1 /*
2 * Conditions Of Use
3 *
4 * This software was developed by employees of the National Institute of
5 * Standards and Technology (NIST), an agency of the Federal Government.
6 * Pursuant to title 15 Untied States Code Section 105, works of NIST
7 * employees are not subject to copyright protection in the United States
8 * and are considered to be in the public domain.  As a result, a formal
9 * license is not needed to use the software.
10 *
11 * This software is provided by NIST as a service and is expressly
12 * provided "AS IS."  NIST MAKES NO WARRANTY OF ANY KIND, EXPRESS, IMPLIED
13 * OR STATUTORY, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTY OF
14 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, NON-INFRINGEMENT
15 * AND DATA ACCURACY.  NIST does not warrant or make any representations
16 * regarding the use of the software or the results thereof, including but
17 * not limited to the correctness, accuracy, reliability or usefulness of
18 * the software.
19 *
20 * Permission to use this software is contingent upon your acceptance
21 * of the terms of this agreement
22 *
23 * .
24 *
25 */
26 /*******************************************************************************
27 * Product of NIST/ITL Advanced Networking Technologies Division (ANTD).        *
28 *******************************************************************************/
29 package gov.nist.javax.sip.header;
30 import javax.sip.header.*;
31 
32 /**
33  * AcceptLanguageList: Strings together a list of AcceptLanguage SIPHeaders.
34  * @author M. Ranganathan
35  * @version 1.2 $Revision: 1.7 $ $Date: 2009/07/17 18:57:25 $
36  * @since 1.1
37  *
38  *
39  */
40 public class AcceptLanguageList extends SIPHeaderList<AcceptLanguage>  {
41 
42 
43     private static final long serialVersionUID = -3289606805203488840L;
44 
45     @Override
46     public Object clone() {
47         AcceptLanguageList retval = new AcceptLanguageList();
48         retval.clonehlist(this.hlist);
49         return retval;
50     }
51 
52     public AcceptLanguageList() {
53         super(AcceptLanguage.class, AcceptLanguageHeader.NAME);
54     }
55 
56     public AcceptLanguage getFirst() {
57         AcceptLanguage retval = (AcceptLanguage) super.getFirst();
58         if (retval != null)
59             return retval;
60         else
61             return new AcceptLanguage();
62     }
63 
64     public AcceptLanguage getLast() {
65         AcceptLanguage retval = (AcceptLanguage) super.getLast();
66         if (retval != null)
67             return retval;
68         else
69             return new AcceptLanguage();
70     }
71 }
72