001/* 002 * Licensed to the Apache Software Foundation (ASF) under one or more 003 * contributor license agreements. See the NOTICE file distributed with 004 * this work for additional information regarding copyright ownership. 005 * The ASF licenses this file to You under the Apache License, Version 2.0 006 * (the "License"); you may not use this file except in compliance with 007 * the License. You may obtain a copy of the License at 008 * 009 * http://www.apache.org/licenses/LICENSE-2.0 010 * 011 * Unless required by applicable law or agreed to in writing, software 012 * distributed under the License is distributed on an "AS IS" BASIS, 013 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 014 * See the License for the specific language governing permissions and 015 * limitations under the License. 016 */ 017package org.apache.commons.collections.primitives.adapters; 018 019import java.io.Serializable; 020import java.util.List; 021 022import org.apache.commons.collections.primitives.FloatList; 023 024/** 025 * Adapts a {@link Number}-valued {@link List List} 026 * to the {@link FloatList FloatList} interface. 027 * <p /> 028 * This implementation delegates most methods 029 * to the provided {@link List List} 030 * implementation in the "obvious" way. 031 * 032 * @since Commons Primitives 1.0 033 * @version $Revision: 480462 $ $Date: 2006-11-29 03:15:00 -0500 (Wed, 29 Nov 2006) $ 034 * @author Rodney Waldhoff 035 */ 036public class ListFloatList extends AbstractListFloatList implements Serializable { 037 038 /** 039 * Create an {@link FloatList FloatList} wrapping 040 * the specified {@link List List}. When 041 * the given <i>list</i> is <code>null</code>, 042 * returns <code>null</code>. 043 * 044 * @param list the (possibly <code>null</code>) 045 * {@link List List} to wrap 046 * @return a {@link FloatList FloatList} wrapping the given 047 * <i>list</i>, or <code>null</code> when <i>list</i> is 048 * <code>null</code>. 049 */ 050 public static FloatList wrap(List list) { 051 if(null == list) { 052 return null; 053 } else if(list instanceof Serializable) { 054 return new ListFloatList(list); 055 } else { 056 return new NonSerializableListFloatList(list); 057 } 058 } 059 060 /** 061 * Creates an {@link FloatList FloatList} wrapping 062 * the specified {@link List List}. 063 * @see #wrap 064 */ 065 public ListFloatList(List list) { 066 _list = list; 067 } 068 069 protected List getList() { 070 return _list; 071 } 072 073 private List _list = null; 074 075}