com.sdl.delivery.configuration.utils

Class CollectionUtil

java.lang.Object

com.sdl.delivery.configuration.utils.CollectionUtil

public class CollectionUtil
extends Object

Collection Util helper class - Google Guava's twin.

Constructor Summary

Constructors

Constructor and Description
CollectionUtil()

Method Summary

Modifier and Type	Method and Description
static <T> boolean	addAll(Collection<T> addTo, Iterable<? extends T> elementsToAdd) Adds all elements in iterable to collection.
static <T> T	getFirst(Iterable<? extends T> iterable, T defaultValue) Returns the first element in iterable or defaultValue.
static <T> T	getLast(Iterator<? extends T> iterator, T defaultValue) Return the last element in iterable or defaultValue.
static boolean	intersectIgnoreCase(Collection<String> collection1, Collection<String> collection2) Return true if two string collections intersect ignoring the casing of the elements, false otherwise.

Methods inherited from class java.lang.Object

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

Constructor Detail

CollectionUtil

public CollectionUtil()

Method Detail

addAll

public static <T> boolean addAll(Collection<T> addTo,
                                 Iterable<? extends T> elementsToAdd)

Adds all elements in iterable to collection.

Returns:

true if collection was modified as a result of this operation.

getFirst

public static <T> T getFirst(Iterable<? extends T> iterable,
                             T defaultValue)

Returns the first element in iterable or defaultValue.

Parameters:

defaultValue - the default value to return if the iterable is empty

Returns:

the first element of iterable or the default value

Since:

7.0

getLast

public static <T> T getLast(Iterator<? extends T> iterator,
                            T defaultValue)

Return the last element in iterable or defaultValue.

Type Parameters:

T - the collection's elements type

Parameters:

iterator - the iterator to iterate on

defaultValue - the default value to return if the iterable is empty

Returns:

the first element of iterable or the default value

intersectIgnoreCase

public static boolean intersectIgnoreCase(Collection<String> collection1,
                                          Collection<String> collection2)

Return true if two string collections intersect ignoring the casing of the elements, false otherwise.

Parameters:

collection1 - First collection

collection2 - Second collection

Returns:

true if two string collections intersect ignoring the casing of the elements, false otherwise.