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Collections:
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commons-collections4-4.2-sources.jar - Apache Commons Collections
commons-collections4-4.2-sources.jar is the source JAR file for Apache Commons Collections 4.2, which
provides additional collection handling functionalities on top of JDK library.
JAR File Size and Download Location:
JAR name: commons-collections4-4.2-sources.jar Target JDK version: 1.7 Dependency: None File size: 708,599 bytes Release date: 08-Jul-2018 Download: Apache Commons Collections
✍: FYIcenter.com
⏎ org/apache/commons/collections4/functors/MapTransformer.java
/* * Licensed to the Apache Software Foundation (ASF) under one or more * contributor license agreements. See the NOTICE file distributed with * this work for additional information regarding copyright ownership. * The ASF licenses this file to You under the Apache License, Version 2.0 * (the "License"); you may not use this file except in compliance with * the License. You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ package org.apache.commons.collections4.functors; import java.io.Serializable; import java.util.Map; import org.apache.commons.collections4.Transformer; /** * Transformer implementation that returns the value held in a specified map * using the input parameter as a key. * * @since 3.0 */ public final class MapTransformer<I, O> implements Transformer<I, O>, Serializable { /** Serial version UID */ private static final long serialVersionUID = 862391807045468939L; /** The map of data to lookup in */ private final Map<? super I, ? extends O> iMap; /** * Factory to create the transformer. * <p> * If the map is null, a transformer that always returns null is returned. * * @param <I> the input type * @param <O> the output type * @param map the map, not cloned * @return the transformer */ public static <I, O> Transformer<I, O> mapTransformer(final Map<? super I, ? extends O> map) { if (map == null) { return ConstantTransformer.<I, O>nullTransformer(); } return new MapTransformer<>(map); } /** * Constructor that performs no validation. * Use <code>mapTransformer</code> if you want that. * * @param map the map to use for lookup, not cloned */ private MapTransformer(final Map<? super I, ? extends O> map) { super(); iMap = map; } /** * Transforms the input to result by looking it up in a <code>Map</code>. * * @param input the input object to transform * @return the transformed result */ @Override public O transform(final I input) { return iMap.get(input); } /** * Gets the map to lookup in. * * @return the map * @since 3.1 */ public Map<? super I, ? extends O> getMap() { return iMap; } }
⏎ org/apache/commons/collections4/functors/MapTransformer.java
Or download all of them as a single archive file:
File name: commons-collections4-4.2-sources.jar File size: 708599 bytes Release date: 2018-07-08 Download
⇒ Download and Install commons-collections4-4.1-bin.zip
⇐ What Is commons-collections4-4.2.jar
2023-03-28, 5991👍, 0💬
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