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/*
* 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.*;

/**
 * Expires SIP Header.
 *
 * @version 1.2 $Revision: 1.7 $ $Date: 2010-05-06 14:07:46 $
 * @since 1.1
 *
 * @author M. Ranganathan   
* * */ public class Expires extends SIPHeader implements javax.sip.header.ExpiresHeader { /** * Comment for serialVersionUID */ private static final long serialVersionUID = 3134344915465784267L; /** expires field */ protected int expires; /** default constructor */ public Expires() { super(NAME); } /** * Return canonical form. * @return String */ public String encodeBody() { return encodeBody(new StringBuilder()).toString(); } protected StringBuilder encodeBody(StringBuilder buffer) { return buffer.append(expires); } /** * Gets the expires value of the ExpiresHeader. This expires value is * * relative time. * * * * @return the expires value of the ExpiresHeader. * * */ public int getExpires() { return expires; } /** * Sets the relative expires value of the ExpiresHeader. * The expires value MUST be greater than zero and MUST be * less than 2**31. * * @param expires - the new expires value of this ExpiresHeader * * @throws InvalidArgumentException if supplied value is less than zero. * * */ public void setExpires(int expires) throws InvalidArgumentException { if (expires < 0) throw new InvalidArgumentException("bad argument " + expires); this.expires = expires; } }




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