org.apache.catalina.tribes.util
Class UUIDGenerator

java.lang.Object
  org.apache.catalina.tribes.util.UUIDGenerator

public class UUIDGenerator
extends Object

simple generation of a UUID

Version:

1.0

Author:

Filip Hanik

Field Summary

static int	BITS_PER_BYTE
static int	BYTES_PER_INT
protected static Random	rand
protected static SecureRandom	secrand
protected static StringManager	sm
static int	UUID_LENGTH
static int	UUID_VERSION

Constructor Summary

UUIDGenerator()

Method Summary

static void	nextBytes(byte[] into, int offset, int length, Random r) Same as java.util.Random.nextBytes except this one we dont have to allocate a new byte array
static byte[]	randomUUID(boolean secure)
static byte[]	randomUUID(boolean secure, byte[] into, int offset)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

sm

protected static final StringManager sm

UUID_LENGTH

public static final int UUID_LENGTH

See Also:

Constant Field Values

UUID_VERSION

public static final int UUID_VERSION

See Also:

Constant Field Values

BYTES_PER_INT

public static final int BYTES_PER_INT

See Also:

Constant Field Values

BITS_PER_BYTE

public static final int BITS_PER_BYTE

See Also:

Constant Field Values

secrand

protected static SecureRandom secrand

rand

protected static Random rand

Constructor Detail

UUIDGenerator

public UUIDGenerator()

Method Detail

randomUUID

public static byte[] randomUUID(boolean secure)

randomUUID

public static byte[] randomUUID(boolean secure,
                                byte[] into,
                                int offset)

nextBytes

public static void nextBytes(byte[] into,
                             int offset,
                             int length,
                             Random r)

Same as java.util.Random.nextBytes except this one we dont have to allocate a new byte array

Parameters:

into - byte[]

offset - int

length - int

r - Random