org.apache.catalina.tribes.util

Class UUIDGenerator

java.lang.Object

org.apache.catalina.tribes.util.UUIDGenerator

public class UUIDGenerator
extends java.lang.Object

Smple generation of a UUID.

Field Summary

Fields

Modifier and Type	Field and Description
static int	BITS_PER_BYTE
static int	BYTES_PER_INT
protected static java.util.Random	rand
protected static java.security.SecureRandom	secrand
protected static StringManager	sm
static int	UUID_LENGTH
static int	UUID_VERSION

Constructor Summary

Constructors

Constructor and Description
UUIDGenerator()

Method Summary

Modifier and Type	Method and Description
static void	nextBytes(byte[] into, int offset, int length, java.util.Random r) Same as java.util.Random.nextBytes except this one we don't 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 final java.security.SecureRandom secrand

rand

protected static final java.util.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,
                             java.util.Random r)

Same as java.util.Random.nextBytes except this one we don't have to allocate a new byte array

Parameters:

into - byte[]

offset - int

length - int

r - Random