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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 
28 import gov.nist.javax.sip.header.*;
29 import gov.nist.core.*;
30 import java.text.ParseException;
31 
32 /**
33  * Parser for InReplyTo header.
34  *
35  * @version 1.2 $Revision: 1.8 $ $Date: 2009/07/17 18:58:00 $
36  *
37  * @author Olivier Deruelle   <br/>
38  * @author M. Ranganathan   <br/>
39  *
40  *
41  */
42 public class InReplyToParser extends HeaderParser {
43 
44     /**
45      * Creates a new instance of InReplyToParser
46      * @param inReplyTo the header to parse
47      */
InReplyToParser(String inReplyTo)48     public InReplyToParser(String inReplyTo) {
49         super(inReplyTo);
50     }
51 
52     /**
53      * Constructor
54      * @param lexer the lexer to use to parse the header
55      */
InReplyToParser(Lexer lexer)56     protected InReplyToParser(Lexer lexer) {
57         super(lexer);
58     }
59 
60     /**
61      * parse the String message
62      * @return SIPHeader (InReplyToList object)
63      * @throws SIPParseException if the message does not respect the spec.
64      */
parse()65     public SIPHeader parse() throws ParseException {
66 
67         if (debug)
68             dbg_enter("InReplyToParser.parse");
69         InReplyToList list = new InReplyToList();
70 
71         try {
72             headerName(TokenTypes.IN_REPLY_TO);
73 
74             while (lexer.lookAhead(0) != '\n') {
75                 InReplyTo inReplyTo = new InReplyTo();
76                 inReplyTo.setHeaderName(SIPHeaderNames.IN_REPLY_TO);
77 
78                 this.lexer.match(TokenTypes.ID);
79                 Token token = lexer.getNextToken();
80                 if (lexer.lookAhead(0) == '@') {
81                     this.lexer.match('@');
82                     this.lexer.match(TokenTypes.ID);
83                     Token secToken = lexer.getNextToken();
84                     inReplyTo.setCallId(
85                         token.getTokenValue() + "@" + secToken.getTokenValue());
86                 } else {
87                     inReplyTo.setCallId(token.getTokenValue());
88                 }
89 
90                 this.lexer.SPorHT();
91 
92                 list.add(inReplyTo);
93 
94                 while (lexer.lookAhead(0) == ',') {
95                     this.lexer.match(',');
96                     this.lexer.SPorHT();
97 
98                     inReplyTo = new InReplyTo();
99 
100                     this.lexer.match(TokenTypes.ID);
101                     token = lexer.getNextToken();
102                     if (lexer.lookAhead(0) == '@') {
103                         this.lexer.match('@');
104                         this.lexer.match(TokenTypes.ID);
105                         Token secToken = lexer.getNextToken();
106                         inReplyTo.setCallId(
107                             token.getTokenValue()
108                                 + "@"
109                                 + secToken.getTokenValue());
110                     } else {
111                         inReplyTo.setCallId(token.getTokenValue());
112                     }
113 
114                     list.add(inReplyTo);
115                 }
116             }
117 
118             return list;
119         } finally {
120             if (debug)
121                 dbg_leave("InReplyToParser.parse");
122         }
123     }
124 
125 
126 }
127 /*
128  * $Log: InReplyToParser.java,v $
129  * Revision 1.8  2009/07/17 18:58:00  emcho
130  * Converts indentation tabs to spaces so that we have a uniform indentation policy in the whole project.
131  *
132  * Revision 1.7  2006/07/13 09:02:18  mranga
133  * Issue number:
134  * Obtained from:
135  * Submitted by:  jeroen van bemmel
136  * Reviewed by:   mranga
137  * Moved some changes from jain-sip-1.2 to java.net
138  *
139  * CVS: ----------------------------------------------------------------------
140  * CVS: Issue number:
141  * CVS:   If this change addresses one or more issues,
142  * CVS:   then enter the issue number(s) here.
143  * CVS: Obtained from:
144  * CVS:   If this change has been taken from another system,
145  * CVS:   then name the system in this line, otherwise delete it.
146  * CVS: Submitted by:
147  * CVS:   If this code has been contributed to the project by someone else; i.e.,
148  * CVS:   they sent us a patch or a set of diffs, then include their name/email
149  * CVS:   address here. If this is your work then delete this line.
150  * CVS: Reviewed by:
151  * CVS:   If we are doing pre-commit code reviews and someone else has
152  * CVS:   reviewed your changes, include their name(s) here.
153  * CVS:   If you have not had it reviewed then delete this line.
154  *
155  * Revision 1.3  2006/06/19 06:47:27  mranga
156  * javadoc fixups
157  *
158  * Revision 1.2  2006/06/16 15:26:28  mranga
159  * Added NIST disclaimer to all public domain files. Clean up some javadoc. Fixed a leak
160  *
161  * Revision 1.1.1.1  2005/10/04 17:12:35  mranga
162  *
163  * Import
164  *
165  *
166  * Revision 1.5  2004/08/10 21:35:44  mranga
167  * Reviewed by:   mranga
168  * move test cases out to another package
169  *
170  * Revision 1.4  2004/01/22 13:26:31  sverker
171  * Issue number:
172  * Obtained from:
173  * Submitted by:  sverker
174  * Reviewed by:   mranga
175  *
176  * Major reformat of code to conform with style guide. Resolved compiler and javadoc warnings. Added CVS tags.
177  *
178  * CVS: ----------------------------------------------------------------------
179  * CVS: Issue number:
180  * CVS:   If this change addresses one or more issues,
181  * CVS:   then enter the issue number(s) here.
182  * CVS: Obtained from:
183  * CVS:   If this change has been taken from another system,
184  * CVS:   then name the system in this line, otherwise delete it.
185  * CVS: Submitted by:
186  * CVS:   If this code has been contributed to the project by someone else; i.e.,
187  * CVS:   they sent us a patch or a set of diffs, then include their name/email
188  * CVS:   address here. If this is your work then delete this line.
189  * CVS: Reviewed by:
190  * CVS:   If we are doing pre-commit code reviews and someone else has
191  * CVS:   reviewed your changes, include their name(s) here.
192  * CVS:   If you have not had it reviewed then delete this line.
193  *
194  */
195