org.unitils.util

Class CollectionUtils

java.lang.Object

org.unitils.util.CollectionUtils

public class CollectionUtils
extends Object

Class containing collection related utilities

Author:

Filip Neven, Tim Ducheyne

Constructor Summary

Constructors

Constructor and Description
CollectionUtils()

Method Summary

Methods

Modifier and Type	Method and Description
static <T> Set<T>	asSet(T... elements) Converts the given array of elements to a set.
static Collection<?>	convertToCollection(Object object) Converts the given array or collection object (possibly primitive array) to type Collection
static Object[]	convertToObjectArray(Object object) Converts the given array object (possibly primitive array) to type Object[]
static <T> List<T>	subList(List<T> list, int fromIndex, int toIndex) Gets a list containing all elements from the given index to the given index.

Methods inherited from class java.lang.Object

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

Constructor Detail

CollectionUtils

public CollectionUtils()

Method Detail

subList

public static <T> List<T> subList(List<T> list,
                  int fromIndex,
                  int toIndex)

Gets a list containing all elements from the given index to the given index.

Parameters:

list - The original list

fromIndex - The from index

toIndex - The to index

Returns:

The sub-list, not null

asSet

public static <T> Set<T> asSet(T... elements)

Converts the given array of elements to a set.

Parameters:

elements - The elements

Returns:

The elements as a set, empty if elements was null

convertToCollection

public static Collection<?> convertToCollection(Object object)

Converts the given array or collection object (possibly primitive array) to type Collection

Parameters:

object - The array or collection

Returns:

The object collection

convertToObjectArray

public static Object[] convertToObjectArray(Object object)

Converts the given array object (possibly primitive array) to type Object[]

Parameters:

object - The array

Returns:

The object array