1 /*
2 * Licensed to the Apache Software Foundation (ASF) under one or more
3 * contributor license agreements. See the NOTICE file distributed with
4 * this work for additional information regarding copyright ownership.
5 * The ASF licenses this file to You under the Apache License, Version 2.0
6 * (the "License"); you may not use this file except in compliance with
7 * the License. You may obtain a copy of the License at
8 *
9 * http://www.apache.org/licenses/LICENSE-2.0
10 *
11 * Unless required by applicable law or agreed to in writing, software
12 * distributed under the License is distributed on an "AS IS" BASIS,
13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 * See the License for the specific language governing permissions and
15 * limitations under the License.
16 */
17 package org.apache.commons.collections.primitives.decorators;
18
19 import java.io.Serializable;
20
21 import org.apache.commons.collections.primitives.ShortList;
22
23 /**
24 *
25 * @since Commons Primitives 1.0
26 * @version $Revision: 480463 $ $Date: 2006-11-29 03:15:23 -0500 (Wed, 29 Nov 2006) $
27 *
28 * @author Rodney Waldhoff
29 */
30 public final class UnmodifiableShortList extends BaseUnmodifiableShortList implements Serializable {
31 UnmodifiableShortList(ShortList list) {
32 this.proxied = list;
33 }
34
35 public static final ShortList wrap(ShortList list) {
36 if(null == list) {
37 return null;
38 } else if(list instanceof UnmodifiableShortList) {
39 return list;
40 } else if(list instanceof Serializable) {
41 return new UnmodifiableShortList(list);
42 } else {
43 return new NonSerializableUnmodifiableShortList(list);
44 }
45 }
46
47 protected ShortList getProxiedList() {
48 return proxied;
49 }
50
51 private ShortList proxied = null;
52 }