*/
    protected static Calendar toCalendar(final Date date, final Locale locale) {
        final Calendar calendar;
        if (locale == null) {
            calendar = Calendar.getInstance();
        } else {
            calendar = Calendar.getInstance(locale);
        }
        calendar.setTime(date);
        return calendar;
    }

    /**
     * Converts a string to a {@link java.sql.Date}.
     *

    //                                                                             =======
    @Override
    public UserInfoDbm asDBMeta() {
        return UserInfoDbm.getInstance();
    }

    @Override
    public String asTableDbName() {
        return "user_info";
    }

    @Override
    public boolean hasSpecifiedColumn() {
        return _specification != null;
    }

    //                                                                             =======
    @Override
    public GroupDbm asDBMeta() {
        return GroupDbm.getInstance();
    }

    @Override
    public String asTableDbName() {
        return "group";
    }

    @Override
    public boolean hasSpecifiedColumn() {
        return _specification != null;
    }

    private static final DuplicateHostDbm _instance = new DuplicateHostDbm();

    private DuplicateHostDbm() {
    }

    public static DuplicateHostDbm getInstance() {
        return _instance;
    }

    // ===================================================================================
    //                                                                       Current DBDef

    private static final RelatedQueryDbm _instance = new RelatedQueryDbm();

    private RelatedQueryDbm() {
    }

    public static RelatedQueryDbm getInstance() {
        return _instance;
    }

    // ===================================================================================
    //                                                                       Current DBDef

    private static final RoleTypeDbm _instance = new RoleTypeDbm();

    private RoleTypeDbm() {
    }

    public static RoleTypeDbm getInstance() {
        return _instance;
    }

    // ===================================================================================
    //                                                                       Current DBDef

## Quick Start

### Basic Usage

```java
import jcifs.CIFSContext;
import jcifs.context.SingletonContext;
import jcifs.smb.SmbFile;

// Using default context
CIFSContext context = SingletonContext.getInstance();

// Access a file (encryption is transparent - automatically used if server requires it)
try (SmbFile file = new SmbFile("smb://server/share/file.txt", context)) {
    if (file.exists()) {

    private static final int SSN_SRVC_PORT = 139;
    private static final int BUFFER_SIZE = 512;
    private static final int DEFAULT_SO_TIMEOUT = 5000;

    private static LogStream log = LogStream.getInstance();

    private NbtAddress address;
    private Name calledName;
    private int soTimeout;

    /**
     * Constructs an unconnected NbtSocket.
     */
    public NbtSocket() {
    }

    /**

        new SecureRandom().nextBytes(iv);

        // When
        SecretKeySpec keySpec = new SecretKeySpec(key, "AES");
        IvParameterSpec ivSpec = new IvParameterSpec(iv);

        Cipher cipher = Cipher.getInstance("AES/CBC/PKCS5Padding");
        cipher.init(Cipher.ENCRYPT_MODE, keySpec, ivSpec);
        byte[] encrypted = cipher.doFinal(plaintext);

        cipher.init(Cipher.DECRYPT_MODE, keySpec, ivSpec);

    //                                                                             =======
    @Override
    public FailureUrlDbm asDBMeta() {
        return FailureUrlDbm.getInstance();
    }

    @Override
    public String asTableDbName() {
        return "failure_url";
    }

    // ===================================================================================