/* * The MIT License (MIT) * * Copyright (c) 2017-2020 Yegor Bugayenko * * Permission is hereby granted, free of charge, to any person obtaining a copy * of this software and associated documentation files (the "Software"), to deal * in the Software without restriction, including without limitation the rights * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell * copies of the Software, and to permit persons to whom the Software is * furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included * in all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE * SOFTWARE. */ package org.cactoos.iterable; import org.cactoos.Func; /** * Filtered iterable. * * <p>You can use it in order to create a declarative/lazy * version of a filtered collection/iterable. For example, * this code will create a list of two strings "hello" and "world":</p> * * <pre> Iterable<String> list = new Filtered<>( * new ArrayOf<>( * "hey", "hello", "world" * ), * input -> input.length() > 4 * ); * </pre> * * <p>There is no thread-safety guarantee. * * @param <X> Type of item * @see Filtered * @since 0.1 */ public final class Filtered<X> extends IterableEnvelope<X> { /** * Ctor. * @param fnc Predicate * @param src Source iterable * @since 0.21 */ @SafeVarargs public Filtered(final Func<X, Boolean> fnc, final X... src) { this(fnc, new IterableOf<>(src)); } /** * Ctor. * @param fnc Predicate * @param src Source iterable */ public Filtered(final Func<X, Boolean> fnc, final Iterable<X> src) { super( new IterableOf<>( () -> new org.cactoos.iterator.Filtered<>(fnc, src.iterator()) ) ); } }