de.gurkenlabs.litiengine.util

Class ArrayUtilities

java.lang.Object

de.gurkenlabs.litiengine.util.ArrayUtilities

public final class ArrayUtilities
extends java.lang.Object

Method Summary

Modifier and Type	Method and Description
static <T> T[]	append(T[] input, T addItem) Adds the specified item to the input array and returns a new array instance with the length of the input array +1.
static byte[]	arrayConcat(byte[] firstArray, byte[] secondArray)
static boolean	contains(java.lang.Object[] arr, java.lang.Object value)
static boolean	containsArgument(java.lang.String[] args, java.lang.String argument)
static <T> T[]	distinct(T[] first, T[] second) Combines the two specified arrays by only keeping distinct values.
static double[]	getDoubleArray(java.lang.String commaSeperatedString)
static int[]	getIntegerArray(java.lang.String commaSeperatedString)
static <T> T	getRandom(T[] arr)
static <T> T	getRandom(T[] arr, java.util.Random rand)
static java.lang.String	join(boolean[] arr)
static java.lang.String	join(boolean[] arr, java.lang.String separator)
static java.lang.String	join(byte[] arr)
static java.lang.String	join(byte[] arr, java.lang.String separator)
static java.lang.String	join(double[] arr)
static java.lang.String	join(double[] arr, java.lang.String separator)
static java.lang.String	join(float[] arr)
static java.lang.String	join(float[] arr, java.lang.String separator)
static java.lang.String	join(int[] arr)
static java.lang.String	join(int[] arr, java.lang.String separator)
static java.lang.String	join(java.util.List<?> list)
static java.lang.String	join(java.util.List<?> list, java.lang.String separator)
static java.lang.String	join(long[] arr)
static java.lang.String	join(long[] arr, java.lang.String separator)
static java.lang.String	join(java.lang.Object[] arr)
static java.lang.String	join(java.lang.Object[] arr, java.lang.String separator)
static java.lang.String	join(short[] arr)
static java.lang.String	join(short[] arr, java.lang.String separator)
static <T> T[]	remove(T[] input, T deleteItem) Removes the specified deleteItem from the input array and returns a trimmed new array instance without null entries.
static void	shuffle(java.lang.Object[] arr)
static void	shuffle(java.lang.Object[] arr, java.util.Random rand)
static int[]	toIntegerArray(java.util.List<java.lang.Integer> intList)
static <T> java.util.List<T>	toList(T[][] arr)

Methods inherited from class java.lang.Object

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

Method Detail

arrayConcat

public static byte[] arrayConcat(byte[] firstArray,
                                 byte[] secondArray)

getIntegerArray

public static int[] getIntegerArray(java.lang.String commaSeperatedString)

getDoubleArray

public static double[] getDoubleArray(java.lang.String commaSeperatedString)

join

public static java.lang.String join(boolean[] arr)

join

public static java.lang.String join(boolean[] arr,
                                    java.lang.String separator)

join

public static java.lang.String join(int[] arr)

join

public static java.lang.String join(int[] arr,
                                    java.lang.String separator)

join

public static java.lang.String join(double[] arr)

join

public static java.lang.String join(double[] arr,
                                    java.lang.String separator)

join

public static java.lang.String join(float[] arr)

join

public static java.lang.String join(float[] arr,
                                    java.lang.String separator)

join

public static java.lang.String join(short[] arr)

join

public static java.lang.String join(short[] arr,
                                    java.lang.String separator)

join

public static java.lang.String join(long[] arr)

join

public static java.lang.String join(long[] arr,
                                    java.lang.String separator)

join

public static java.lang.String join(byte[] arr)

join

public static java.lang.String join(byte[] arr,
                                    java.lang.String separator)

join

public static java.lang.String join(java.util.List<?> list)

join

public static java.lang.String join(java.util.List<?> list,
                                    java.lang.String separator)

join

public static java.lang.String join(java.lang.Object[] arr)

join

public static java.lang.String join(java.lang.Object[] arr,
                                    java.lang.String separator)

toList

public static <T> java.util.List<T> toList(T[][] arr)

getRandom

public static <T> T getRandom(T[] arr)

getRandom

public static <T> T getRandom(T[] arr,
                              java.util.Random rand)

shuffle

public static void shuffle(java.lang.Object[] arr)

shuffle

public static void shuffle(java.lang.Object[] arr,
                           java.util.Random rand)

contains

public static boolean contains(java.lang.Object[] arr,
                               java.lang.Object value)

containsArgument

public static boolean containsArgument(java.lang.String[] args,
                                       java.lang.String argument)

remove

public static <T> T[] remove(T[] input,
                             T deleteItem)

Removes the specified deleteItem from the input array and returns a trimmed new array instance without null entries. The resulting array will have a length -1;

Type Parameters:

T - The element type of the array.

Parameters:

input - The original array

deleteItem - The item to delete

Returns:

A new array with the length input.length - 1.

append

public static <T> T[] append(T[] input,
                             T addItem)

Adds the specified item to the input array and returns a new array instance with the length of the input array +1.

Type Parameters:

T - The element type of the array.

Parameters:

input - The original array.

addItem - The item to add.

Returns:

A new array with the item to add appended at the end.

distinct

public static <T> T[] distinct(T[] first,
                               T[] second)

Combines the two specified arrays by only keeping distinct values.

Type Parameters:

T - The element type of the array.

Parameters:

first - The first array.

second - The second array.

Returns:

A new array with every distinct value of the specified arrays.

toIntegerArray

public static int[] toIntegerArray(java.util.List<java.lang.Integer> intList)