Module org.glassfish.grizzly
Package org.glassfish.grizzly.utils

Class ArrayUtils

java.lang.Object
org.glassfish.grizzly.utils.ArrayUtils
public final class ArrayUtils extends Object
Set of utility methods to work with Arrays.
Author:
Alexey Stashok

  • Constructor Summary

    Constructors
    Constructor
    Description
    ArrayUtils()
     

  • Method Summary

    Modifier and Type
    Method
    Description
    static <T> T[]
    addUnique(T[] array, T element)
    Add unique element to the array.
    static <T> T[]
    addUnique(T[] array, T element, boolean replaceElementIfEquals)
    Add unique element to the array.
    static int
    binarySearch(int[] a, int fromIndex, int toIndex, int key)
     
    static <T> int
    indexOf(T[] array, Object element)
    Return the element index in the array.
    static <T> T[]
    remove(T[] array, Object element)
    Removes the element from the array.

    Methods inherited from class java.lang.Object

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

  • Constructor Details

    • ArrayUtils

      public ArrayUtils()

  • Method Details

    • binarySearch

      public static int binarySearch(int[] a, int fromIndex, int toIndex, int key)

    • addUnique

      public static <T> T[] addUnique(T[] array, T element)
      Add unique element to the array.
      Type Parameters:
      T - type of the array element
      Parameters:
      array - array
      element - element to add
      Returns:
      array, which will contain the new element. Either new array instance, if passed array didn't contain the element, or the same array instance, if the element is already present in the array.

    • addUnique

      public static <T> T[] addUnique(T[] array, T element, boolean replaceElementIfEquals)
      Add unique element to the array.
      Type Parameters:
      T - type of the array element
      Parameters:
      array - array
      element - element to add
      replaceElementIfEquals - if passed element is equal to some element in the array then depending on this parameter it will be replaced or not with the passed element.
      Returns:
      array, which will contain the new element. Either new array instance, if passed array didn't contain the element, or the same array instance, if the element is already present in the array.

    • remove

      public static <T> T[] remove(T[] array, Object element)
      Removes the element from the array.
      Type Parameters:
      T - type of the array element
      Parameters:
      array - array
      element - the element to remove
      Returns:
      array, which won't contain the element. Either new array instance, if passed array contains the element, or the same array instance, if the element wasn't present in the array. null will be returned if the last element was removed from the passed array.

    • indexOf

      public static <T> int indexOf(T[] array, Object element)
      Return the element index in the array.
      Type Parameters:
      T - type of the array element
      Parameters:
      array - array
      element - the element to look for.
      Returns:
      element's index, or -1 if element wasn't found.