| // GenericsNote: Converted. |
| /* |
| * Copyright 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.jivesoftware.smack.util.collections; |
| |
| import java.util.Iterator; |
| |
| /** |
| * Provides an implementation of an empty iterator. |
| * <p/> |
| * This class provides an implementation of an empty iterator. |
| * This class provides for binary compatability between Commons Collections |
| * 2.1.1 and 3.1 due to issues with <code>IteratorUtils</code>. |
| * |
| * @author Matt Hall, John Watkinson, Stephen Colebourne |
| * @version $Revision: 1.1 $ $Date: 2005/10/11 17:05:24 $ |
| * @since Commons Collections 2.1.1 and 3.1 |
| */ |
| public class EmptyIterator <E> extends AbstractEmptyIterator<E> implements ResettableIterator<E> { |
| |
| /** |
| * Singleton instance of the iterator. |
| * |
| * @since Commons Collections 3.1 |
| */ |
| public static final ResettableIterator RESETTABLE_INSTANCE = new EmptyIterator(); |
| /** |
| * Singleton instance of the iterator. |
| * |
| * @since Commons Collections 2.1.1 and 3.1 |
| */ |
| public static final Iterator INSTANCE = RESETTABLE_INSTANCE; |
| |
| public static <T> Iterator<T> getInstance() { |
| return INSTANCE; |
| } |
| |
| /** |
| * Constructor. |
| */ |
| protected EmptyIterator() { |
| super(); |
| } |
| |
| } |