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 java.text.ParseException; 30import javax.sip.*; 31 32/** 33 * Parser for TimeStamp header. 34 * 35 * @version 1.2 $Revision: 1.9 $ $Date: 2009/10/18 13:46:39 $ 36 * 37 * @author Olivier Deruelle <br/> 38 * @author M. Ranganathan <br/> 39 * 40 * 41 */ 42public class TimeStampParser extends HeaderParser { 43 44 /** 45 * Creates a new instance of TimeStampParser 46 * @param timeStamp the header to parse 47 */ 48 public TimeStampParser(String timeStamp) { 49 super(timeStamp); 50 } 51 52 /** 53 * Constructor 54 * @param lexer the lexer to use to parse the header 55 */ 56 protected TimeStampParser(Lexer lexer) { 57 super(lexer); 58 } 59 60 /** 61 * parse the String message 62 * @return SIPHeader (TimeStamp 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("TimeStampParser.parse"); 69 TimeStamp timeStamp = new TimeStamp(); 70 try { 71 headerName(TokenTypes.TIMESTAMP); 72 73 timeStamp.setHeaderName(SIPHeaderNames.TIMESTAMP); 74 75 this.lexer.SPorHT(); 76 String firstNumber = this.lexer.number(); 77 78 try { 79 80 if (lexer.lookAhead(0) == '.') { 81 this.lexer.match('.'); 82 String secondNumber = this.lexer.number(); 83 84 String s = firstNumber + "." + secondNumber; 85 float ts = Float.parseFloat(s); 86 timeStamp.setTimeStamp(ts); 87 } else { 88 long ts = Long.parseLong(firstNumber); 89 timeStamp.setTime(ts); 90 } 91 92 93 } catch (NumberFormatException ex) { 94 throw createParseException(ex.getMessage()); 95 } catch (InvalidArgumentException ex) { 96 throw createParseException(ex.getMessage()); 97 } 98 99 this.lexer.SPorHT(); 100 if (lexer.lookAhead(0) != '\n') { 101 firstNumber = this.lexer.number(); 102 103 try { 104 105 if (lexer.lookAhead(0) == '.') { 106 this.lexer.match('.'); 107 String secondNumber = this.lexer.number(); 108 109 String s = firstNumber + "." + secondNumber; 110 float ts = Float.parseFloat(s); 111 timeStamp.setDelay(ts); 112 } else { 113 int ts = Integer.parseInt(firstNumber); 114 timeStamp.setDelay(ts); 115 } 116 117 118 } catch (NumberFormatException ex) { 119 throw createParseException(ex.getMessage()); 120 } catch (InvalidArgumentException ex) { 121 throw createParseException(ex.getMessage()); 122 } 123 } 124 125 } finally { 126 if (debug) 127 dbg_leave("TimeStampParser.parse"); 128 } 129 130 return timeStamp; 131 } 132 133 134 135 136} 137/* 138 * $Log: TimeStampParser.java,v $ 139 * Revision 1.9 2009/10/18 13:46:39 deruelle_jean 140 * FindBugs Fixes (Category Performance Warnings) 141 * 142 * Issue number: 143 * Obtained from: 144 * Submitted by: Jean Deruelle 145 * Reviewed by: 146 * 147 * Revision 1.8 2009/07/17 18:58:06 emcho 148 * Converts indentation tabs to spaces so that we have a uniform indentation policy in the whole project. 149 * 150 * Revision 1.7 2006/08/15 21:44:50 mranga 151 * Issue number: 152 * Obtained from: 153 * Submitted by: mranga 154 * Reviewed by: mranga 155 * Incorporating the latest API changes from Phelim 156 * CVS: ---------------------------------------------------------------------- 157 * CVS: Issue number: 158 * CVS: If this change addresses one or more issues, 159 * CVS: then enter the issue number(s) here. 160 * CVS: Obtained from: 161 * CVS: If this change has been taken from another system, 162 * CVS: then name the system in this line, otherwise delete it. 163 * CVS: Submitted by: 164 * CVS: If this code has been contributed to the project by someone else; i.e., 165 * CVS: they sent us a patch or a set of diffs, then include their name/email 166 * CVS: address here. If this is your work then delete this line. 167 * CVS: Reviewed by: 168 * CVS: If we are doing pre-commit code reviews and someone else has 169 * CVS: reviewed your changes, include their name(s) here. 170 * CVS: If you have not had it reviewed then delete this line. 171 * 172 * Revision 1.6 2006/07/13 09:02:14 mranga 173 * Issue number: 174 * Obtained from: 175 * Submitted by: jeroen van bemmel 176 * Reviewed by: mranga 177 * Moved some changes from jain-sip-1.2 to java.net 178 * 179 * CVS: ---------------------------------------------------------------------- 180 * CVS: Issue number: 181 * CVS: If this change addresses one or more issues, 182 * CVS: then enter the issue number(s) here. 183 * CVS: Obtained from: 184 * CVS: If this change has been taken from another system, 185 * CVS: then name the system in this line, otherwise delete it. 186 * CVS: Submitted by: 187 * CVS: If this code has been contributed to the project by someone else; i.e., 188 * CVS: they sent us a patch or a set of diffs, then include their name/email 189 * CVS: address here. If this is your work then delete this line. 190 * CVS: Reviewed by: 191 * CVS: If we are doing pre-commit code reviews and someone else has 192 * CVS: reviewed your changes, include their name(s) here. 193 * CVS: If you have not had it reviewed then delete this line. 194 * 195 * Revision 1.5 2006/06/19 06:47:27 mranga 196 * javadoc fixups 197 * 198 * Revision 1.4 2006/06/16 15:26:28 mranga 199 * Added NIST disclaimer to all public domain files. Clean up some javadoc. Fixed a leak 200 * 201 * Revision 1.3 2006/05/25 23:46:23 mranga 202 * Added @author NIST to all API files. Moved a package around in the tck directory. 203 * 204 * Ranga. 205 * 206 * Revision 1.2 2006/05/18 10:08:43 mranga 207 * Fixes null pointer in comparison when host is not specified. Add methods to allow longs and ints as args in TimeStamp Header. 208 * 209 * Ranga. 210 * 211 * Revision 1.1.1.1 2005/10/04 17:12:36 mranga 212 * 213 * Import 214 * 215 * 216 * Revision 1.4 2004/01/22 13:26:32 sverker 217 * Issue number: 218 * Obtained from: 219 * Submitted by: sverker 220 * Reviewed by: mranga 221 * 222 * Major reformat of code to conform with style guide. Resolved compiler and javadoc warnings. Added CVS tags. 223 * 224 * CVS: ---------------------------------------------------------------------- 225 * CVS: Issue number: 226 * CVS: If this change addresses one or more issues, 227 * CVS: then enter the issue number(s) here. 228 * CVS: Obtained from: 229 * CVS: If this change has been taken from another system, 230 * CVS: then name the system in this line, otherwise delete it. 231 * CVS: Submitted by: 232 * CVS: If this code has been contributed to the project by someone else; i.e., 233 * CVS: they sent us a patch or a set of diffs, then include their name/email 234 * CVS: address here. If this is your work then delete this line. 235 * CVS: Reviewed by: 236 * CVS: If we are doing pre-commit code reviews and someone else has 237 * CVS: reviewed your changes, include their name(s) here. 238 * CVS: If you have not had it reviewed then delete this line. 239 * 240 */ 241