/*
* 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 <br/>
* @author M. Ranganathan <br/>
*
*
*/
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.
*
*/