java/gov/nist/javax/sip/header/AcceptLanguageList.java

/*
* Conditions Of Use
*
* This software was developed by employees of the National Institute of
* Standards and Technology (NIST), an agency of the Federal Government.
* Pursuant to title 15 Untied States Code Section 105, works of NIST
* employees are not subject to copyright protection in the United States
* and are considered to be in the public domain.  As a result, a formal
* license is not needed to use the software.
*
* This software is provided by NIST as a service and is expressly
* provided "AS IS."  NIST MAKES NO WARRANTY OF ANY KIND, EXPRESS, IMPLIED
* OR STATUTORY, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTY OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, NON-INFRINGEMENT
* AND DATA ACCURACY.  NIST does not warrant or make any representations
* regarding the use of the software or the results thereof, including but
* not limited to the correctness, accuracy, reliability or usefulness of
* the software.
*
* Permission to use this software is contingent upon your acceptance
* of the terms of this agreement
*
* .
*
*/
/*******************************************************************************
* Product of NIST/ITL Advanced Networking Technologies Division (ANTD).        *
*******************************************************************************/
package gov.nist.javax.sip.header;
import javax.sip.header.*;

/**
 * AcceptLanguageList: Strings together a list of AcceptLanguage SIPHeaders.
 * @author M. Ranganathan
 * @version 1.2 $Revision: 1.7 $ $Date: 2009/07/17 18:57:25 $
 * @since 1.1
 *
 *
 */
public class AcceptLanguageList extends SIPHeaderList<AcceptLanguage>  {


    private static final long serialVersionUID = -3289606805203488840L;

    @Override
    public Object clone() {
        AcceptLanguageList retval = new AcceptLanguageList();
        retval.clonehlist(this.hlist);
        return retval;
    }

    public AcceptLanguageList() {
        super(AcceptLanguage.class, AcceptLanguageHeader.NAME);
    }

    public AcceptLanguage getFirst() {
        AcceptLanguage retval = (AcceptLanguage) super.getFirst();
        if (retval != null)
            return retval;
        else
            return new AcceptLanguage();
    }

    public AcceptLanguage getLast() {
        AcceptLanguage retval = (AcceptLanguage) super.getLast();
        if (retval != null)
            return retval;
        else
            return new AcceptLanguage();
    }
}