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; 31import 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 */ 42public 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