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.commons.jexl.util;
20
21 import java.lang.reflect.Array;
22 import java.util.AbstractList;
23
24 /**
25 * A class that wraps an array with a List interface.
26 *
27 * @author Chris Schultz <chris@christopherschultz.net$gt;
28 * @version $Revision$ $Date: 2006-04-14 19:40:41 $
29 */
30 public class ArrayListWrapper extends AbstractList {
31 private Object array;
32
33 public ArrayListWrapper( Object array ) {
34 this.array = array;
35 }
36
37 public Object get( int index ) {
38 return Array.get( array, index );
39 }
40
41 public Object set( int index, Object element ) {
42 Object old = get( index );
43 Array.set( array, index, element );
44 return old;
45 }
46
47 public int size() {
48 return Array.getLength( array );
49 }
50 }