dtw.webmail.util
Class UIDGenerator

java.lang.Object
  |
  +--dtw.webmail.util.UIDGenerator

public class UIDGenerator

extends java.lang.Object

Utility class exposing a method that will return a unique identifier.

Version:

0.9.7 07/02/2003

Author:

Dieter Wimberger

Field Summary

static java.lang.String	HOTBITS_URL
static int	RANDOM_PADDING
static int	RANDOM_RESEED
static int	RANDOM_SEED_LENGTH

Constructor Summary

UIDGenerator()

Method Summary

static java.lang.String	getUID() Returns a UID (unique identifier) as String.
static void	main(java.lang.String[] args)
static void	seedRandom() If the HotBits Server is available, Random will be seeded with a real random long.

Methods inherited from class java.lang.Object

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

Field Detail

RANDOM_PADDING

public static final int RANDOM_PADDING

See Also:

Constant Field Values

RANDOM_SEED_LENGTH

public static final int RANDOM_SEED_LENGTH

See Also:

Constant Field Values

RANDOM_RESEED

public static final int RANDOM_RESEED

See Also:

Constant Field Values

HOTBITS_URL

public static final java.lang.String HOTBITS_URL

See Also:

Constant Field Values

Constructor Detail

UIDGenerator

public UIDGenerator()

Method Detail

getUID

public static final java.lang.String getUID()

Returns a UID (unique identifier) as String. The identifier represents the MD5 hashed combination of a java.rmi.server.UID instance, a random padding of RANDOM_PADDING length, it's identity hashcode and System.currentTimeMillis().

Returns:

the UID as String.

seedRandom

public static final void seedRandom()

If the HotBits Server is available, Random will be seeded with a real random long.

HotBits is located at Fermilab, Switzerland.

main

public static final void main(java.lang.String[] args)