1 /* 2 * Licensed to the Apache Software Foundation (ASF) under one or more 3 * contributor license agreements. See the NOTICE file distributed with 4 * this work for additional information regarding copyright ownership. 5 * The ASF licenses this file to You under the Apache License, Version 2.0 6 * (the "License"); you may not use this file except in compliance with 7 * the License. You may obtain a copy of the License at 8 * 9 * http://www.apache.org/licenses/LICENSE-2.0 10 * 11 * Unless required by applicable law or agreed to in writing, software 12 * distributed under the License is distributed on an "AS IS" BASIS, 13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 14 * See the License for the specific language governing permissions and 15 * limitations under the License. 16 */ 17 package org.apache.commons.collections4.iterators; 18 19 import java.util.Iterator; 20 21 /** 22 * Provides basic behaviour for decorating an iterator with extra functionality. 23 * <p> 24 * All methods are forwarded to the decorated iterator. 25 * 26 * @since 3.0 27 */ 28 public abstract class AbstractIteratorDecorator<E> extends AbstractUntypedIteratorDecorator<E, E> { 29 30 //----------------------------------------------------------------------- 31 /** 32 * Constructor that decorates the specified iterator. 33 * 34 * @param iterator the iterator to decorate, must not be null 35 * @throws NullPointerException if the iterator is null 36 */ 37 protected AbstractIteratorDecorator(final Iterator<E> iterator) { 38 super(iterator); 39 } 40 41 /** {@inheritDoc} */ 42 @Override 43 public E next() { 44 return getIterator().next(); 45 } 46 47 }