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*******************************************************************************/
29package gov.nist.javax.sip.header;
30import 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 */
40public 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