| /* |
| * 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 wicket.markup.repeater.data; |
| |
| import java.util.Iterator; |
| import java.util.List; |
| |
| import wicket.model.IModel; |
| import wicket.model.Model; |
| |
| /** |
| * Allows the use of lists with dataview. The only requirement is that either |
| * list items must be serializable or model(Object) needs to be overridden to |
| * provide the proper model implementation. |
| * |
| * @author Igor Vaynberg ( ivaynberg ) |
| * |
| * @param <T> The IModel type |
| */ |
| public class ListDataProvider<T> implements IDataProvider<T> |
| { |
| private static final long serialVersionUID = 1L; |
| |
| /** reference to the list used as dataprovider for the dataview */ |
| private List<T> list; |
| |
| /** |
| * |
| * @param list |
| * the list used as dataprovider for the dataview |
| */ |
| public ListDataProvider(List<T> list) |
| { |
| if (list == null) |
| { |
| throw new IllegalArgumentException("argument [list] cannot be null"); |
| } |
| |
| this.list = list; |
| } |
| |
| /** |
| * @see IDataProvider#iterator(int, int) |
| */ |
| public Iterator<T> iterator(final int first, final int count) |
| { |
| return list.listIterator(first); |
| } |
| |
| /** |
| * @see IDataProvider#size() |
| */ |
| public int size() |
| { |
| return list.size(); |
| } |
| |
| /** |
| * @see IDataProvider#model(Object) |
| */ |
| public IModel<T> model(T object) |
| { |
| return new Model<T>(object); |
| } |
| |
| public void detach() |
| { |
| } |
| |
| } |