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 java.text.ParseException;
30 import 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  */
42 public class ExpiresParser extends HeaderParser {
43 
44     /**
45      * protected constructor.
46      * @param text is the text of the header to parse
47      */
ExpiresParser(String text)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      */
ExpiresParser(Lexer lexer)56     protected ExpiresParser(Lexer lexer) {
57         super(lexer);
58     }
59 
60     /**
61      * Parse the header.
62      */
parse()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