content: /*
  * 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 gov2.nist.javax2.sip.parser;
  
  import gov2.nist.javax2.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.
   *
   */
  