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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/bag/UnmodifiableBag.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.bag; import java.io.IOException; import java.io.ObjectInputStream; import java.io.ObjectOutputStream; import java.util.Collection; import java.util.Iterator; import java.util.Set; import java.util.function.Predicate; import org.apache.commons.collections4.Bag; import org.apache.commons.collections4.Unmodifiable; import org.apache.commons.collections4.iterators.UnmodifiableIterator; import org.apache.commons.collections4.set.UnmodifiableSet; /** * Decorates another {@link Bag} to ensure it can't be altered. * <p> * This class is Serializable from Commons Collections 3.1. * </p> * <p> * Attempts to modify it will result in an UnsupportedOperationException. * </p> * * @param <E> the type of elements in this bag * @since 3.0 */ public final class UnmodifiableBag<E> extends AbstractBagDecorator<E> implements Unmodifiable { /** Serialization version */ private static final long serialVersionUID = -1873799975157099624L; /** * Factory method to create an unmodifiable bag. * <p> * If the bag passed in is already unmodifiable, it is returned. * * @param <E> the type of the elements in the bag * @param bag the bag to decorate, must not be null * @return an unmodifiable Bag * @throws NullPointerException if bag is null * @since 4.0 */ public static <E> Bag<E> unmodifiableBag(final Bag<? extends E> bag) { if (bag instanceof Unmodifiable) { @SuppressWarnings("unchecked") // safe to upcast final Bag<E> tmpBag = (Bag<E>) bag; return tmpBag; } return new UnmodifiableBag<>(bag); } //----------------------------------------------------------------------- /** * Constructor that wraps (not copies). * * @param bag the bag to decorate, must not be null * @throws NullPointerException if bag is null */ @SuppressWarnings("unchecked") // safe to upcast private UnmodifiableBag(final Bag<? extends E> bag) { super((Bag<E>) bag); } //----------------------------------------------------------------------- /** * Write the collection out using a custom routine. * * @param out the output stream * @throws IOException if an error occurs while writing to the stream */ private void writeObject(final ObjectOutputStream out) throws IOException { out.defaultWriteObject(); out.writeObject(decorated()); } /** * Read the collection in using a custom routine. * * @param in the input stream * @throws IOException if an error occurs while reading from the stream * @throws ClassNotFoundException if an object read from the stream can not be loaded * @throws ClassCastException if deserialised object has wrong type */ @SuppressWarnings("unchecked") // will throw CCE, see Javadoc private void readObject(final ObjectInputStream in) throws IOException, ClassNotFoundException { in.defaultReadObject(); setCollection((Collection<E>) in.readObject()); } //----------------------------------------------------------------------- @Override public Iterator<E> iterator() { return UnmodifiableIterator.<E> unmodifiableIterator(decorated().iterator()); } @Override public boolean add(final E object) { throw new UnsupportedOperationException(); } @Override public boolean addAll(final Collection<? extends E> coll) { throw new UnsupportedOperationException(); } @Override public void clear() { throw new UnsupportedOperationException(); } @Override public boolean remove(final Object object) { throw new UnsupportedOperationException(); } /** * @since 4.4 */ @Override public boolean removeIf(Predicate<? super E> filter) { throw new UnsupportedOperationException(); } @Override public boolean removeAll(final Collection<?> coll) { throw new UnsupportedOperationException(); } @Override public boolean retainAll(final Collection<?> coll) { throw new UnsupportedOperationException(); } //----------------------------------------------------------------------- @Override public boolean add(final E object, final int count) { throw new UnsupportedOperationException(); } @Override public boolean remove(final Object object, final int count) { throw new UnsupportedOperationException(); } @Override public Set<E> uniqueSet() { final Set<E> set = decorated().uniqueSet(); return UnmodifiableSet.<E> unmodifiableSet(set); } }
⏎ org/apache/commons/collections4/bag/UnmodifiableBag.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, 113237👍, 0💬
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