| /* |
| * Copyright 1999-2004 The Apache Software Foundation |
| * |
| * Licensed 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.collections.iterators; |
| |
| import java.util.ListIterator; |
| |
| /** |
| * A proxy {@link ListIterator ListIterator} which delegates its |
| * methods to a proxy instance. |
| * |
| * @deprecated Use AbstractListIteratorDecorator. Will be removed in v4.0 |
| * @since Commons Collections 2.0 |
| * @version $Revision: 1.1 $ $Date: 2009/05/27 22:16:27 $ |
| * |
| * @author Rodney Waldhoff |
| */ |
| public class ProxyListIterator implements ListIterator { |
| |
| /** Holds value of property "iterator". */ |
| private ListIterator iterator; |
| |
| // Constructors |
| //------------------------------------------------------------------------- |
| |
| /** |
| * Constructs a new <code>ProxyListIterator</code> that will not |
| * function until {@link #setListIterator(ListIterator) setListIterator} |
| * is invoked. |
| */ |
| public ProxyListIterator() { |
| super(); |
| } |
| |
| /** |
| * Constructs a new <code>ProxyListIterator</code> that will use the |
| * given list iterator. |
| * |
| * @param iterator the list iterator to use |
| */ |
| public ProxyListIterator(ListIterator iterator) { |
| super(); |
| this.iterator = iterator; |
| } |
| |
| // ListIterator interface |
| //------------------------------------------------------------------------- |
| |
| /** |
| * Invokes the underlying {@link ListIterator#add(Object)} method. |
| * |
| * @throws NullPointerException if the underlying iterator is null |
| */ |
| public void add(Object o) { |
| getListIterator().add(o); |
| } |
| |
| /** |
| * Invokes the underlying {@link ListIterator#hasNext()} method. |
| * |
| * @throws NullPointerException if the underlying iterator is null |
| */ |
| public boolean hasNext() { |
| return getListIterator().hasNext(); |
| } |
| |
| /** |
| * Invokes the underlying {@link ListIterator#hasPrevious()} method. |
| * |
| * @throws NullPointerException if the underlying iterator is null |
| */ |
| public boolean hasPrevious() { |
| return getListIterator().hasPrevious(); |
| } |
| |
| /** |
| * Invokes the underlying {@link ListIterator#next()} method. |
| * |
| * @throws NullPointerException if the underlying iterator is null |
| */ |
| public Object next() { |
| return getListIterator().next(); |
| } |
| |
| /** |
| * Invokes the underlying {@link ListIterator#nextIndex()} method. |
| * |
| * @throws NullPointerException if the underlying iterator is null |
| */ |
| public int nextIndex() { |
| return getListIterator().nextIndex(); |
| } |
| |
| /** |
| * Invokes the underlying {@link ListIterator#previous()} method. |
| * |
| * @throws NullPointerException if the underlying iterator is null |
| */ |
| public Object previous() { |
| return getListIterator().previous(); |
| } |
| |
| /** |
| * Invokes the underlying {@link ListIterator#previousIndex()} method. |
| * |
| * @throws NullPointerException if the underlying iterator is null |
| */ |
| public int previousIndex() { |
| return getListIterator().previousIndex(); |
| } |
| |
| /** |
| * Invokes the underlying {@link ListIterator#remove()} method. |
| * |
| * @throws NullPointerException if the underlying iterator is null |
| */ |
| public void remove() { |
| getListIterator().remove(); |
| } |
| |
| /** |
| * Invokes the underlying {@link ListIterator#set(Object)} method. |
| * |
| * @throws NullPointerException if the underlying iterator is null |
| */ |
| public void set(Object o) { |
| getListIterator().set(o); |
| } |
| |
| // Properties |
| //------------------------------------------------------------------------- |
| |
| /** |
| * Getter for property iterator. |
| * @return Value of property iterator. |
| */ |
| public ListIterator getListIterator() { |
| return iterator; |
| } |
| |
| /** |
| * Setter for property iterator. |
| * @param iterator New value of property iterator. |
| */ |
| public void setListIterator(ListIterator iterator) { |
| this.iterator = iterator; |
| } |
| |
| } |
| |