• Home
  • Line#
  • Scopes#
  • Navigate#
  • Raw
  • Download
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 import javax.sip.*;
32 
33 /**
34  * Parser for SubscriptionState header.
35  *
36  * @version 1.2 $Revision: 1.7 $ $Date: 2009/07/17 18:58:05 $
37  *
38  * @author Olivier Deruelle
39  * @author M. Ranganathan
40  *
41  */
42 public class SubscriptionStateParser extends HeaderParser {
43 
44     /**
45      * Creates a new instance of SubscriptionStateParser
46      * @param subscriptionState the header to parse
47      */
SubscriptionStateParser(String subscriptionState)48     public SubscriptionStateParser(String subscriptionState) {
49         super(subscriptionState);
50     }
51 
52     /**
53      * Constructor
54      * @param lexer the lexer to use to parse the header
55      */
SubscriptionStateParser(Lexer lexer)56     protected SubscriptionStateParser(Lexer lexer) {
57         super(lexer);
58     }
59 
60     /**
61      * parse the String message
62      * @return SIPHeader (SubscriptionState  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("SubscriptionStateParser.parse");
69 
70         SubscriptionState subscriptionState = new SubscriptionState();
71         try {
72             headerName(TokenTypes.SUBSCRIPTION_STATE);
73 
74             subscriptionState.setHeaderName(SIPHeaderNames.SUBSCRIPTION_STATE);
75 
76             // State:
77             lexer.match(TokenTypes.ID);
78             Token token = lexer.getNextToken();
79             subscriptionState.setState(token.getTokenValue());
80 
81             while (lexer.lookAhead(0) == ';') {
82                 this.lexer.match(';');
83                 this.lexer.SPorHT();
84                 lexer.match(TokenTypes.ID);
85                 token = lexer.getNextToken();
86                 String value = token.getTokenValue();
87                 if (value.equalsIgnoreCase("reason")) {
88                     this.lexer.match('=');
89                     this.lexer.SPorHT();
90                     lexer.match(TokenTypes.ID);
91                     token = lexer.getNextToken();
92                     value = token.getTokenValue();
93                     subscriptionState.setReasonCode(value);
94                 } else if (value.equalsIgnoreCase("expires")) {
95                     this.lexer.match('=');
96                     this.lexer.SPorHT();
97                     lexer.match(TokenTypes.ID);
98                     token = lexer.getNextToken();
99                     value = token.getTokenValue();
100                     try {
101                         int expires = Integer.parseInt(value);
102                         subscriptionState.setExpires(expires);
103                     } catch (NumberFormatException ex) {
104                         throw createParseException(ex.getMessage());
105                     } catch (InvalidArgumentException ex) {
106                         throw createParseException(ex.getMessage());
107                     }
108                 } else if (value.equalsIgnoreCase("retry-after")) {
109                     this.lexer.match('=');
110                     this.lexer.SPorHT();
111                     lexer.match(TokenTypes.ID);
112                     token = lexer.getNextToken();
113                     value = token.getTokenValue();
114                     try {
115                         int retryAfter = Integer.parseInt(value);
116                         subscriptionState.setRetryAfter(retryAfter);
117                     } catch (NumberFormatException ex) {
118                         throw createParseException(ex.getMessage());
119                     } catch (InvalidArgumentException ex) {
120                         throw createParseException(ex.getMessage());
121                     }
122                 } else {
123                     this.lexer.match('=');
124                     this.lexer.SPorHT();
125                     lexer.match(TokenTypes.ID);
126                     Token secondToken = lexer.getNextToken();
127                     String secondValue = secondToken.getTokenValue();
128                     subscriptionState.setParameter(value, secondValue);
129                 }
130                 this.lexer.SPorHT();
131             }
132         } finally {
133             if (debug)
134                 dbg_leave("SubscriptionStateParser.parse");
135         }
136 
137         return subscriptionState;
138     }
139 
140     /** Test program
141     public static void main(String args[]) throws ParseException {
142         String subscriptionState[] = {
143             "Subscription-State: active \n",
144             "Subscription-State: terminated;reason=rejected \n",
145             "Subscription-State: pending;reason=probation;expires=36\n",
146             "Subscription-State: pending;retry-after=10;expires=36\n",
147             "Subscription-State: pending;generic=void\n"
148         };
149 
150         for (int i = 0; i < subscriptionState.length; i++ ) {
151             SubscriptionStateParser parser =
152             new SubscriptionStateParser(subscriptionState[i]);
153             SubscriptionState ss= (SubscriptionState) parser.parse();
154             System.out.println("encoded = " + ss.encode());
155         }
156     }
157      */
158 }
159 /*
160  * $Log: SubscriptionStateParser.java,v $
161  * Revision 1.7  2009/07/17 18:58:05  emcho
162  * Converts indentation tabs to spaces so that we have a uniform indentation policy in the whole project.
163  *
164  * Revision 1.6  2006/07/13 09:02:25  mranga
165  * Issue number:
166  * Obtained from:
167  * Submitted by:  jeroen van bemmel
168  * Reviewed by:   mranga
169  * Moved some changes from jain-sip-1.2 to java.net
170  *
171  * CVS: ----------------------------------------------------------------------
172  * CVS: Issue number:
173  * CVS:   If this change addresses one or more issues,
174  * CVS:   then enter the issue number(s) here.
175  * CVS: Obtained from:
176  * CVS:   If this change has been taken from another system,
177  * CVS:   then name the system in this line, otherwise delete it.
178  * CVS: Submitted by:
179  * CVS:   If this code has been contributed to the project by someone else; i.e.,
180  * CVS:   they sent us a patch or a set of diffs, then include their name/email
181  * CVS:   address here. If this is your work then delete this line.
182  * CVS: Reviewed by:
183  * CVS:   If we are doing pre-commit code reviews and someone else has
184  * CVS:   reviewed your changes, include their name(s) here.
185  * CVS:   If you have not had it reviewed then delete this line.
186  *
187  * Revision 1.3  2006/06/19 06:47:27  mranga
188  * javadoc fixups
189  *
190  * Revision 1.2  2006/06/16 15:26:28  mranga
191  * Added NIST disclaimer to all public domain files. Clean up some javadoc. Fixed a leak
192  *
193  * Revision 1.1.1.1  2005/10/04 17:12:36  mranga
194  *
195  * Import
196  *
197  *
198  * Revision 1.4  2004/01/22 13:26:32  sverker
199  * Issue number:
200  * Obtained from:
201  * Submitted by:  sverker
202  * Reviewed by:   mranga
203  *
204  * Major reformat of code to conform with style guide. Resolved compiler and javadoc warnings. Added CVS tags.
205  *
206  * CVS: ----------------------------------------------------------------------
207  * CVS: Issue number:
208  * CVS:   If this change addresses one or more issues,
209  * CVS:   then enter the issue number(s) here.
210  * CVS: Obtained from:
211  * CVS:   If this change has been taken from another system,
212  * CVS:   then name the system in this line, otherwise delete it.
213  * CVS: Submitted by:
214  * CVS:   If this code has been contributed to the project by someone else; i.e.,
215  * CVS:   they sent us a patch or a set of diffs, then include their name/email
216  * CVS:   address here. If this is your work then delete this line.
217  * CVS: Reviewed by:
218  * CVS:   If we are doing pre-commit code reviews and someone else has
219  * CVS:   reviewed your changes, include their name(s) here.
220  * CVS:   If you have not had it reviewed then delete this line.
221  *
222  */
223