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 gov.nist.javax.sip.header.*;
29import java.text.ParseException;
30import javax.sip.*;
31
32/**
33 * Parser for SIP Expires Parser. Converts from SIP Date to the
34 * internal storage (Calendar).
35 *
36 * @version 1.2 $Revision: 1.8 $ $Date: 2009/07/17 18:58:00 $
37 *
38 * @author M. Ranganathan   <br/>
39 *
40 *
41 */
42public class ExpiresParser extends HeaderParser {
43
44    /**
45     * protected constructor.
46     * @param text is the text of the header to parse
47     */
48    public ExpiresParser(String text) {
49        super(text);
50    }
51
52    /**
53     * constructor.
54     * @param lexer is the lexer passed in from the enclosing parser.
55     */
56    protected ExpiresParser(Lexer lexer) {
57        super(lexer);
58    }
59
60    /**
61     * Parse the header.
62     */
63    public SIPHeader parse() throws ParseException {
64        Expires expires = new Expires();
65        if (debug)
66            dbg_enter("parse");
67        try {
68            lexer.match(TokenTypes.EXPIRES);
69            lexer.SPorHT();
70            lexer.match(':');
71            lexer.SPorHT();
72            String nextId = lexer.getNextId();
73            lexer.match('\n');
74            try {
75                int delta = Integer.parseInt(nextId);
76                expires.setExpires(delta);
77                return expires;
78            } catch (NumberFormatException ex) {
79                throw createParseException("bad integer format");
80            } catch (InvalidArgumentException ex) {
81                throw createParseException(ex.getMessage());
82            }
83        } finally {
84            if (debug)
85                dbg_leave("parse");
86        }
87
88    }
89
90
91
92}
93/*
94 * $Log: ExpiresParser.java,v $
95 * Revision 1.8  2009/07/17 18:58:00  emcho
96 * Converts indentation tabs to spaces so that we have a uniform indentation policy in the whole project.
97 *
98 * Revision 1.7  2006/07/13 09:02:12  mranga
99 * Issue number:
100 * Obtained from:
101 * Submitted by:  jeroen van bemmel
102 * Reviewed by:   mranga
103 * Moved some changes from jain-sip-1.2 to java.net
104 *
105 * CVS: ----------------------------------------------------------------------
106 * CVS: Issue number:
107 * CVS:   If this change addresses one or more issues,
108 * CVS:   then enter the issue number(s) here.
109 * CVS: Obtained from:
110 * CVS:   If this change has been taken from another system,
111 * CVS:   then name the system in this line, otherwise delete it.
112 * CVS: Submitted by:
113 * CVS:   If this code has been contributed to the project by someone else; i.e.,
114 * CVS:   they sent us a patch or a set of diffs, then include their name/email
115 * CVS:   address here. If this is your work then delete this line.
116 * CVS: Reviewed by:
117 * CVS:   If we are doing pre-commit code reviews and someone else has
118 * CVS:   reviewed your changes, include their name(s) here.
119 * CVS:   If you have not had it reviewed then delete this line.
120 *
121 * Revision 1.3  2006/06/19 06:47:27  mranga
122 * javadoc fixups
123 *
124 * Revision 1.2  2006/06/16 15:26:28  mranga
125 * Added NIST disclaimer to all public domain files. Clean up some javadoc. Fixed a leak
126 *
127 * Revision 1.1.1.1  2005/10/04 17:12:35  mranga
128 *
129 * Import
130 *
131 *
132 * Revision 1.5  2004/08/10 21:35:44  mranga
133 * Reviewed by:   mranga
134 * move test cases out to another package
135 *
136 * Revision 1.4  2004/01/22 13:26:31  sverker
137 * Issue number:
138 * Obtained from:
139 * Submitted by:  sverker
140 * Reviewed by:   mranga
141 *
142 * Major reformat of code to conform with style guide. Resolved compiler and javadoc warnings. Added CVS tags.
143 *
144 * CVS: ----------------------------------------------------------------------
145 * CVS: Issue number:
146 * CVS:   If this change addresses one or more issues,
147 * CVS:   then enter the issue number(s) here.
148 * CVS: Obtained from:
149 * CVS:   If this change has been taken from another system,
150 * CVS:   then name the system in this line, otherwise delete it.
151 * CVS: Submitted by:
152 * CVS:   If this code has been contributed to the project by someone else; i.e.,
153 * CVS:   they sent us a patch or a set of diffs, then include their name/email
154 * CVS:   address here. If this is your work then delete this line.
155 * CVS: Reviewed by:
156 * CVS:   If we are doing pre-commit code reviews and someone else has
157 * CVS:   reviewed your changes, include their name(s) here.
158 * CVS:   If you have not had it reviewed then delete this line.
159 *
160 */
161