com.chrisney.enigma.utils

Class Utils

java.lang.Object

com.chrisney.enigma.utils.Utils

public class Utils
extends java.lang.Object

Various helper functions

Constructor Summary

Constructors

Constructor and Description
Utils()

Method Summary

Modifier and Type	Method and Description
static java.io.File	getFileResource(java.lang.String fileName) Return the file path of a resource
static int	getRandomNumberInRange(int min, int max) Generate a random number between a range
static void	insertInArray(java.util.ArrayList arrayList, int index, java.lang.Object value) Insert an Object into an ArrayList at an specific index (without erase the existing one)
static java.lang.String	randomHashKey() Generate random hash key (32 characters)
static java.util.ArrayList	toArrayList(java.lang.Object[] array) Convert a simple array to an ArrayList

Methods inherited from class java.lang.Object

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

Constructor Detail

Utils

public Utils()

Method Detail

getFileResource

public static java.io.File getFileResource(java.lang.String fileName)

Return the file path of a resource

Parameters:

fileName - Name of the resource

Returns:

File path of the resource if exists, otherwise return null

getRandomNumberInRange

public static int getRandomNumberInRange(int min,
                                         int max)

Generate a random number between a range

Parameters:

min - Min value

max - Max value

Returns:

Random value

insertInArray

public static void insertInArray(java.util.ArrayList arrayList,
                                 int index,
                                 java.lang.Object value)

Insert an Object into an ArrayList at an specific index (without erase the existing one)

Parameters:

arrayList - ArrayList to edit

index - Index where insert the new object

value - Object to insert

toArrayList

public static java.util.ArrayList toArrayList(java.lang.Object[] array)

Convert a simple array to an ArrayList

Parameters:

array - Simple Array

Returns:

ArrayList

randomHashKey

public static java.lang.String randomHashKey()

Generate random hash key (32 characters)

Returns:

Hash key