/* * 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 * * . * */ package gov.nist.javax.sip.parser; import gov.nist.javax.sip.header.*; import java.text.ParseException; /** * Parser for Server header. * * @version 1.2 $Revision: 1.9 $ $Date: 2009/07/17 18:58:05 $ * * @author Olivier Deruelle
* @author M. Ranganathan
* * */ public class ServerParser extends HeaderParser { /** * Creates a new instance of ServerParser * @param server the header to parse */ public ServerParser(String server) { super(server); } /** * Constructor * @param lexer the lexer to use to parse the header */ protected ServerParser(Lexer lexer) { super(lexer); } /** * parse the String server * @return SIPHeader (Server object) * @throws SIPParseException if the message does not respect the spec. */ public SIPHeader parse() throws ParseException { if (debug) dbg_enter("ServerParser.parse"); Server server = new Server(); try { headerName(TokenTypes.SERVER); if (this.lexer.lookAhead(0) == '\n') throw createParseException("empty header"); // mandatory token: product[/product-version] | (comment) while (this.lexer.lookAhead(0) != '\n' && this.lexer.lookAhead(0) != '\0') { if (this.lexer.lookAhead(0) == '(') { String comment = this.lexer.comment(); server.addProductToken('(' + comment + ')'); } else { String tok; int marker = 0; try { marker = this.lexer.markInputPosition(); tok = this.lexer.getString('/'); if (tok.charAt(tok.length() - 1) == '\n') tok = tok.trim(); server.addProductToken(tok); } catch (ParseException ex) { this.lexer.rewindInputPosition(marker); tok = this.lexer.getRest().trim(); server.addProductToken(tok); break; } } } } finally { if (debug) dbg_leave("ServerParser.parse"); } return server; } /* public static void main(String args[]) throws ParseException { String server[] = { "Server: Softphone/Beta1.5 \n", "Server: HomeServer v2\n", "Server: Nist/Beta1 (beta version) \n", "Server: Nist proxy (beta version)\n", "Server: Nist1.0/Beta2 UbiServer/vers.1.0 (new stuff) (Cool) \n", "Server: Sip EXpress router (0.8.11 (sparc64/solaris))\n" }; for (int i = 0; i < server.length; i++ ) { ServerParser parser = new ServerParser(server[i]); Server s= (Server) parser.parse(); System.out.println("encoded = " + s.encode()); } } */ } /* * $Log: ServerParser.java,v $ * Revision 1.9 2009/07/17 18:58:05 emcho * Converts indentation tabs to spaces so that we have a uniform indentation policy in the whole project. * * Revision 1.8 2006/07/13 09:02:16 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 1.4 2006/06/19 06:47:27 mranga * javadoc fixups * * Revision 1.3 2006/06/17 10:18:14 mranga * Added some synchronization to the sequence number checking. * Small 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 17:12:36 mranga * * Import * * * Revision 1.6 2004/01/30 17:10:47 mranga * Reviewed by: mranga * Server and user agent parser leave an extra Linefeed at the end of token. * * Revision 1.5 2004/01/27 13:52:11 mranga * Reviewed by: mranga * Fixed server/user-agent parser. * suppress sending ack to TU when retransFilter is enabled and ack is retransmitted. * * Revision 1.4 2004/01/22 13:26:32 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. * */