de.gurkenlabs.litiengine.util

Class ArrayUtilities

java.lang.Object

de.gurkenlabs.litiengine.util.ArrayUtilities

public final class ArrayUtilities
extends java.lang.Object

Field Summary

Fields

Modifier and Type	Field and Description
static java.lang.String	DEFAULT_STRING_DELIMITER

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 <T> T[]	arrayCopy(T[] original)
static byte[]	concat(byte[] first, byte[] second) Concatenates the two specified byte arrays to a new array.
static double[]	concat(double[] first, double[] second) Concatenates the two specified double arrays to a new array.
static int[]	concat(int[] first, int[] second) Concatenates the two specified int arrays to a new array.
static long[]	concat(long[] first, long[] second) Concatenates the two specified long arrays to a new array.
static <T> T[]	concat(T[] first, T[] second) Concatenates the two specified double arrays to a new array.
static boolean	contains(java.lang.Object[] arr, java.lang.Object value) Return true if the array contains the specified value.
static boolean	contains(java.lang.String[] arr, java.lang.String argument, boolean ignoreCase) Return true if the array contains the specified string argument.
static <T> T[]	distinct(T[] first, T[] second) Combines the two specified arrays by only keeping distinct values.
static java.lang.String	join(boolean[] arr) Joins the specified array with the DEFAULT_STRING_DELIMITER.
static java.lang.String	join(boolean[] arr, java.lang.String delimiter) Joins the specified array with the defined delimiter.
static java.lang.String	join(byte[] arr) Joins the specified array with the DEFAULT_STRING_DELIMITER.
static java.lang.String	join(byte[] arr, java.lang.String delimiter) Joins the specified array with the defined delimiter.
static java.lang.String	join(java.util.Collection<?> collection) Joins the specified list with the DEFAULT_STRING_DELIMITER.
static java.lang.String	join(java.util.Collection<?> collection, java.lang.String delimiter) Joins the specified collection with the defined delimiter.
static java.lang.String	join(double[] arr) Joins the specified array with the DEFAULT_STRING_DELIMITER.
static java.lang.String	join(double[] arr, java.lang.String delimiter) Joins the specified array with the defined delimiter.
static java.lang.String	join(float[] arr) Joins the specified array with the DEFAULT_STRING_DELIMITER.
static java.lang.String	join(float[] arr, java.lang.String delimiter) Joins the specified array with the defined delimiter.
static java.lang.String	join(int[] arr) Joins the specified array with the DEFAULT_STRING_DELIMITER.
static java.lang.String	join(int[] arr, java.lang.String delimiter) Joins the specified array with the defined delimiter.
static java.lang.String	join(long[] arr) Joins the specified array with the DEFAULT_STRING_DELIMITER.
static java.lang.String	join(long[] arr, java.lang.String delimiter) Joins the specified array with the defined delimiter.
static java.lang.String	join(java.lang.Object[] arr) Joins the specified array with the DEFAULT_STRING_DELIMITER.
static java.lang.String	join(java.lang.Object[] arr, java.lang.String delimiter) Joins the specified array with the defined delimiter.
static java.lang.String	join(short[] arr) Joins the specified array with the DEFAULT_STRING_DELIMITER.
static java.lang.String	join(short[] arr, java.lang.String delimiter)
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 double[]	splitDouble(java.lang.String delimiterSeparatedString) Splits the specified string by the DEFAULT_STRING_DELIMITER into a double array.
static double[]	splitDouble(java.lang.String delimiterSeparatedString, java.lang.String delimiter) Splits the specified string by the defined delimiter into a double array.
static int[]	splitInt(java.lang.String delimiterSeparatedString) Splits the specified string by the DEFAULT_STRING_DELIMITER into an int array.
static int[]	splitInt(java.lang.String delimiterSeparatedString, java.lang.String delimiter) Splits the specified string by the defined delimiter into an int array.
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

Field Detail

DEFAULT_STRING_DELIMITER

public static final java.lang.String DEFAULT_STRING_DELIMITER

See Also:

Constant Field Values

Method Detail

concat

public static byte[] concat(byte[] first,
                            byte[] second)

Concatenates the two specified byte arrays to a new array.

Parameters:

first - The first array.

second - The second array.

Returns:

A new array with both specified arrays in sequence.

concat

public static int[] concat(int[] first,
                           int[] second)

Concatenates the two specified int arrays to a new array.

Parameters:

first - The first array.

second - The second array.

Returns:

A new array with both specified arrays in sequence.

concat

public static long[] concat(long[] first,
                            long[] second)

Concatenates the two specified long arrays to a new array.

Parameters:

first - The first array.

second - The second array.

Returns:

A new array with both specified arrays in sequence.

concat

public static double[] concat(double[] first,
                              double[] second)

Concatenates the two specified double arrays to a new array.

Parameters:

first - The first array.

second - The second array.

Returns:

A new array with both specified arrays in sequence.

concat

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

Concatenates the two specified double arrays to a new array.

Type Parameters:

T - The type of the array elements.

Parameters:

first - The first array.

second - The second array.

Returns:

A new array with both specified arrays in sequence.

splitInt

public static int[] splitInt(java.lang.String delimiterSeparatedString)

Splits the specified string by the DEFAULT_STRING_DELIMITER into an int array.

Parameters:

delimiterSeparatedString - The string to split.

Returns:

An int array with all separated elements of the specified string.

splitInt

public static int[] splitInt(java.lang.String delimiterSeparatedString,
                             java.lang.String delimiter)

Splits the specified string by the defined delimiter into an int array.

Parameters:

delimiterSeparatedString - The string to split.

delimiter - The delimiter by which to split the elements.

Returns:

An int array with all separated elements of the specified string.

splitDouble

public static double[] splitDouble(java.lang.String delimiterSeparatedString)

Splits the specified string by the DEFAULT_STRING_DELIMITER into a double array.

Parameters:

delimiterSeparatedString - The string to split.

Returns:

An double array with all separated elements of the specified string.

splitDouble

public static double[] splitDouble(java.lang.String delimiterSeparatedString,
                                   java.lang.String delimiter)

Splits the specified string by the defined delimiter into a double array.

Parameters:

delimiterSeparatedString - The string to split.

delimiter - The delimiter by which to split the elements.

Returns:

An double array with all separated elements of the specified string.

join

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

Joins the specified array with the DEFAULT_STRING_DELIMITER.

Parameters:

arr - The array that provides the elements to be joined.

Returns:

A string with all joined elements, separated by the delimiter.

join

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

Joins the specified array with the defined delimiter.

Parameters:

arr - The array that provides the elements to be joined.

delimiter - The delimiter used to separate the elements with.

Returns:

A string with all joined elements, separated by the delimiter.

join

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

Joins the specified array with the DEFAULT_STRING_DELIMITER.

Parameters:

arr - The array that provides the elements to be joined.

Returns:

A string with all joined elements, separated by the delimiter.

join

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

Joins the specified array with the defined delimiter.

Parameters:

arr - The array that provides the elements to be joined.

delimiter - The delimiter used to separate the elements with.

Returns:

A string with all joined elements, separated by the delimiter.

join

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

Joins the specified array with the DEFAULT_STRING_DELIMITER.

Parameters:

arr - The array that provides the elements to be joined.

Returns:

A string with all joined elements, separated by the delimiter.

join

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

Joins the specified array with the defined delimiter.

Parameters:

arr - The array that provides the elements to be joined.

delimiter - The delimiter used to separate the elements with.

Returns:

A string with all joined elements, separated by the delimiter.

join

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

Joins the specified array with the DEFAULT_STRING_DELIMITER.

Parameters:

arr - The array that provides the elements to be joined.

Returns:

A string with all joined elements, separated by the delimiter.

join

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

Joins the specified array with the defined delimiter.

Parameters:

arr - The array that provides the elements to be joined.

delimiter - The delimiter used to separate the elements with.

Returns:

A string with all joined elements, separated by the delimiter.

join

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

Joins the specified array with the DEFAULT_STRING_DELIMITER.

Parameters:

arr - The array that provides the elements to be joined.

Returns:

A string with all joined elements, separated by the delimiter.

join

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

join

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

Joins the specified array with the DEFAULT_STRING_DELIMITER.

Parameters:

arr - The array that provides the elements to be joined.

Returns:

A string with all joined elements, separated by the delimiter.

join

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

Joins the specified array with the defined delimiter.

Parameters:

arr - The array that provides the elements to be joined.

delimiter - The delimiter used to separate the elements with.

Returns:

A string with all joined elements, separated by the delimiter.

join

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

Joins the specified array with the DEFAULT_STRING_DELIMITER.

Parameters:

arr - The array that provides the elements to be joined.

Returns:

A string with all joined elements, separated by the delimiter.

join

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

Joins the specified array with the defined delimiter.

Parameters:

arr - The array that provides the elements to be joined.

delimiter - The delimiter used to separate the elements with.

Returns:

A string with all joined elements, separated by the delimiter.

join

public static java.lang.String join(java.util.Collection<?> collection)

Joins the specified list with the DEFAULT_STRING_DELIMITER.

Parameters:

collection - The list that provides the elements to be joined.

Returns:

A string with all joined elements, separated by the delimiter.

join

public static java.lang.String join(java.util.Collection<?> collection,
                                    java.lang.String delimiter)

Joins the specified collection with the defined delimiter.

Parameters:

collection - The list that provides the elements to be joined.

delimiter - The delimiter used to separate the elements with.

Returns:

A string with all joined elements, separated by the delimiter.

join

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

Joins the specified array with the DEFAULT_STRING_DELIMITER.

Parameters:

arr - The array that provides the elements to be joined.

Returns:

A string with all joined elements, separated by the delimiter.

join

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

Joins the specified array with the defined delimiter.

Parameters:

arr - The array that provides the elements to be joined.

delimiter - The delimiter used to separate the elements with.

Returns:

A string with all joined elements, separated by the delimiter.

toList

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

contains

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

Return true if the array contains the specified value.

Parameters:

arr - The array that is tested for the existence of the element.

value - The element to check for in the array.

Returns:

True if the specified element is in the array; otherwise false.

contains

public static boolean contains(java.lang.String[] arr,
                               java.lang.String argument,
                               boolean ignoreCase)

Return true if the array contains the specified string argument.

Parameters:

arr - The array that is tested for the existence of the argument.

argument - The argument to check for in the array.

ignoreCase - A flag indicating whether the case should be ignored when checking for equality.

Returns:

True if the specified argument is in the array; otherwise false.

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.

arrayCopy

public static <T> T[] arrayCopy(T[] original)

toIntegerArray

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