreateRequest.FILE_OPEN_IF, O_RDWR, 0, null);
            } else {
                try (SmbFileHandle fd = openUnshared(O_RDWR | O_CREAT | O_EXCL, O_RDWR, FILE_NO_SHARE, ATTR_NORMAL, 0)) {
                    // close explicitly
                    fd.close(0L);
                }
            }

 *
 * @see       java.io.File
 */

public class SmbFile extends URLConnection implements SmbConstants {

    static final int O_RDONLY = 0x01;
    static final int O_WRONLY = 0x02;
    static final int O_RDWR = 0x03;
    static final int O_APPEND = 0x04;

    // Open Function Encoding
    // create if the file does not exist
    static final int O_CREAT = 0x0010;
    // fail if the file exists