Package de.xima.fc.utils

Class IterableUtils

java.lang.Object

de.xima.fc.utils.IterableUtils

public final class IterableUtils
extends Object

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static interface	IterableUtils.Indexed<T>	Represents an item with an index.

Constructor Summary

Constructors

Constructor	Description
IterableUtils()

Method Summary

Modifier and Type	Method	Description
static <T> T	firstOrNull(Iterable<T> iterable)	Similar to the first method from Apache Commons, but returns null instead of throwing if the iterable is empty.
static <T> Iterable<IterableUtils.Indexed<T>>	withIndex(Iterable<T> iterable)

Methods inherited from class java.lang.Object

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

Constructor Detail

IterableUtils

public IterableUtils()

Method Detail

withIndex

public static <T> Iterable<IterableUtils.Indexed<T>> withIndex(Iterable<T> iterable)

firstOrNull

public static <T> T firstOrNull(Iterable<T> iterable)

Similar to the first method from Apache Commons, but returns null instead of throwing if the iterable is empty.

Type Parameters:

T - Type of the items in the iterable.

Parameters:

iterable - Iterable to process.

Returns:

The first item in the iterable, or null if either the iterable is null or it contains no items.