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 32 /** 33 * Parser for Supported header. 34 * 35 * @version 1.2 $Revision: 1.7 $ $Date: 2009/07/17 18:58:06 $ 36 * 37 * @author Olivier Deruelle <br/> 38 * @author M. Ranganathan <br/> 39 * 40 * 41 * 42 * @version 1.0 43 */ 44 public class SupportedParser extends HeaderParser { 45 46 /** 47 * Creates a new instance of SupportedParser 48 * @param supported the header to parse 49 */ SupportedParser(String supported)50 public SupportedParser(String supported) { 51 super(supported); 52 } 53 54 /** 55 * Constructor 56 * @param lexer the lexer to use to parse the header 57 */ SupportedParser(Lexer lexer)58 protected SupportedParser(Lexer lexer) { 59 super(lexer); 60 } 61 62 /** 63 * parse the String message 64 * @return SIPHeader (Supported object) 65 * @throws SIPParseException if the message does not respect the spec. 66 */ parse()67 public SIPHeader parse() throws ParseException { 68 SupportedList supportedList = new SupportedList(); 69 if (debug) 70 dbg_enter("SupportedParser.parse"); 71 72 try { 73 headerName(TokenTypes.SUPPORTED); 74 75 while (lexer.lookAhead(0) != '\n') { 76 this.lexer.SPorHT(); 77 Supported supported = new Supported(); 78 supported.setHeaderName(SIPHeaderNames.SUPPORTED); 79 80 // Parsing the option tag 81 this.lexer.match(TokenTypes.ID); 82 Token token = lexer.getNextToken(); 83 supported.setOptionTag(token.getTokenValue()); 84 this.lexer.SPorHT(); 85 86 supportedList.add(supported); 87 88 while (lexer.lookAhead(0) == ',') { 89 this.lexer.match(','); 90 this.lexer.SPorHT(); 91 92 supported = new Supported(); 93 94 // Parsing the option tag 95 this.lexer.match(TokenTypes.ID); 96 token = lexer.getNextToken(); 97 supported.setOptionTag(token.getTokenValue()); 98 this.lexer.SPorHT(); 99 100 supportedList.add(supported); 101 } 102 103 } 104 } finally { 105 if (debug) 106 dbg_leave("SupportedParser.parse"); 107 } 108 109 return supportedList; 110 } 111 112 /** Test program 113 public static void main(String args[]) throws ParseException { 114 String supported[] = { 115 "Supported: 100rel \n", 116 "Supported: foo1, foo2 ,foo3 , foo4 \n" 117 }; 118 119 for (int i = 0; i < supported.length; i++ ) { 120 SupportedParser parser = 121 new SupportedParser(supported[i]); 122 SupportedList s= (SupportedList) parser.parse(); 123 System.out.println("encoded = " + s.encode()); 124 } 125 126 } 127 */ 128 } 129 /* 130 * $Log: SupportedParser.java,v $ 131 * Revision 1.7 2009/07/17 18:58:06 emcho 132 * Converts indentation tabs to spaces so that we have a uniform indentation policy in the whole project. 133 * 134 * Revision 1.6 2006/07/13 09:02:02 mranga 135 * Issue number: 136 * Obtained from: 137 * Submitted by: jeroen van bemmel 138 * Reviewed by: mranga 139 * Moved some changes from jain-sip-1.2 to java.net 140 * 141 * CVS: ---------------------------------------------------------------------- 142 * CVS: Issue number: 143 * CVS: If this change addresses one or more issues, 144 * CVS: then enter the issue number(s) here. 145 * CVS: Obtained from: 146 * CVS: If this change has been taken from another system, 147 * CVS: then name the system in this line, otherwise delete it. 148 * CVS: Submitted by: 149 * CVS: If this code has been contributed to the project by someone else; i.e., 150 * CVS: they sent us a patch or a set of diffs, then include their name/email 151 * CVS: address here. If this is your work then delete this line. 152 * CVS: Reviewed by: 153 * CVS: If we are doing pre-commit code reviews and someone else has 154 * CVS: reviewed your changes, include their name(s) here. 155 * CVS: If you have not had it reviewed then delete this line. 156 * 157 * Revision 1.3 2006/06/19 06:47:27 mranga 158 * javadoc fixups 159 * 160 * Revision 1.2 2006/06/16 15:26:28 mranga 161 * Added NIST disclaimer to all public domain files. Clean up some javadoc. Fixed a leak 162 * 163 * Revision 1.1.1.1 2005/10/04 17:12:36 mranga 164 * 165 * Import 166 * 167 * 168 * Revision 1.4 2004/01/22 13:26:32 sverker 169 * Issue number: 170 * Obtained from: 171 * Submitted by: sverker 172 * Reviewed by: mranga 173 * 174 * Major reformat of code to conform with style guide. Resolved compiler and javadoc warnings. Added CVS tags. 175 * 176 * CVS: ---------------------------------------------------------------------- 177 * CVS: Issue number: 178 * CVS: If this change addresses one or more issues, 179 * CVS: then enter the issue number(s) here. 180 * CVS: Obtained from: 181 * CVS: If this change has been taken from another system, 182 * CVS: then name the system in this line, otherwise delete it. 183 * CVS: Submitted by: 184 * CVS: If this code has been contributed to the project by someone else; i.e., 185 * CVS: they sent us a patch or a set of diffs, then include their name/email 186 * CVS: address here. If this is your work then delete this line. 187 * CVS: Reviewed by: 188 * CVS: If we are doing pre-commit code reviews and someone else has 189 * CVS: reviewed your changes, include their name(s) here. 190 * CVS: If you have not had it reviewed then delete this line. 191 * 192 */ 193