/* * 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.text.ParseException; import javax.sip.header.*; /** * Supported SIP Header. * * @version 1.2 $Revision: 1.5 $ $Date: 2009/07/17 18:57:39 $ * * @author M. Ranganathan
* @author Olivier Deruelle
* * * */ public class Subject extends SIPHeader implements SubjectHeader { /** * Comment for serialVersionUID */ private static final long serialVersionUID = -6479220126758862528L; /** subject field */ protected String subject; /** Default Constructor. */ public Subject() { super(SUBJECT); } /** * Generate the canonical form. * @return String. */ public String encodeBody() { if (subject != null) { return subject; } else { return ""; } } /** * Sets the subject value of the SubjectHeader to the supplied string * subject value. * * @param subject - the new subject value of this header * @throws ParseException which signals that an error has been reached * unexpectedly while parsing the subject value. */ public void setSubject(String subject) throws ParseException { if (subject == null) throw new NullPointerException( "JAIN-SIP Exception, " + " Subject, setSubject(), the subject parameter is null"); this.subject = subject; } /** * Gets the subject value of SubjectHeader * * @return subject of SubjectHeader */ public String getSubject() { return subject; } } /* * $Log: Subject.java,v $ * Revision 1.5 2009/07/17 18:57:39 emcho * Converts indentation tabs to spaces so that we have a uniform indentation policy in the whole project. * * Revision 1.4 2006/07/13 09:01:21 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 06:47:27 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 1.2 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. * */