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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/collection/UnmodifiableBoundedCollection.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.collection; import java.util.Collection; import java.util.Iterator; import org.apache.commons.collections4.BoundedCollection; import org.apache.commons.collections4.Unmodifiable; import org.apache.commons.collections4.iterators.UnmodifiableIterator; /** * {@link UnmodifiableBoundedCollection} decorates another * {@link BoundedCollection} to ensure it can't be altered. * <p> * If a BoundedCollection is first wrapped in some other collection decorator, * such as synchronized or predicated, the BoundedCollection methods are no * longer accessible. * The factory on this class will attempt to retrieve the bounded nature by * examining the package scope variables. * <p> * This class is Serializable from Commons Collections 3.1. * <p> * Attempts to modify it will result in an UnsupportedOperationException. * * @param <E> the type of elements in this collection * @since 3.0 */ public final class UnmodifiableBoundedCollection<E> extends AbstractCollectionDecorator<E> implements BoundedCollection<E>, Unmodifiable { /** Serialization version */ private static final long serialVersionUID = -7112672385450340330L; /** * Factory method to create an unmodifiable bounded collection. * * @param <E> the type of the elements in the collection * @param coll the <code>BoundedCollection</code> to decorate, must not be null * @return a new unmodifiable bounded collection * @throws NullPointerException if {@code coll} is {@code null} * @since 4.0 */ public static <E> BoundedCollection<E> unmodifiableBoundedCollection(final BoundedCollection<? extends E> coll) { if (coll instanceof Unmodifiable) { @SuppressWarnings("unchecked") // safe to upcast final BoundedCollection<E> tmpColl = (BoundedCollection<E>) coll; return tmpColl; } return new UnmodifiableBoundedCollection<>(coll); } /** * Factory method to create an unmodifiable bounded collection. * <p> * This method is capable of drilling down through up to 1000 other decorators * to find a suitable BoundedCollection. * * @param <E> the type of the elements in the collection * @param coll the <code>BoundedCollection</code> to decorate, must not be null * @return a new unmodifiable bounded collection * @throws NullPointerException if coll is null * @throws IllegalArgumentException if coll is not a {@code BoundedCollection} * @since 4.0 */ @SuppressWarnings("unchecked") public static <E> BoundedCollection<E> unmodifiableBoundedCollection(Collection<? extends E> coll) { if (coll == null) { throw new NullPointerException("Collection must not be null."); } // handle decorators for (int i = 0; i < 1000; i++) { // counter to prevent infinite looping if (coll instanceof BoundedCollection) { break; // normal loop exit } if (coll instanceof AbstractCollectionDecorator) { coll = ((AbstractCollectionDecorator<E>) coll).decorated(); } else if (coll instanceof SynchronizedCollection) { coll = ((SynchronizedCollection<E>) coll).decorated(); } } if (coll instanceof BoundedCollection == false) { throw new IllegalArgumentException("Collection is not a bounded collection."); } return new UnmodifiableBoundedCollection<>((BoundedCollection<E>) coll); } /** * Constructor that wraps (not copies). * * @param coll the collection to decorate, must not be null * @throws NullPointerException if coll is null */ @SuppressWarnings("unchecked") // safe to upcast private UnmodifiableBoundedCollection(final BoundedCollection<? extends E> coll) { super((BoundedCollection<E>) coll); } //----------------------------------------------------------------------- @Override public Iterator<E> iterator() { return UnmodifiableIterator.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(); } @Override public boolean removeAll(final Collection<?> coll) { throw new UnsupportedOperationException(); } @Override public boolean retainAll(final Collection<?> coll) { throw new UnsupportedOperationException(); } //----------------------------------------------------------------------- @Override public boolean isFull() { return decorated().isFull(); } @Override public int maxSize() { return decorated().maxSize(); } @Override protected BoundedCollection<E> decorated() { return (BoundedCollection<E>) super.decorated(); } }
⏎ org/apache/commons/collections4/collection/UnmodifiableBoundedCollection.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, 35414👍, 0💬
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