com.buabook.common.random

Class RandomCodeGenerator

java.lang.Object

com.buabook.common.random.RandomCodeGenerator

public class RandomCodeGenerator
extends Object

Random Uber-like Code Generator

Generates random code sequences that can be given to users as referral codes for example.

(c) 2016 Sport Trades Ltd

Since:

27 Jul 2016

Version:

1.0.0

Author:

Jas Rajasansir

Field Summary

Fields

Modifier and Type	Field and Description
private SecureRandom	random
private static int	TO_STRING_RADIX

Constructor Summary

Constructors

Constructor and Description
RandomCodeGenerator()

Method Summary

Modifier and Type	Method and Description
String	generateCode(int requiredCodeLength) NOTE: The generated code is not guaranteed to be unique.

Methods inherited from class java.lang.Object

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

Field Detail

TO_STRING_RADIX

private static final int TO_STRING_RADIX

See Also:

Constant Field Values

random

private final SecureRandom random

Constructor Detail

RandomCodeGenerator

public RandomCodeGenerator()

Method Detail

generateCode

public String generateCode(int requiredCodeLength)
                    throws IllegalArgumentException

NOTE: The generated code is not guaranteed to be unique. You should validate it with other generated codes where uniqueness is required before using it.

Parameters:

requiredCodeLength -

Returns:

A random sequence of letters and/or numbers of the specified length

Throws:

IllegalArgumentException - If the specified length is less than or equal to 0