/*
* 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 java.util.*;
import javax.sip.header.*;

/**
* Date Header.
*
*@version 1.2 $Revision: 1.6 $ $Date: 2009/07/17 18:57:37 $
*
*@author M. Ranganathan   <br/>
*@author Olivier Deruelle <br/>
*
*
*/
public class SIPDateHeader extends SIPHeader implements DateHeader {

    /**
     * Comment for <code>serialVersionUID</code>
     */
    private static final long serialVersionUID = 1734186339037274664L;
    /** date field
     */
    protected SIPDate date;

    /** Default constructor.
     */
    public SIPDateHeader() {
        super(DATE);
    }

    /** Encode the header into a String.
     * @return String
     */
    public String encodeBody() {
        return date.encode();
    }

    /**
     * Set the date member
     * @param d SIPDate to set
     */
    public void setDate(SIPDate d) {
        date = d;

    }

    /**
     * Sets date of DateHeader. The date is repesented by the Calendar object.
     *
     * @param dat the Calendar object date of this header.
     */
    public void setDate(Calendar dat) {
        if (dat != null)
            date = new SIPDate(dat.getTime().getTime());
    }

    /**
     * Gets the date of DateHeader. The date is repesented by the Calender
     * object.
     *
     * @return the Calendar object representing the date of DateHeader
     */
    public Calendar getDate() {
        if (date == null)
            return null;
        return date.getJavaCal();
    }

    public Object clone() {
        SIPDateHeader retval = (SIPDateHeader) super.clone();
        if (this.date != null)
            retval.date = (SIPDate) this.date.clone();
        return retval;
    }
}
/*
 * $Log: SIPDateHeader.java,v $
 * Revision 1.6  2009/07/17 18:57:37  emcho
 * Converts indentation tabs to spaces so that we have a uniform indentation policy in the whole project.
 *
 * Revision 1.5  2006/07/13 09:01:23  mranga
 * Issue number:
 * Obtained from:
 * Submitted by:  jeroen van bemmel
 * Reviewed by:   mranga
 * Moved some changes from jain-sip-1.2 to java.net
 *
 * CVS: ----------------------------------------------------------------------
 * CVS: Issue number:
 * CVS:   If this change addresses one or more issues,
 * CVS:   then enter the issue number(s) here.
 * CVS: Obtained from:
 * CVS:   If this change has been taken from another system,
 * CVS:   then name the system in this line, otherwise delete it.
 * CVS: Submitted by:
 * CVS:   If this code has been contributed to the project by someone else; i.e.,
 * CVS:   they sent us a patch or a set of diffs, then include their name/email
 * CVS:   address here. If this is your work then delete this line.
 * CVS: Reviewed by:
 * CVS:   If we are doing pre-commit code reviews and someone else has
 * CVS:   reviewed your changes, include their name(s) here.
 * CVS:   If you have not had it reviewed then delete this line.
 *
 * Revision 1.3  2006/06/19 06:47:26  mranga
 * javadoc fixups
 *
 * Revision 1.2  2006/06/16 15:26:28  mranga
 * Added NIST disclaimer to all public domain files. Clean up some javadoc. Fixed a leak
 *
 * Revision 1.1.1.1  2005/10/04 17:12:35  mranga
 *
 * Import
 *
 *
 * Revision 1.3  2005/04/16 20:38:50  dmuresan
 * Canonical clone() implementations for the GenericObject and GenericObjectList hierarchies
 *
 * Revision 1.2  2004/01/22 13:26:29  sverker
 * Issue number:
 * Obtained from:
 * Submitted by:  sverker
 * Reviewed by:   mranga
 *
 * Major reformat of code to conform with style guide. Resolved compiler and javadoc warnings. Added CVS tags.
 *
 * CVS: ----------------------------------------------------------------------
 * CVS: Issue number:
 * CVS:   If this change addresses one or more issues,
 * CVS:   then enter the issue number(s) here.
 * CVS: Obtained from:
 * CVS:   If this change has been taken from another system,
 * CVS:   then name the system in this line, otherwise delete it.
 * CVS: Submitted by:
 * CVS:   If this code has been contributed to the project by someone else; i.e.,
 * CVS:   they sent us a patch or a set of diffs, then include their name/email
 * CVS:   address here. If this is your work then delete this line.
 * CVS: Reviewed by:
 * CVS:   If we are doing pre-commit code reviews and someone else has
 * CVS:   reviewed your changes, include their name(s) here.
 * CVS:   If you have not had it reviewed then delete this line.
 *
 */