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