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1 /*
2 * Conditions Of Use
3 *
4 * This software was developed by employees of the National Institute of
5 * Standards and Technology (NIST), an agency of the Federal Government.
6 * Pursuant to title 15 Untied States Code Section 105, works of NIST
7 * employees are not subject to copyright protection in the United States
8 * and are considered to be in the public domain.  As a result, a formal
9 * license is not needed to use the software.
10 *
11 * This software is provided by NIST as a service and is expressly
12 * provided "AS IS."  NIST MAKES NO WARRANTY OF ANY KIND, EXPRESS, IMPLIED
13 * OR STATUTORY, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTY OF
14 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, NON-INFRINGEMENT
15 * AND DATA ACCURACY.  NIST does not warrant or make any representations
16 * regarding the use of the software or the results thereof, including but
17 * not limited to the correctness, accuracy, reliability or usefulness of
18 * the software.
19 *
20 * Permission to use this software is contingent upon your acceptance
21 * of the terms of this agreement
22 *
23 * .
24 *
25 */
26 package gov.nist.javax.sip.parser;
27 import java.text.ParseException;
28 import gov.nist.javax.sip.header.*;
29 
30 /**
31  * Parser for a list of route headers.
32  *
33  * @version 1.2
34  *
35  * @author Olivier Deruelle   <br/>
36  * @author M. Ranganathan   <br/>
37  *
38  *
39  *@version 1.0
40  */
41 public class RouteParser extends AddressParametersParser {
42 
43     /**
44      * Constructor
45      * @param route message to parse to set
46      */
RouteParser(String route)47     public RouteParser(String route) {
48         super(route);
49     }
50 
RouteParser(Lexer lexer)51     protected RouteParser(Lexer lexer) {
52         super(lexer);
53     }
54 
55     /** parse the String message and generate the Route List Object
56      * @return SIPHeader the Route List object
57      * @throws SIPParseException if errors occur during the parsing
58      */
parse()59     public SIPHeader parse() throws ParseException {
60         RouteList routeList = new RouteList();
61         if (debug)
62             dbg_enter("parse");
63 
64         try {
65             this.lexer.match(TokenTypes.ROUTE);
66             this.lexer.SPorHT();
67             this.lexer.match(':');
68             this.lexer.SPorHT();
69             while (true) {
70                 Route route = new Route();
71                 super.parse(route);
72                 routeList.add(route);
73                 this.lexer.SPorHT();
74                 char la = lexer.lookAhead(0);
75                 if (la == ',') {
76                     this.lexer.match(',');
77                     this.lexer.SPorHT();
78                 } else if (la == '\n')
79                     break;
80                 else
81                     throw createParseException("unexpected char");
82             }
83             return routeList;
84         } finally {
85             if (debug)
86                 dbg_leave("parse");
87         }
88 
89     }
90 
91     /**
92             public static void main(String args[]) throws ParseException {
93         String rou[] = {
94          "Route: <sip:alice@atlanta.com>\n",
95          "Route: sip:bob@biloxi.com \n",
96          "Route: sip:alice@atlanta.com, sip:bob@biloxi.com, sip:carol@chicago.com\n"
97              };
98 
99             for (int i = 0; i < rou.length; i++ ) {
100                 RouteParser rp =
101                   new RouteParser(rou[i]);
102                 RouteList routeList = (RouteList) rp.parse();
103                 System.out.println("encoded = " +routeList.encode());
104             }
105 
106         }
107 
108     */
109 }
110 /*
111  * $Log: RouteParser.java,v $
112  * Revision 1.8  2009/07/17 18:58:04  emcho
113  * Converts indentation tabs to spaces so that we have a uniform indentation policy in the whole project.
114  *
115  * Revision 1.7  2007/02/06 16:40:03  belangery
116  * Introduced simple code optimizations.
117  *
118  * Revision 1.6  2006/07/13 09:02:07  mranga
119  * Issue number:
120  * Obtained from:
121  * Submitted by:  jeroen van bemmel
122  * Reviewed by:   mranga
123  * Moved some changes from jain-sip-1.2 to java.net
124  *
125  * CVS: ----------------------------------------------------------------------
126  * CVS: Issue number:
127  * CVS:   If this change addresses one or more issues,
128  * CVS:   then enter the issue number(s) here.
129  * CVS: Obtained from:
130  * CVS:   If this change has been taken from another system,
131  * CVS:   then name the system in this line, otherwise delete it.
132  * CVS: Submitted by:
133  * CVS:   If this code has been contributed to the project by someone else; i.e.,
134  * CVS:   they sent us a patch or a set of diffs, then include their name/email
135  * CVS:   address here. If this is your work then delete this line.
136  * CVS: Reviewed by:
137  * CVS:   If we are doing pre-commit code reviews and someone else has
138  * CVS:   reviewed your changes, include their name(s) here.
139  * CVS:   If you have not had it reviewed then delete this line.
140  *
141  * Revision 1.3  2006/06/19 06:47:27  mranga
142  * javadoc fixups
143  *
144  * Revision 1.2  2006/06/16 15:26:28  mranga
145  * Added NIST disclaimer to all public domain files. Clean up some javadoc. Fixed a leak
146  *
147  * Revision 1.1.1.1  2005/10/04 17:12:36  mranga
148  *
149  * Import
150  *
151  *
152  * Revision 1.4  2004/01/22 13:26:32  sverker
153  * Issue number:
154  * Obtained from:
155  * Submitted by:  sverker
156  * Reviewed by:   mranga
157  *
158  * Major reformat of code to conform with style guide. Resolved compiler and javadoc warnings. Added CVS tags.
159  *
160  * CVS: ----------------------------------------------------------------------
161  * CVS: Issue number:
162  * CVS:   If this change addresses one or more issues,
163  * CVS:   then enter the issue number(s) here.
164  * CVS: Obtained from:
165  * CVS:   If this change has been taken from another system,
166  * CVS:   then name the system in this line, otherwise delete it.
167  * CVS: Submitted by:
168  * CVS:   If this code has been contributed to the project by someone else; i.e.,
169  * CVS:   they sent us a patch or a set of diffs, then include their name/email
170  * CVS:   address here. If this is your work then delete this line.
171  * CVS: Reviewed by:
172  * CVS:   If we are doing pre-commit code reviews and someone else has
173  * CVS:   reviewed your changes, include their name(s) here.
174  * CVS:   If you have not had it reviewed then delete this line.
175  *
176  */
177