| /* |
| * 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.lenya.cms.site; |
| |
| import java.util.Arrays; |
| import java.util.Collection; |
| import java.util.Iterator; |
| |
| import org.apache.commons.lang.Validate; |
| |
| /** |
| * Node iterator. |
| */ |
| public class NodeIterator { |
| |
| private Iterator delegate; |
| |
| /** |
| * @param collection The collection to iterate over. |
| */ |
| public NodeIterator(Collection collection) { |
| Validate.notNull(collection); |
| this.delegate = collection.iterator(); |
| } |
| |
| /** |
| * @param nodes The nodes to iterate over. |
| */ |
| public NodeIterator(SiteNode[] nodes) { |
| Validate.notNull(nodes); |
| this.delegate = Arrays.asList(nodes).iterator(); |
| } |
| |
| /** |
| * @return A site node. |
| * @see Iterator#next() |
| */ |
| public SiteNode next() { |
| return (SiteNode) this.delegate.next(); |
| } |
| |
| /** |
| * @return A boolean value. |
| * @see Iterator#hasNext() |
| */ |
| public boolean hasNext() { |
| return this.delegate.hasNext(); |
| } |
| |
| } |