1 package org.apache.velocity.util;
2
3 /*
4 * Licensed to the Apache Software Foundation (ASF) under one
5 * or more contributor license agreements. See the NOTICE file
6 * distributed with this work for additional information
7 * regarding copyright ownership. The ASF licenses this file
8 * to you under the Apache License, Version 2.0 (the
9 * "License"); you may not use this file except in compliance
10 * with the License. You may obtain a copy of the License at
11 *
12 * http://www.apache.org/licenses/LICENSE-2.0
13 *
14 * Unless required by applicable law or agreed to in writing,
15 * software distributed under the License is distributed on an
16 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
17 * KIND, either express or implied. See the License for the
18 * specific language governing permissions and limitations
19 * under the License.
20 */
21
22 import java.lang.reflect.Array;
23 import java.util.AbstractList;
24
25 /**
26 * A class that wraps an array with a List interface.
27 *
28 * @author Chris Schultz <chris@christopherschultz.net$gt;
29 * @version $Revision: 685685 $ $Date: 2006-04-14 19:40:41 $
30 * @since 1.6
31 */
32 public class ArrayListWrapper extends AbstractList
33 {
34 private Object array;
35
36 public ArrayListWrapper(Object array)
37 {
38 this.array = array;
39 }
40
41 public Object get(int index)
42 {
43 return Array.get(array, index);
44 }
45
46 public Object set(int index, Object element)
47 {
48 Object old = get(index);
49 Array.set(array, index, element);
50 return old;
51 }
52
53 public int size()
54 {
55 return Array.getLength(array);
56 }
57
58 }