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commons-collections4-4.4-sources.jar - Apache Commons Collections
commons-collections4-4.4-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-collections4-4.4-sources.jar Target JDK version: 8 Dependency: None File size: 715,541 bytes Release date: 05-Jul-2019 Download: Apache Commons Collections
✍: FYIcenter.com
⏎ org/apache/commons/collections4/list/TransformedList.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.list; import java.util.Collection; import java.util.List; import java.util.ListIterator; import org.apache.commons.collections4.Transformer; import org.apache.commons.collections4.collection.TransformedCollection; import org.apache.commons.collections4.iterators.AbstractListIteratorDecorator; /** * Decorates another <code>List</code> to transform objects that are added. * <p> * The add and set methods are affected by this class. * Thus objects must be removed or searched for using their transformed form. * For example, if the transformation converts Strings to Integers, you must * use the Integer form to remove objects. * </p> * <p> * This class is Serializable from Commons Collections 3.1. * </p> * * @since 3.0 */ public class TransformedList<E> extends TransformedCollection<E> implements List<E> { /** Serialization version */ private static final long serialVersionUID = 1077193035000013141L; /** * Factory method to create a transforming list. * <p> * If there are any elements already in the list being decorated, they * are NOT transformed. * Contrast this with {@link #transformedList(List, Transformer)}. * * @param <E> the type of the elements in the list * @param list the list to decorate, must not be null * @param transformer the transformer to use for conversion, must not be null * @return a new transformed list * @throws NullPointerException if list or transformer is null * @since 4.0 */ public static <E> TransformedList<E> transformingList(final List<E> list, final Transformer<? super E, ? extends E> transformer) { return new TransformedList<>(list, transformer); } /** * Factory method to create a transforming list that will transform * existing contents of the specified list. * <p> * If there are any elements already in the list being decorated, they * will be transformed by this method. * Contrast this with {@link #transformingList(List, Transformer)}. * * @param <E> the type of the elements in the list * @param list the list to decorate, must not be null * @param transformer the transformer to use for conversion, must not be null * @return a new transformed List * @throws NullPointerException if list or transformer is null * @since 4.0 */ public static <E> TransformedList<E> transformedList(final List<E> list, final Transformer<? super E, ? extends E> transformer) { final TransformedList<E> decorated = new TransformedList<>(list, transformer); if (list.size() > 0) { @SuppressWarnings("unchecked") // list is of type E final E[] values = (E[]) list.toArray(); // NOPMD - false positive for generics list.clear(); for (final E value : values) { decorated.decorated().add(transformer.transform(value)); } } return decorated; } //----------------------------------------------------------------------- /** * Constructor that wraps (not copies). * <p> * If there are any elements already in the list being decorated, they * are NOT transformed. * * @param list the list to decorate, must not be null * @param transformer the transformer to use for conversion, must not be null * @throws NullPointerException if list or transformer is null */ protected TransformedList(final List<E> list, final Transformer<? super E, ? extends E> transformer) { super(list, transformer); } /** * Gets the decorated list. * * @return the decorated list */ protected List<E> getList() { return (List<E>) decorated(); } @Override public boolean equals(final Object object) { return object == this || decorated().equals(object); } @Override public int hashCode() { return decorated().hashCode(); } //----------------------------------------------------------------------- @Override public E get(final int index) { return getList().get(index); } @Override public int indexOf(final Object object) { return getList().indexOf(object); } @Override public int lastIndexOf(final Object object) { return getList().lastIndexOf(object); } @Override public E remove(final int index) { return getList().remove(index); } //----------------------------------------------------------------------- @Override public void add(final int index, E object) { object = transform(object); getList().add(index, object); } @Override public boolean addAll(final int index, Collection<? extends E> coll) { coll = transform(coll); return getList().addAll(index, coll); } @Override public ListIterator<E> listIterator() { return listIterator(0); } @Override public ListIterator<E> listIterator(final int i) { return new TransformedListIterator(getList().listIterator(i)); } @Override public E set(final int index, E object) { object = transform(object); return getList().set(index, object); } @Override public List<E> subList(final int fromIndex, final int toIndex) { final List<E> sub = getList().subList(fromIndex, toIndex); return new TransformedList<>(sub, transformer); } /** * Inner class Iterator for the TransformedList */ protected class TransformedListIterator extends AbstractListIteratorDecorator<E> { /** * Create a new transformed list iterator. * * @param iterator the list iterator to decorate */ protected TransformedListIterator(final ListIterator<E> iterator) { super(iterator); } @Override public void add(E object) { object = transform(object); getListIterator().add(object); } @Override public void set(E object) { object = transform(object); getListIterator().set(object); } } }
⏎ org/apache/commons/collections4/list/TransformedList.java
Or download all of them as a single archive file:
File name: commons-collections4-4.4-sources.jar File size: 715541 bytes Release date: 2019-07-05 Download
⇒ Download and Install commons-collections4-4.2-bin.zip
⇐ What Is commons-collections4-4.4.jar
2020-12-15, 101363👍, 0💬
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