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 gov.nist.core.*;
30import java.text.ParseException;
31
32/**
33 * Parser for AllowEvents header.
34 *
35 * @version 1.2 $Revision: 1.8 $ $Date: 2009/07/17 18:57:57 $
36 *
37 * @author Olivier Deruelle
38 * @author M. Ranganathan
39 *
40 *
41 */
42public class AllowEventsParser extends HeaderParser {
43
44    /**
45     * Creates a new instance of AllowEventsParser
46     * @param allowEvents the header to parse
47     */
48    public AllowEventsParser(String allowEvents) {
49        super(allowEvents);
50    }
51
52    /**
53     * Constructor
54     * @param lexer the lexer to use to parse the header
55     */
56    protected AllowEventsParser(Lexer lexer) {
57        super(lexer);
58    }
59
60    /**
61     * parse the AllowEvents String header
62     * @return SIPHeader (AllowEventsList object)
63     * @throws SIPParseException if the message does not respect the spec.
64     */
65    public SIPHeader parse() throws ParseException {
66
67        if (debug)
68            dbg_enter("AllowEventsParser.parse");
69        AllowEventsList list = new AllowEventsList();
70
71        try {
72            headerName(TokenTypes.ALLOW_EVENTS);
73
74            AllowEvents allowEvents = new AllowEvents();
75            allowEvents.setHeaderName(SIPHeaderNames.ALLOW_EVENTS);
76
77            this.lexer.SPorHT();
78            this.lexer.match(TokenTypes.ID);
79            Token token = lexer.getNextToken();
80            allowEvents.setEventType(token.getTokenValue());
81
82            list.add(allowEvents);
83            this.lexer.SPorHT();
84            while (lexer.lookAhead(0) == ',') {
85                this.lexer.match(',');
86                this.lexer.SPorHT();
87
88                allowEvents = new AllowEvents();
89                this.lexer.match(TokenTypes.ID);
90                token = lexer.getNextToken();
91                allowEvents.setEventType(token.getTokenValue());
92
93                list.add(allowEvents);
94                this.lexer.SPorHT();
95            }
96            this.lexer.SPorHT();
97            this.lexer.match('\n');
98
99            return list;
100        } finally {
101            if (debug)
102                dbg_leave("AllowEventsParser.parse");
103        }
104    }
105
106
107}
108/*
109 * $Log: AllowEventsParser.java,v $
110 * Revision 1.8  2009/07/17 18:57:57  emcho
111 * Converts indentation tabs to spaces so that we have a uniform indentation policy in the whole project.
112 *
113 * Revision 1.7  2006/07/13 09:02:01  mranga
114 * Issue number:
115 * Obtained from:
116 * Submitted by:  jeroen van bemmel
117 * Reviewed by:   mranga
118 * Moved some changes from jain-sip-1.2 to java.net
119 *
120 * CVS: ----------------------------------------------------------------------
121 * CVS: Issue number:
122 * CVS:   If this change addresses one or more issues,
123 * CVS:   then enter the issue number(s) here.
124 * CVS: Obtained from:
125 * CVS:   If this change has been taken from another system,
126 * CVS:   then name the system in this line, otherwise delete it.
127 * CVS: Submitted by:
128 * CVS:   If this code has been contributed to the project by someone else; i.e.,
129 * CVS:   they sent us a patch or a set of diffs, then include their name/email
130 * CVS:   address here. If this is your work then delete this line.
131 * CVS: Reviewed by:
132 * CVS:   If we are doing pre-commit code reviews and someone else has
133 * CVS:   reviewed your changes, include their name(s) here.
134 * CVS:   If you have not had it reviewed then delete this line.
135 *
136 * Revision 1.3  2006/06/19 06:47:27  mranga
137 * javadoc fixups
138 *
139 * Revision 1.2  2006/06/16 15:26:28  mranga
140 * Added NIST disclaimer to all public domain files. Clean up some javadoc. Fixed a leak
141 *
142 * Revision 1.1.1.1  2005/10/04 17:12:35  mranga
143 *
144 * Import
145 *
146 *
147 * Revision 1.5  2004/07/28 14:13:54  mranga
148 * Submitted by:  mranga
149 *
150 * Move out the test code to a separate test/unit class.
151 * Fixed some encode methods.
152 *
153 * Revision 1.4  2004/01/22 13:26:31  sverker
154 * Issue number:
155 * Obtained from:
156 * Submitted by:  sverker
157 * Reviewed by:   mranga
158 *
159 * Major reformat of code to conform with style guide. Resolved compiler and javadoc warnings. Added CVS tags.
160 *
161 * CVS: ----------------------------------------------------------------------
162 * CVS: Issue number:
163 * CVS:   If this change addresses one or more issues,
164 * CVS:   then enter the issue number(s) here.
165 * CVS: Obtained from:
166 * CVS:   If this change has been taken from another system,
167 * CVS:   then name the system in this line, otherwise delete it.
168 * CVS: Submitted by:
169 * CVS:   If this code has been contributed to the project by someone else; i.e.,
170 * CVS:   they sent us a patch or a set of diffs, then include their name/email
171 * CVS:   address here. If this is your work then delete this line.
172 * CVS: Reviewed by:
173 * CVS:   If we are doing pre-commit code reviews and someone else has
174 * CVS:   reviewed your changes, include their name(s) here.
175 * CVS:   If you have not had it reviewed then delete this line.
176 *
177 */
178