org.jsecurity.util
Class CollectionUtils

java.lang.Object
  org.jsecurity.util.CollectionUtils

public class CollectionUtils
extends Object

Static helper class for use dealing with Arrays.

Since:

0.9

Author:

Jeremy Haile, Les Hazlewood

Constructor Summary

CollectionUtils()

Method Summary

static <E> List<E>	asList(E... elements)
static <E> Set<E>	asSet(E... elements)
(package private) static int	computeListCapacity(int arraySize)
static <E> Collection<E>	emptyCollection(Class<E> clazz) Simple method that just returns Collections.EMPTY_SET.

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

emptyCollection

public static <E> Collection<E> emptyCollection(Class<E> clazz)

Simple method that just returns Collections.EMPTY_SET. This exists to enable type-safe empty collections so other locations in JSecurity code do not need to worry about suppressing warnings.

Parameters:

clazz - the class of the collection type to return

Returns:

an empty collection

asSet

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

asList

public static <E> List<E> asList(E... elements)

computeListCapacity

static int computeListCapacity(int arraySize)