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      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      */
     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      */
     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      */
     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