Example usage for java.util UUID UUID

Introduction

In this page you can find the example usage for java.util UUID UUID.

Prototype

public UUID(long mostSigBits, long leastSigBits) 

Source Link

Document

Constructs a new UUID using the specified data.

Usage

From source file:Main.java

/**
 * Return pseudo unique ID/*from  www  .j a v  a2 s  .c  o m*/
 * @return ID
 */
public static String getUniquePsuedoID() {
    // If all else fails, if the user does have lower than API 9 (lower
    // than Gingerbread), has reset their phone or 'Secure.ANDROID_ID'
    // returns 'null', then simply the ID returned will be solely based
    // off their Android device information. This is where the collisions
    // can happen.
    // Thanks http://www.pocketmagic.net/?p=1662!
    // Try not to use DISPLAY, HOST or ID - these items could change.
    // If there are collisions, there will be overlapping data
    String m_szDevIDShort = "35" + (Build.BOARD.length() % 10) + (Build.BRAND.length() % 10)
            + (Build.CPU_ABI.length() % 10) + (Build.DEVICE.length() % 10) + (Build.MANUFACTURER.length() % 10)
            + (Build.MODEL.length() % 10) + (Build.PRODUCT.length() % 10);

    // Thanks to @Roman SL!
    // http://stackoverflow.com/a/4789483/950427
    // Only devices with API >= 9 have android.os.Build.SERIAL
    // http://developer.android.com/reference/android/os/Build.html#SERIAL
    // If a user upgrades software or roots their phone, there will be a duplicate entry
    String serial = null;
    try {
        serial = android.os.Build.class.getField("SERIAL").get(null).toString();

        // Go ahead and return the serial for api => 9
        return new UUID(m_szDevIDShort.hashCode(), serial.hashCode()).toString();
    } catch (Exception e) {
        // String needs to be initialized
        serial = "serial"; // some value
    }

    // Thanks @Joe!
    // http://stackoverflow.com/a/2853253/950427
    // Finally, combine the values we have found by using the UUID class to create a unique identifier
    return new UUID(m_szDevIDShort.hashCode(), serial.hashCode()).toString();
}

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From source file:Main.java

/**
 * this generate the device Id//from w  w w .  j a  va 2 s  . c om
 *
 * @param baseContext
 * @param contentResolver
 * @return
 */
//http://stackoverflow.com/questions/2785485/is-there-a-unique-android-device-id
public static String generateDeviceId(Context baseContext, ContentResolver contentResolver) {

    final TelephonyManager tm = (TelephonyManager) baseContext.getSystemService(Context.TELEPHONY_SERVICE);

    final String tmDevice, tmSerial, androidId;
    tmDevice = String.valueOf(tm.getDeviceId());
    tmSerial = String.valueOf(tm.getSimSerialNumber());
    androidId = String.valueOf(android.provider.Settings.Secure.getString(contentResolver,
            android.provider.Settings.Secure.ANDROID_ID));

    UUID deviceUuid = new UUID(androidId.hashCode(), ((long) tmDevice.hashCode() << 32) | tmSerial.hashCode());
    return deviceUuid.toString();

}

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From source file:Main.java

/**
 * Return pseudo unique ID/*from   w  w w  .  j  ava  2 s. c om*/
 * 
 * @return ID
 */
public static String getUniquePsuedoID() {
    // If all else fails, if the user does have lower than API 9 (lower
    // than Gingerbread), has reset their phone or 'Secure.ANDROID_ID'
    // returns 'null', then simply the ID returned will be solely based
    // off their Android device information. This is where the collisions
    // can happen.
    // Thanks http://www.pocketmagic.net/?p=1662!
    // Try not to use DISPLAY, HOST or ID - these items could change.
    // If there are collisions, there will be overlapping data
    String m_szDevIDShort = "35" + (Build.BOARD.length() % 10) + (Build.BRAND.length() % 10)
            + (Build.CPU_ABI.length() % 10) + (Build.DEVICE.length() % 10) + (Build.MANUFACTURER.length() % 10)
            + (Build.MODEL.length() % 10) + (Build.PRODUCT.length() % 10);

    // Thanks to @Roman SL!
    // http://stackoverflow.com/a/4789483/950427
    // Only devices with API >= 9 have android.os.Build.SERIAL
    // http://developer.android.com/reference/android/os/Build.html#SERIAL
    // If a user upgrades software or roots their phone, there will be a
    // duplicate entry
    String serial = null;
    try {
        serial = android.os.Build.class.getField("SERIAL").get(null).toString();

        // Go ahead and return the serial for api => 9
        return new UUID(m_szDevIDShort.hashCode(), serial.hashCode()).toString();
    } catch (Exception e) {
        // String needs to be initialized
        serial = "serial"; // some value
    }

    // Thanks @Joe!
    // http://stackoverflow.com/a/2853253/950427
    // Finally, combine the values we have found by using the UUID class to
    // create a unique identifier
    return new UUID(m_szDevIDShort.hashCode(), serial.hashCode()).toString();
}

---

From source file:Main.java

private static String getDeviceId(Context context) {
    TelephonyManager tm = (TelephonyManager) context.getSystemService(Context.TELEPHONY_SERVICE);
    String tmDevice = null;/* w  w w  . j  a  va2  s. c o m*/
    String tmSerial = null;
    String androidId = null;
    try {
        tmDevice = tm.getDeviceId();
    } catch (Exception e) {
        Log.w(LOG_TAG, e);
    }
    try {
        tmSerial = tm.getSimSerialNumber();
    } catch (Exception e) {
        Log.w(LOG_TAG, e);
    }
    androidId = Secure.getString(context.getContentResolver(), Secure.ANDROID_ID);
    if (tmDevice == null) {
        tmDevice = "";
    }
    if (tmSerial == null) {
        tmSerial = "";
    }
    if (androidId == null) {
        androidId = "";
    }
    UUID deviceUuid = new UUID(androidId.hashCode(), ((long) tmDevice.hashCode() << 32) | tmSerial.hashCode());
    return "lsa-kp" + deviceUuid.toString();
}

---

From source file:org.i3xx.step.mongo.core.util.IdGen.java

/**
 * Gets a 128 bit IdRep from an URL save representation
 * //  w  ww  . j a v  a2 s  .c o m
 * @param urlSave
 * @return The IdRep object
 */
public static final IdRep fromURLSaveString(String urlSave) {

    byte[] bytes = Base64.decodeBase64(urlSave);
    ByteBuffer buffer = ByteBuffer.wrap(bytes);
    UUID uuid = new UUID(buffer.getLong(0), buffer.getLong(8));

    return new JavaIdRep(uuid);
}

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From source file:org.jaggeryjs.hostobjects.uuid.UUIDHostObject.java

public static String generate(Context cx, Scriptable thisObj, Object[] args, Function funObj)
        throws ScriptException {
    String functionName = "generate";
    int argsCount = args.length;
    if (argsCount != 0 && argsCount != 2) {
        HostObjectUtil.invalidNumberOfArgs(MODULE_NAME, functionName, argsCount, true);
    }//w  ww  .  j a v  a 2  s  .  co  m
    if (argsCount == 2) {
        if (!(args[0] instanceof Number)) {
            HostObjectUtil.invalidArgsError(MODULE_NAME, functionName, "1", "number", args[1], true);
        }

        if (!(args[1] instanceof Number)) {
            HostObjectUtil.invalidArgsError(MODULE_NAME, functionName, "2", "number", args[1], true);
        }
        return new UUID(((Number) args[0]).longValue(), ((Number) args[1]).longValue()).toString();
    }
    return UUID.randomUUID().toString();
}

---

From source file:com.njlabs.amrita.aid.util.Identifier.java

@SuppressLint("HardwareIds")
public static String identify(Context context) {
    final TelephonyManager tm = (TelephonyManager) context.getSystemService(Context.TELEPHONY_SERVICE);

    final String tmDevice, tmSerial, androidId;
    tmDevice = "" + tm.getDeviceId();
    tmSerial = "" + tm.getSimSerialNumber();
    androidId = "" + android.provider.Settings.Secure.getString(context.getContentResolver(),
            android.provider.Settings.Secure.ANDROID_ID);

    UUID deviceUuid = new UUID(androidId.hashCode(), ((long) tmDevice.hashCode() << 32) | tmSerial.hashCode());
    return deviceUuid.toString();
}

---

From source file:com.hengyi.japp.tools.UuidUtils.java

public static String decodeBase58Uuid(String base58uuid) {
    byte[] byUuid = Base58.decode(base58uuid);
    ByteBuffer bb = ByteBuffer.wrap(byUuid);
    UUID uuid = new UUID(bb.getLong(), bb.getLong());
    return uuid.toString();
}

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From source file:org.i3xx.step.mongo.core.util.IdGen.java

/**
 * Gets a 128 bit IdRep from a BigInteger
 * /*from   w w  w  .  j  a v a 2  s. co m*/
 * @return The IdRep object
 */
public static final IdRep fromBigInteger(BigInteger ui) {

    UUID uuid = new UUID(ui.shiftRight(64).longValue(), ui.longValue());

    return new JavaIdRep(uuid);
}

---

From source file:Main.java

/**
 * Parse UUID from bytes. The {@code uuidBytes} can represent a 16-bit, 32-bit or 128-bit UUID,
 * but the returned UUID is always in 128-bit format.
 * Note UUID is little endian in Bluetooth.
 *
 * @param uuidBytes Byte representation of uuid.
 * @return {@link ParcelUuid} parsed from bytes.
 * @throws IllegalArgumentException If the {@code uuidBytes} cannot be parsed.
 *//*  ww  w . j a va 2s .  com*/
public static ParcelUuid parseUuidFrom(byte[] uuidBytes) {
    if (uuidBytes == null) {
        throw new IllegalArgumentException("uuidBytes cannot be null");
    }
    int length = uuidBytes.length;
    if (length != UUID_BYTES_16_BIT && length != UUID_BYTES_32_BIT && length != UUID_BYTES_128_BIT) {
        throw new IllegalArgumentException("uuidBytes length invalid - " + length);
    }

    // Construct a 128 bit UUID.
    if (length == UUID_BYTES_128_BIT) {
        ByteBuffer buf = ByteBuffer.wrap(uuidBytes).order(ByteOrder.LITTLE_ENDIAN);
        long msb = buf.getLong(8);
        long lsb = buf.getLong(0);
        return new ParcelUuid(new UUID(msb, lsb));
    }

    // For 16 bit and 32 bit UUID we need to convert them to 128 bit value.
    // 128_bit_value = uuid * 2^96 + BASE_UUID
    long shortUuid;
    if (length == UUID_BYTES_16_BIT) {
        shortUuid = uuidBytes[0] & 0xFF;
        shortUuid += (uuidBytes[1] & 0xFF) << 8;
    } else {
        shortUuid = uuidBytes[0] & 0xFF;
        shortUuid += (uuidBytes[1] & 0xFF) << 8;
        shortUuid += (uuidBytes[2] & 0xFF) << 16;
        shortUuid += (uuidBytes[3] & 0xFF) << 24;
    }
    long msb = BASE_UUID.getUuid().getMostSignificantBits() + (shortUuid << 32);
    long lsb = BASE_UUID.getUuid().getLeastSignificantBits();
    return new ParcelUuid(new UUID(msb, lsb));
}

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