1 /* 2 * Licensed to the Apache Software Foundation (ASF) under one 3 * or more contributor license agreements. See the NOTICE file 4 * distributed with this work for additional information 5 * regarding copyright ownership. The ASF licenses this file 6 * to you under the Apache License, Version 2.0 (the 7 * "License"); you may not use this file except in compliance 8 * with the License. You may obtain a copy of the License at 9 * 10 * http://www.apache.org/licenses/LICENSE-2.0 11 * 12 * Unless required by applicable law or agreed to in writing, 13 * software distributed under the License is distributed on an 14 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 15 * KIND, either express or implied. See the License for the 16 * specific language governing permissions and limitations 17 * under the License. 18 */ 19 package org.apache.myfaces.component.html.ext; 20 21 import javax.faces.component.StateHolder; 22 import java.io.Serializable; 23 import java.util.ArrayList; 24 import java.util.List; 25 26 /** 27 * @author Manfred Geiler (latest modification by $Author: grantsmith $) 28 * @version $Revision: 472630 $ $Date: 2006-11-08 15:40:03 -0500 (Wed, 08 Nov 2006) $ 29 * %Log$ 30 */ 31 class _SerializableListDataModel 32 extends _SerializableDataModel 33 { 34 private static final long serialVersionUID = 2579712878688635627L; 35 //private static final Log log = LogFactory.getLog(_SerializableDataModel.class); 36 37 public _SerializableListDataModel(int first, int rows, List list) 38 { 39 _first = first; 40 _rows = rows; 41 _rowCount = list.size(); 42 if (_rows <= 0) 43 { 44 _rows = _rowCount - first; 45 } 46 47 if (_rows == _rowCount) 48 { 49 //whole list must be saved 50 if (list instanceof Serializable || list instanceof StateHolder) 51 { 52 _list = list; 53 } 54 else 55 { 56 //copy list 57 _list = new ArrayList(list); 58 } 59 } 60 else 61 { 62 int size = _rows > 0 && _rows < _rowCount ? _rows : _rowCount; 63 _list = new ArrayList(size); 64 if (size > _rowCount - _first) 65 { 66 size = _rowCount - _first; 67 } 68 for (int i = 0; i < size; i++) 69 { 70 _list.add(list.get(_first + i)); 71 } 72 } 73 } 74 }