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Collections:
Other Resources:
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/iterators/UnmodifiableIterator.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.iterators; import java.util.Iterator; import org.apache.commons.collections4.Unmodifiable; /** * Decorates an iterator such that it cannot be modified. * <p> * Attempts to modify it will result in an UnsupportedOperationException. * </p> * * @since 3.0 */ public final class UnmodifiableIterator<E> implements Iterator<E>, Unmodifiable { /** The iterator being decorated */ private final Iterator<? extends E> iterator; //----------------------------------------------------------------------- /** * Decorates the specified iterator such that it cannot be modified. * <p> * If the iterator is already unmodifiable it is returned directly. * * @param <E> the element type * @param iterator the iterator to decorate * @return a new unmodifiable iterator * @throws NullPointerException if the iterator is null */ public static <E> Iterator<E> unmodifiableIterator(final Iterator<? extends E> iterator) { if (iterator == null) { throw new NullPointerException("Iterator must not be null"); } if (iterator instanceof Unmodifiable) { @SuppressWarnings("unchecked") // safe to upcast final Iterator<E> tmpIterator = (Iterator<E>) iterator; return tmpIterator; } return new UnmodifiableIterator<>(iterator); } //----------------------------------------------------------------------- /** * Constructor. * * @param iterator the iterator to decorate */ private UnmodifiableIterator(final Iterator<? extends E> iterator) { super(); this.iterator = iterator; } //----------------------------------------------------------------------- @Override public boolean hasNext() { return iterator.hasNext(); } @Override public E next() { return iterator.next(); } @Override public void remove() { throw new UnsupportedOperationException("remove() is not supported"); } }
⏎ org/apache/commons/collections4/iterators/UnmodifiableIterator.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, 101793👍, 0💬
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