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      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