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 java.text.ParseException; 30 31 /** 32 * Parser for Server header. 33 * 34 * @version 1.2 $Revision: 1.9 $ $Date: 2009/07/17 18:58:05 $ 35 * 36 * @author Olivier Deruelle <br/> 37 * @author M. Ranganathan <br/> 38 * 39 * 40 */ 41 public class ServerParser extends HeaderParser { 42 43 /** 44 * Creates a new instance of ServerParser 45 * @param server the header to parse 46 */ ServerParser(String server)47 public ServerParser(String server) { 48 super(server); 49 } 50 51 /** 52 * Constructor 53 * @param lexer the lexer to use to parse the header 54 */ ServerParser(Lexer lexer)55 protected ServerParser(Lexer lexer) { 56 super(lexer); 57 } 58 59 /** 60 * parse the String server 61 * @return SIPHeader (Server object) 62 * @throws SIPParseException if the message does not respect the spec. 63 */ parse()64 public SIPHeader parse() throws ParseException { 65 66 if (debug) 67 dbg_enter("ServerParser.parse"); 68 Server server = new Server(); 69 try { 70 headerName(TokenTypes.SERVER); 71 if (this.lexer.lookAhead(0) == '\n') 72 throw createParseException("empty header"); 73 74 // mandatory token: product[/product-version] | (comment) 75 while (this.lexer.lookAhead(0) != '\n' 76 && this.lexer.lookAhead(0) != '\0') { 77 if (this.lexer.lookAhead(0) == '(') { 78 String comment = this.lexer.comment(); 79 server.addProductToken('(' + comment + ')'); 80 } else { 81 String tok; 82 int marker = 0; 83 try { 84 marker = this.lexer.markInputPosition(); 85 tok = this.lexer.getString('/'); 86 87 if (tok.charAt(tok.length() - 1) == '\n') 88 tok = tok.trim(); 89 server.addProductToken(tok); 90 } catch (ParseException ex) { 91 this.lexer.rewindInputPosition(marker); 92 tok = this.lexer.getRest().trim(); 93 server.addProductToken(tok); 94 break; 95 } 96 } 97 } 98 99 } finally { 100 if (debug) 101 dbg_leave("ServerParser.parse"); 102 } 103 104 return server; 105 } 106 107 /* 108 public static void main(String args[]) throws ParseException { 109 String server[] = { 110 "Server: Softphone/Beta1.5 \n", 111 "Server: HomeServer v2\n", 112 "Server: Nist/Beta1 (beta version) \n", 113 "Server: Nist proxy (beta version)\n", 114 "Server: Nist1.0/Beta2 UbiServer/vers.1.0 (new stuff) (Cool) \n", 115 "Server: Sip EXpress router (0.8.11 (sparc64/solaris))\n" 116 }; 117 118 for (int i = 0; i < server.length; i++ ) { 119 ServerParser parser = 120 new ServerParser(server[i]); 121 Server s= (Server) parser.parse(); 122 System.out.println("encoded = " + s.encode()); 123 } 124 125 } 126 */ 127 128 } 129 /* 130 * $Log: ServerParser.java,v $ 131 * Revision 1.9 2009/07/17 18:58:05 emcho 132 * Converts indentation tabs to spaces so that we have a uniform indentation policy in the whole project. 133 * 134 * Revision 1.8 2006/07/13 09:02:16 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 1.4 2006/06/19 06:47:27 mranga 158 * javadoc fixups 159 * 160 * Revision 1.3 2006/06/17 10:18:14 mranga 161 * Added some synchronization to the sequence number checking. 162 * Small javadoc fixups 163 * 164 * Revision 1.2 2006/06/16 15:26:28 mranga 165 * Added NIST disclaimer to all public domain files. Clean up some javadoc. Fixed a leak 166 * 167 * Revision 1.1.1.1 2005/10/04 17:12:36 mranga 168 * 169 * Import 170 * 171 * 172 * Revision 1.6 2004/01/30 17:10:47 mranga 173 * Reviewed by: mranga 174 * Server and user agent parser leave an extra Linefeed at the end of token. 175 * 176 * Revision 1.5 2004/01/27 13:52:11 mranga 177 * Reviewed by: mranga 178 * Fixed server/user-agent parser. 179 * suppress sending ack to TU when retransFilter is enabled and ack is retransmitted. 180 * 181 * Revision 1.4 2004/01/22 13:26:32 sverker 182 * Issue number: 183 * Obtained from: 184 * Submitted by: sverker 185 * Reviewed by: mranga 186 * 187 * Major reformat of code to conform with style guide. Resolved compiler and javadoc warnings. Added CVS tags. 188 * 189 * CVS: ---------------------------------------------------------------------- 190 * CVS: Issue number: 191 * CVS: If this change addresses one or more issues, 192 * CVS: then enter the issue number(s) here. 193 * CVS: Obtained from: 194 * CVS: If this change has been taken from another system, 195 * CVS: then name the system in this line, otherwise delete it. 196 * CVS: Submitted by: 197 * CVS: If this code has been contributed to the project by someone else; i.e., 198 * CVS: they sent us a patch or a set of diffs, then include their name/email 199 * CVS: address here. If this is your work then delete this line. 200 * CVS: Reviewed by: 201 * CVS: If we are doing pre-commit code reviews and someone else has 202 * CVS: reviewed your changes, include their name(s) here. 203 * CVS: If you have not had it reviewed then delete this line. 204 * 205 */ 206