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.RecordRoute;
  import gov2.nist.javax2.sip.header.RecordRouteList;
  import gov2.nist.javax2.sip.header.SIPHeader;
  
  import java.text.ParseException;
  
  /**
   * Parser for a list of route headers.
   *
   * @version 1.2 $Revision: 1.9 $ $Date: 2009/07/17 18:58:03 $
   *
   * @author Olivier Deruelle   <br/>
   * @author M. Ranganathan   <br/>
   *
   */
  public class RecordRouteParser extends AddressParametersParser {
  
      /**
       * Constructor
       * @param recordRoute message to parse to set
       */
      public RecordRouteParser(String recordRoute) {
          super(recordRoute);
      }
  
      protected RecordRouteParser(Lexer lexer) {
          super(lexer);
      }
  
      /**
       * parse the String message and generate the RecordRoute List Object
       * @return SIPHeader the RecordRoute List object
       * @throws ParseException if errors occur during the parsing
       */
      public SIPHeader parse() throws ParseException {
          RecordRouteList recordRouteList = new RecordRouteList();
  
          if (debug)
              dbg_enter("RecordRouteParser.parse");
  
          try {
              this.lexer.match(TokenTypes.RECORD_ROUTE);
              this.lexer.SPorHT();
              this.lexer.match(':');
              this.lexer.SPorHT();
              while (true) {
                  RecordRoute recordRoute = new RecordRoute();
                  super.parse(recordRoute);
                  recordRouteList.add(recordRoute);
                  this.lexer.SPorHT();
                  char la = lexer.lookAhead(0);
                  if (la == ',') {
                      this.lexer.match(',');
                      this.lexer.SPorHT();
                  } else if (la == '\n')
                      break;
                  else
                      throw createParseException("unexpected char");
              }
              return recordRouteList;
          } finally {
              if (debug)
                  dbg_leave("RecordRouteParser.parse");
          }
  
      }
  
  
  }
  