/* * 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 java.text.ParseException; import javax.sip.header.*; /** * the UserAgent SIPObject. * * @author Olivier Deruelle <br/> * @version 1.2 $Revision: 1.8 $ $Date: 2009/07/17 18:57:40 $ * * * */ public class UserAgent extends SIPHeader implements UserAgentHeader { /** * Comment for <code>serialVersionUID</code> */ private static final long serialVersionUID = 4561239179796364295L; /** Product tokens. */ protected List productTokens; /** * Return canonical form. * pmusgrave - put a space between products (preserves format of header) * @return String */ private String encodeProduct() { StringBuffer tokens = new StringBuffer(); ListIterator it = productTokens.listIterator(); while (it.hasNext()) { tokens.append((String) it.next()); } return tokens.toString(); } /** set the productToken field * @param pt String to set */ public void addProductToken(String pt) { productTokens.add(pt); } /** * Constructor. */ public UserAgent() { super(NAME); productTokens = new LinkedList(); } /** Encode only the body of this header. *@return encoded value of the header. */ public String encodeBody() { return encodeProduct(); } /** * Returns the list value of the product parameter. * * @return the software of this UserAgentHeader */ public ListIterator getProduct() { if (productTokens == null || productTokens.isEmpty()) return null; else return productTokens.listIterator(); } /** * Sets the product value of the UserAgentHeader. * * @param product - a List specifying the product value * @throws ParseException which signals that an error has been reached * unexpectedly while parsing the product value. */ public void setProduct(List product) throws ParseException { if (product == null) throw new NullPointerException( "JAIN-SIP Exception, UserAgent, " + "setProduct(), the " + " product parameter is null"); productTokens = product; } public Object clone() { UserAgent retval = (UserAgent) super.clone(); if (productTokens != null) retval.productTokens = new LinkedList (productTokens); return retval; } } /* * $Log: UserAgent.java,v $ * Revision 1.8 2009/07/17 18:57:40 emcho * Converts indentation tabs to spaces so that we have a uniform indentation policy in the whole project. * * Revision 1.7 2008/07/30 14:36:06 mranga * Issue number: * Obtained from: * Submitted by: mranga * Reviewed by: mranga * Fix minor issue in encoding of user-agent header. * * Revision 1.6 2006/10/12 11:57:55 pmusgrave * Issue number: 79, 80 * Submitted by: pmusgrave@newheights.com * Reviewed by: mranga * * Revision 1.5 2006/07/13 09:01:48 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 1.3 2005/04/16 20:38:51 dmuresan * Canonical clone() implementations for the GenericObject and GenericObjectList hierarchies * * Revision 1.2 2004/01/22 13:26:30 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. * */