com.commercetools.sync.commons.utils

Class OptionalUtils

java.lang.Object

com.commercetools.sync.commons.utils.OptionalUtils

public final class OptionalUtils
extends java.lang.Object

Method Summary

Modifier and Type	Method and Description
static <T> java.util.List<T>	filterEmptyOptionals(java.util.Collection<java.util.Optional<T>> optionals) Takes a Collection of Optionals containing some elements of type T, this method filters out any empty Optional and returns a new list containing the values of the non-empty optionals.
static <T> java.util.List<T>	filterEmptyOptionals(java.util.Optional<T>... optionals) Takes zero or more Optionals containing some elements of type T, this method filters out any empty Optional and returns a new list containing the values of the non-empty optionals.

Methods inherited from class java.lang.Object

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

Method Detail

filterEmptyOptionals

@Nonnull
public static <T> java.util.List<T> filterEmptyOptionals(@Nonnull
                                                                  java.util.Collection<java.util.Optional<T>> optionals)

Takes a Collection of Optionals containing some elements of type T, this method filters out any empty Optional and returns a new list containing the values of the non-empty optionals.

Type Parameters:

T - The type of the elements in the Optionals in the supplied collection optionals.

Parameters:

optionals - the collection of optionals that should be filtered out of empty optionals.

Returns:

a new list containing the values of the non-empty optionals from the supplied optionals collection.

filterEmptyOptionals

@Nonnull
 @SafeVarargs
public static <T> java.util.List<T> filterEmptyOptionals(@Nonnull
                                                                                java.util.Optional<T>... optionals)

Takes zero or more Optionals containing some elements of type T, this method filters out any empty Optional and returns a new list containing the values of the non-empty optionals.

Type Parameters:

T - The type of the elements in the Optionals in the supplied collection optionals.

Parameters:

optionals - zero or more optionals that should be filtered out of empty optionals.

Returns:

a new list containing the values of the non-empty optionals from the supplied optionals.