org.astrogrid.samp.hub

Class KeyGenerator

java.lang.Object

org.astrogrid.samp.hub.KeyGenerator

public class KeyGenerator
extends Object

Object which can generate a sequence of private keys. The values returned by the next() method should in general not be easy to guess.

Since:

26 Oct 2010

Author:

Mark Taylor

Constructor Summary

Constructors

Constructor and Description
KeyGenerator(String prefix, int nchar, Random random) Constructor.

Method Summary

Modifier and Type	Method and Description
static Random	createRandom() Returns a new, randomly seeded, Random object.
String	next() Returns the next key in the sequence.

Methods inherited from class java.lang.Object

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

Constructor Detail

KeyGenerator

public KeyGenerator(String prefix,
                    int nchar,
                    Random random)

Constructor.

Parameters:

prefix - prefix prepended to all generated keys

nchar - number of characters in generated keys

random - random number generator

Method Detail

next

public String next()

Returns the next key in the sequence. Guaranteed different from any previous return value from this method.

Returns:

key string

createRandom

public static Random createRandom()

Returns a new, randomly seeded, Random object.

Returns:

random