206 lines
7.0 KiB
Java
206 lines
7.0 KiB
Java
/*
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* Conditions Of Use
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*
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* This software was developed by employees of the National Institute of
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* Standards and Technology (NIST), an agency of the Federal Government.
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* Pursuant to title 15 Untied States Code Section 105, works of NIST
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* employees are not subject to copyright protection in the United States
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* and are considered to be in the public domain. As a result, a formal
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* license is not needed to use the software.
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*
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* This software is provided by NIST as a service and is expressly
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* provided "AS IS." NIST MAKES NO WARRANTY OF ANY KIND, EXPRESS, IMPLIED
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* OR STATUTORY, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTY OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, NON-INFRINGEMENT
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* AND DATA ACCURACY. NIST does not warrant or make any representations
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* regarding the use of the software or the results thereof, including but
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* not limited to the correctness, accuracy, reliability or usefulness of
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* the software.
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*
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* Permission to use this software is contingent upon your acceptance
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* of the terms of this agreement
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*
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* .
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*
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*/
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package gov.nist.javax.sip.parser;
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import gov.nist.javax.sip.header.*;
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import java.text.ParseException;
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/**
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* Parser for Server header.
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*
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* @version 1.2 $Revision: 1.9 $ $Date: 2009/07/17 18:58:05 $
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*
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* @author Olivier Deruelle <br/>
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* @author M. Ranganathan <br/>
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*
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*
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*/
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public class ServerParser extends HeaderParser {
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/**
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* Creates a new instance of ServerParser
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* @param server the header to parse
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*/
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public ServerParser(String server) {
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super(server);
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}
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/**
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* Constructor
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* @param lexer the lexer to use to parse the header
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*/
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protected ServerParser(Lexer lexer) {
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super(lexer);
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}
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/**
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* parse the String server
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* @return SIPHeader (Server object)
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* @throws SIPParseException if the message does not respect the spec.
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*/
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public SIPHeader parse() throws ParseException {
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if (debug)
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dbg_enter("ServerParser.parse");
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Server server = new Server();
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try {
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headerName(TokenTypes.SERVER);
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if (this.lexer.lookAhead(0) == '\n')
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throw createParseException("empty header");
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// mandatory token: product[/product-version] | (comment)
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while (this.lexer.lookAhead(0) != '\n'
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&& this.lexer.lookAhead(0) != '\0') {
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if (this.lexer.lookAhead(0) == '(') {
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String comment = this.lexer.comment();
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server.addProductToken('(' + comment + ')');
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} else {
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String tok;
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int marker = 0;
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try {
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marker = this.lexer.markInputPosition();
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tok = this.lexer.getString('/');
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if (tok.charAt(tok.length() - 1) == '\n')
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tok = tok.trim();
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server.addProductToken(tok);
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} catch (ParseException ex) {
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this.lexer.rewindInputPosition(marker);
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tok = this.lexer.getRest().trim();
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server.addProductToken(tok);
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break;
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}
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}
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}
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} finally {
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if (debug)
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dbg_leave("ServerParser.parse");
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}
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return server;
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}
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/*
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public static void main(String args[]) throws ParseException {
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String server[] = {
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"Server: Softphone/Beta1.5 \n",
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"Server: HomeServer v2\n",
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"Server: Nist/Beta1 (beta version) \n",
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"Server: Nist proxy (beta version)\n",
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"Server: Nist1.0/Beta2 UbiServer/vers.1.0 (new stuff) (Cool) \n",
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"Server: Sip EXpress router (0.8.11 (sparc64/solaris))\n"
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};
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for (int i = 0; i < server.length; i++ ) {
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ServerParser parser =
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new ServerParser(server[i]);
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Server s= (Server) parser.parse();
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System.out.println("encoded = " + s.encode());
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}
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}
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*/
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}
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/*
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* $Log: ServerParser.java,v $
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* Revision 1.9 2009/07/17 18:58:05 emcho
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* Converts indentation tabs to spaces so that we have a uniform indentation policy in the whole project.
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*
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* Revision 1.8 2006/07/13 09:02:16 mranga
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* Issue number:
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* Obtained from:
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* Submitted by: jeroen van bemmel
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* Reviewed by: mranga
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* Moved some changes from jain-sip-1.2 to java.net
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*
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* CVS: ----------------------------------------------------------------------
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* CVS: Issue number:
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* CVS: If this change addresses one or more issues,
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* CVS: then enter the issue number(s) here.
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* CVS: Obtained from:
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* CVS: If this change has been taken from another system,
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* CVS: then name the system in this line, otherwise delete it.
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* CVS: Submitted by:
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* CVS: If this code has been contributed to the project by someone else; i.e.,
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* CVS: they sent us a patch or a set of diffs, then include their name/email
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* CVS: address here. If this is your work then delete this line.
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* CVS: Reviewed by:
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* CVS: If we are doing pre-commit code reviews and someone else has
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* CVS: reviewed your changes, include their name(s) here.
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* CVS: If you have not had it reviewed then delete this line.
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*
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* Revision 1.4 2006/06/19 06:47:27 mranga
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* javadoc fixups
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*
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* Revision 1.3 2006/06/17 10:18:14 mranga
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* Added some synchronization to the sequence number checking.
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* Small javadoc fixups
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*
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* Revision 1.2 2006/06/16 15:26:28 mranga
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* Added NIST disclaimer to all public domain files. Clean up some javadoc. Fixed a leak
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*
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* Revision 1.1.1.1 2005/10/04 17:12:36 mranga
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*
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* Import
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*
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*
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* Revision 1.6 2004/01/30 17:10:47 mranga
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* Reviewed by: mranga
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* Server and user agent parser leave an extra Linefeed at the end of token.
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*
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* Revision 1.5 2004/01/27 13:52:11 mranga
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* Reviewed by: mranga
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* Fixed server/user-agent parser.
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* suppress sending ack to TU when retransFilter is enabled and ack is retransmitted.
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*
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* Revision 1.4 2004/01/22 13:26:32 sverker
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* Issue number:
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* Obtained from:
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* Submitted by: sverker
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* Reviewed by: mranga
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*
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* Major reformat of code to conform with style guide. Resolved compiler and javadoc warnings. Added CVS tags.
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*
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* CVS: ----------------------------------------------------------------------
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* CVS: Issue number:
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* CVS: If this change addresses one or more issues,
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* CVS: then enter the issue number(s) here.
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* CVS: Obtained from:
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* CVS: If this change has been taken from another system,
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* CVS: then name the system in this line, otherwise delete it.
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* CVS: Submitted by:
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* CVS: If this code has been contributed to the project by someone else; i.e.,
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* CVS: they sent us a patch or a set of diffs, then include their name/email
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* CVS: address here. If this is your work then delete this line.
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* CVS: Reviewed by:
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* CVS: If we are doing pre-commit code reviews and someone else has
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* CVS: reviewed your changes, include their name(s) here.
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* CVS: If you have not had it reviewed then delete this line.
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*
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*/
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