| /* |
| * 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 freemarker.test.templatesuite.models; |
| |
| import java.util.Iterator; |
| |
| import freemarker.template.SimpleSequence; |
| import freemarker.template.TemplateModel; |
| import freemarker.template.TemplateModelException; |
| import freemarker.template._ObjectWrappers; |
| |
| /** |
| * A little bridge class that subclasses the new SimpleList |
| * and still implements the deprecated TemplateListModel |
| */ |
| public class LegacyList extends SimpleSequence { |
| |
| private Iterator iterator; |
| |
| public LegacyList() { |
| super(_ObjectWrappers.SAFE_OBJECT_WRAPPER); |
| } |
| |
| /** |
| * Resets the cursor to the beginning of the list. |
| */ |
| public synchronized void rewind() { |
| iterator = null; |
| } |
| |
| /** |
| * @return true if the cursor is at the beginning of the list. |
| */ |
| public synchronized boolean isRewound() { |
| return (iterator == null); |
| } |
| |
| /** |
| * @return true if there is a next element. |
| */ |
| public synchronized boolean hasNext() { |
| if (iterator == null) { |
| iterator = list.listIterator(); |
| } |
| return iterator.hasNext(); |
| } |
| |
| /** |
| * @return the next element in the list. |
| */ |
| public synchronized TemplateModel next() throws TemplateModelException { |
| if (iterator == null) { |
| iterator = list.listIterator(); |
| } |
| if (iterator.hasNext()) { |
| return (TemplateModel) iterator.next(); |
| } else { |
| throw new TemplateModelException("No more elements."); |
| } |
| } |
| } |