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*/
26package gov.nist.javax.sip.parser;
27
28import javax.sip.*;
29import gov.nist.javax.sip.header.*;
30import java.text.ParseException;
31
32/**
33 * Parser for Max Forwards Header.
34 *
35 * @version 1.2 $Revision: 1.7 $ $Date: 2009/07/17 18:58:00 $
36 *
37 * @author M. Ranganathan   <br/>
38 *
39 *
40 */
41public class MaxForwardsParser extends HeaderParser {
42
43    public MaxForwardsParser(String contentLength) {
44        super(contentLength);
45    }
46
47    protected MaxForwardsParser(Lexer lexer) {
48        super(lexer);
49    }
50
51    public SIPHeader parse() throws ParseException {
52        if (debug)
53            dbg_enter("MaxForwardsParser.enter");
54        try {
55            MaxForwards contentLength = new MaxForwards();
56            headerName(TokenTypes.MAX_FORWARDS);
57            String number = this.lexer.number();
58            contentLength.setMaxForwards(Integer.parseInt(number));
59            this.lexer.SPorHT();
60            this.lexer.match('\n');
61            return contentLength;
62        } catch (InvalidArgumentException ex) {
63            throw createParseException(ex.getMessage());
64        } catch (NumberFormatException ex) {
65            throw createParseException(ex.getMessage());
66        } finally {
67            if (debug)
68                dbg_leave("MaxForwardsParser.leave");
69        }
70    }
71
72
73}
74/*
75 * $Log: MaxForwardsParser.java,v $
76 * Revision 1.7  2009/07/17 18:58:00  emcho
77 * Converts indentation tabs to spaces so that we have a uniform indentation policy in the whole project.
78 *
79 * Revision 1.6  2006/07/13 09:02:05  mranga
80 * Issue number:
81 * Obtained from:
82 * Submitted by:  jeroen van bemmel
83 * Reviewed by:   mranga
84 * Moved some changes from jain-sip-1.2 to java.net
85 *
86 * CVS: ----------------------------------------------------------------------
87 * CVS: Issue number:
88 * CVS:   If this change addresses one or more issues,
89 * CVS:   then enter the issue number(s) here.
90 * CVS: Obtained from:
91 * CVS:   If this change has been taken from another system,
92 * CVS:   then name the system in this line, otherwise delete it.
93 * CVS: Submitted by:
94 * CVS:   If this code has been contributed to the project by someone else; i.e.,
95 * CVS:   they sent us a patch or a set of diffs, then include their name/email
96 * CVS:   address here. If this is your work then delete this line.
97 * CVS: Reviewed by:
98 * CVS:   If we are doing pre-commit code reviews and someone else has
99 * CVS:   reviewed your changes, include their name(s) here.
100 * CVS:   If you have not had it reviewed then delete this line.
101 *
102 * Revision 1.3  2006/06/19 06:47:27  mranga
103 * javadoc fixups
104 *
105 * Revision 1.2  2006/06/16 15:26:28  mranga
106 * Added NIST disclaimer to all public domain files. Clean up some javadoc. Fixed a leak
107 *
108 * Revision 1.1.1.1  2005/10/04 17:12:35  mranga
109 *
110 * Import
111 *
112 *
113 * Revision 1.4  2004/08/10 21:35:44  mranga
114 * Reviewed by:   mranga
115 * move test cases out to another package
116 *
117 * Revision 1.3  2004/01/22 13:26:31  sverker
118 * Issue number:
119 * Obtained from:
120 * Submitted by:  sverker
121 * Reviewed by:   mranga
122 *
123 * Major reformat of code to conform with style guide. Resolved compiler and javadoc warnings. Added CVS tags.
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 */
142