org.kuali.kra.util

Class CollectionUtil

java.lang.Object

org.kuali.kra.util.CollectionUtil

public final class CollectionUtil
extends Object

Yet another collection utility. Contains methods that are not found in the apache util classes or the jdk util classes.

Method Summary

Methods

Modifier and Type	Method and Description
static <T> T	getFromList(int index, List<T> fromList) Gets an element from a list based on the index.
static boolean	validIndexForList(int index, List<?> forList) Checks if a given index is valid for a given list.

Methods inherited from class java.lang.Object

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

Method Detail

validIndexForList

public static boolean validIndexForList(int index,
                        List<?> forList)

Checks if a given index is valid for a given list. This method returns null if the list is null.

Parameters:

index - the index

forList - the list

Returns:

true if a valid index

getFromList

public static <T> T getFromList(int index,
                List<T> fromList)

Gets an element from a list based on the index. If the index is invalid null will be returned.

Type Parameters:

T - the type of List

Parameters:

index - the index

fromList - the list to retrieve from

Returns:

the element