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/*
* 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
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*
* .
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*/
package gov.nist.javax.sip.parser.chars;
import java.text.ParseException;
import gov.nist.javax.sip.header.*;

/**
 * Parser for a list of route headers.
 *
 * @version 1.2
 *
 * @author Olivier Deruelle
 * @author M. Ranganathan
 *
 *
 *@version 1.0
 */
public class RouteParser extends AddressParametersParser {

    /**
     * Constructor
     * @param route message to parse to set
     */
    public RouteParser(char[] route) {
        super(route);
    }

    protected RouteParser(Lexer lexer) {
        super(lexer);
    }

    /** parse the String message and generate the Route List Object
     * @return SIPHeader the Route List object
     * @throws ParseException if errors occur during the parsing
     */
    public SIPHeader parse() throws ParseException {
        RouteList routeList = new RouteList();
        if (debug)
            dbg_enter("parse");

        try {
            this.lexer.match(TokenTypes.ROUTE);
            this.lexer.SPorHT();
            this.lexer.match(':');
            this.lexer.SPorHT();
            while (true) {
                Route route = new Route();
                super.parse(route);
                routeList.add(route);
                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 routeList;
        } finally {
            if (debug)
                dbg_leave("parse");
        }

    }

    /**
            public static void main(String args[]) throws ParseException {
        String rou[] = {
         "Route: \n",
         "Route: sip:[email protected] \n",
         "Route: sip:[email protected], sip:[email protected], sip:[email protected]\n"
             };

            for (int i = 0; i < rou.length; i++ ) {
                RouteParser rp =
                  new RouteParser(rou[i]);
                RouteList routeList = (RouteList) rp.parse();
                System.out.println("encoded = " +routeList.encode());
            }

        }

    */
}
/*
 * $Log: RouteParser.java,v $
 * Revision 1.8  2009/07/17 18:58:04  emcho
 * Converts indentation tabs to spaces so that we have a uniform indentation policy in the whole project.
 *
 * Revision 1.7  2007/02/06 16:40:03  belangery
 * Introduced simple code optimizations.
 *
 * Revision 1.6  2006/07/13 09:02:07  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 1.3  2006/06/19 06:47:27  mranga
 * 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 1.4  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.
 *
 */




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