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 ProxyRequire header. 34 * @version 1.2 $Revision: 1.7 $ $Date: 2009/07/17 18:58:02 $ 35 * 36 * @author Olivier Deruelle <br/> 37 * @author M. Ranganathan <br/> 38 * 39 * 40 */ 41 public class ProxyRequireParser extends HeaderParser { 42 43 /** 44 * Creates a new instance of ProxyRequireParser 45 * @param require the header to parse 46 */ ProxyRequireParser(String require)47 public ProxyRequireParser(String require) { 48 super(require); 49 } 50 51 /** 52 * Constructor 53 * @param lexer the lexer to use to parse the header 54 */ ProxyRequireParser(Lexer lexer)55 protected ProxyRequireParser(Lexer lexer) { 56 super(lexer); 57 } 58 59 /** 60 * parse the String message 61 * @return SIPHeader (ProxyRequireList object) 62 * @throws SIPParseException if the message does not respect the spec. 63 */ parse()64 public SIPHeader parse() throws ParseException { 65 ProxyRequireList list = new ProxyRequireList(); 66 if (debug) 67 dbg_enter("ProxyRequireParser.parse"); 68 69 try { 70 headerName(TokenTypes.PROXY_REQUIRE); 71 72 while (lexer.lookAhead(0) != '\n') { 73 ProxyRequire r = new ProxyRequire(); 74 r.setHeaderName(SIPHeaderNames.PROXY_REQUIRE); 75 76 // Parsing the option tag 77 this.lexer.match(TokenTypes.ID); 78 Token token = lexer.getNextToken(); 79 r.setOptionTag(token.getTokenValue()); 80 this.lexer.SPorHT(); 81 82 list.add(r); 83 84 while (lexer.lookAhead(0) == ',') { 85 this.lexer.match(','); 86 this.lexer.SPorHT(); 87 88 r = new ProxyRequire(); 89 90 // Parsing the option tag 91 this.lexer.match(TokenTypes.ID); 92 token = lexer.getNextToken(); 93 r.setOptionTag(token.getTokenValue()); 94 this.lexer.SPorHT(); 95 96 list.add(r); 97 } 98 99 } 100 } finally { 101 if (debug) 102 dbg_leave("ProxyRequireParser.parse"); 103 } 104 105 return list; 106 } 107 108 /** Test program 109 public static void main(String args[]) throws ParseException { 110 String r[] = { 111 "Proxy-Require: foo \n", 112 "Proxy-Require: foo1, foo2 , 389\n" 113 }; 114 115 for (int i = 0; i < r.length; i++ ) { 116 ProxyRequireParser parser = 117 new ProxyRequireParser(r[i]); 118 ProxyRequireList rl= (ProxyRequireList) parser.parse(); 119 System.out.println("encoded = " + rl.encode()); 120 } 121 } 122 */ 123 } 124 /* 125 * $Log: ProxyRequireParser.java,v $ 126 * Revision 1.7 2009/07/17 18:58:02 emcho 127 * Converts indentation tabs to spaces so that we have a uniform indentation policy in the whole project. 128 * 129 * Revision 1.6 2006/07/13 09:02:15 mranga 130 * Issue number: 131 * Obtained from: 132 * Submitted by: jeroen van bemmel 133 * Reviewed by: mranga 134 * Moved some changes from jain-sip-1.2 to java.net 135 * 136 * CVS: ---------------------------------------------------------------------- 137 * CVS: Issue number: 138 * CVS: If this change addresses one or more issues, 139 * CVS: then enter the issue number(s) here. 140 * CVS: Obtained from: 141 * CVS: If this change has been taken from another system, 142 * CVS: then name the system in this line, otherwise delete it. 143 * CVS: Submitted by: 144 * CVS: If this code has been contributed to the project by someone else; i.e., 145 * CVS: they sent us a patch or a set of diffs, then include their name/email 146 * CVS: address here. If this is your work then delete this line. 147 * CVS: Reviewed by: 148 * CVS: If we are doing pre-commit code reviews and someone else has 149 * CVS: reviewed your changes, include their name(s) here. 150 * CVS: If you have not had it reviewed then delete this line. 151 * 152 * Revision 1.3 2006/06/19 06:47:27 mranga 153 * javadoc fixups 154 * 155 * Revision 1.2 2006/06/16 15:26:28 mranga 156 * Added NIST disclaimer to all public domain files. Clean up some javadoc. Fixed a leak 157 * 158 * Revision 1.1.1.1 2005/10/04 17:12:35 mranga 159 * 160 * Import 161 * 162 * 163 * Revision 1.4 2004/01/22 13:26:31 sverker 164 * Issue number: 165 * Obtained from: 166 * Submitted by: sverker 167 * Reviewed by: mranga 168 * 169 * Major reformat of code to conform with style guide. Resolved compiler and javadoc warnings. Added CVS tags. 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 */ 188