com.vladmihalcea.hibernate.type.array.internal
Class ArrayUtil

java.lang.Object
  com.vladmihalcea.hibernate.type.array.internal.ArrayUtil

public class ArrayUtil
extends Object

ArrayUtil - Array utilities holder.

Author:

Vlad Mihalcea

Constructor Summary

ArrayUtil()

Method Summary

static <T> List<T>	asList(T[] array) Transforms an array to a List.
static <T> T	deepCopy(Object originalArray) Clone an array.
static <T> T	fromString(String string, Class<T> arrayClass) Create array from its String representation.
static boolean	isEquals(Object firstArray, Object secondArray) Check if two arrays are equal.
static <T> Class<T[]>	toArrayClass(Class<T> arrayElementClass) Get the array class for the provided array element class.
static <T> T	unwrapArray(Object[] originalArray, Class<T> arrayClass) Unwarp Object[] array to an array of the provided type
static Object[]	wrapArray(Object originalArray) Wrap a given array so that primitives become wrapper objects.

Methods inherited from class java.lang.Object

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

Constructor Detail

ArrayUtil

public ArrayUtil()

Method Detail

deepCopy

public static <T> T deepCopy(Object originalArray)

Clone an array.

Type Parameters:

T - array element type

Parameters:

originalArray - original array

Returns:

cloned array

wrapArray

public static Object[] wrapArray(Object originalArray)

Wrap a given array so that primitives become wrapper objects.

Parameters:

originalArray - original array

Returns:

wrapped array

unwrapArray

public static <T> T unwrapArray(Object[] originalArray,
                                Class<T> arrayClass)

Unwarp Object[] array to an array of the provided type

Type Parameters:

T - array element type

Parameters:

originalArray - original array

arrayClass - array class

Returns:

unwrapped array

fromString

public static <T> T fromString(String string,
                               Class<T> arrayClass)

Create array from its String representation.

Type Parameters:

T - array element type

Parameters:

string - string representation

arrayClass - array class

Returns:

array

isEquals

public static boolean isEquals(Object firstArray,
                               Object secondArray)

Check if two arrays are equal.

Parameters:

firstArray - first array

secondArray - second array

Returns:

arrays are equal

toArrayClass

public static <T> Class<T[]> toArrayClass(Class<T> arrayElementClass)

Get the array class for the provided array element class.

Type Parameters:

T - array element type

Parameters:

arrayElementClass - array element class

Returns:

array class

asList

public static <T> List<T> asList(T[] array)

Transforms an array to a List. The reason why Arrays.asList(Object[]) is not used is because on Java 6 it wraps the List so we end up with two nested List objects.

Type Parameters:

T - array element type

Parameters:

array - array to transform

Returns:

the List representation of the array