org.entityfs.support.lang
Class ArrayUtil

java.lang.Object
  org.entityfs.support.lang.ArrayUtil

public final class ArrayUtil
extends Object

This class contains static utility methods for working with arrays.

Since:

1.0

Author:

Karl Gustafsson

Method Summary

static <T> T[]

filterArray(T[] arr, ArrayFilter<T> f) Filter and possibly transform the elements in arr and return them in a new array.

Methods inherited from class java.lang.Object

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

Method Detail

filterArray

public static <T> T[] filterArray(T[] arr,
                                  ArrayFilter<T> f)
                       throws NullPointerException

Filter and possibly transform the elements in arr and return them in a new array.

Type Parameters:

T - The type of elements in the array.

Parameters:

arr - The array to filter.

f - The filter to apply. The filter may also transform the array values.

Returns:

The target array, containing transformed elements that passed the filter.

Throws:

NullPointerException - If any of the arguments are null.