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.address.GenericURI; 29 import gov.nist.javax.sip.header.AlertInfo; 30 import gov.nist.javax.sip.header.AlertInfoList; 31 import gov.nist.javax.sip.header.SIPHeader; 32 import gov.nist.javax.sip.header.SIPHeaderNames; 33 34 import java.text.ParseException; 35 36 /** 37 * Parser for AlertInfo header. 38 * 39 * @version 1.2 $Revision: 1.10 $ $Date: 2009/11/07 23:35:49 $ 40 * 41 * @author Olivier Deruelle 42 * @author M. Ranganathan 43 * 44 */ 45 public class AlertInfoParser extends ParametersParser { 46 47 /** 48 * Creates a new instance of AlertInfo Parser 49 * @param alertInfo the header to parse 50 */ 51 public AlertInfoParser(String alertInfo) { 52 super(alertInfo); 53 } 54 55 /** 56 * Constructor 57 * @param lexer the lexer to use to parse the header 58 */ 59 protected AlertInfoParser(Lexer lexer) { 60 super(lexer); 61 } 62 63 /** 64 * parse the AlertInfo String header 65 * @return SIPHeader (AlertInfoList object) 66 * @throws SIPParseException if the message does not respect the spec. 67 */ 68 public SIPHeader parse() throws ParseException { 69 70 if (debug) 71 dbg_enter("AlertInfoParser.parse"); 72 AlertInfoList list = new AlertInfoList(); 73 74 try { 75 headerName(TokenTypes.ALERT_INFO); 76 77 while (lexer.lookAhead(0) != '\n') { 78 AlertInfo alertInfo = new AlertInfo(); 79 alertInfo.setHeaderName(SIPHeaderNames.ALERT_INFO); 80 URLParser urlParser; 81 GenericURI uri; 82 83 do { 84 this.lexer.SPorHT(); 85 if (this.lexer.lookAhead(0) == '<') { 86 this.lexer.match('<'); 87 urlParser = new URLParser((Lexer) this.lexer); 88 uri = urlParser.uriReference( true ); 89 alertInfo.setAlertInfo(uri); 90 this.lexer.match('>'); 91 } else { 92 /* This is non standard for Polycom support. 93 * I know it is bad grammar but please do not remove. mranga 94 */ 95 String alertInfoStr = this.lexer.byteStringNoSemicolon(); 96 alertInfo.setAlertInfo(alertInfoStr); 97 } 98 99 this.lexer.SPorHT(); 100 101 super.parse(alertInfo); 102 list.add(alertInfo); 103 104 if ( lexer.lookAhead(0) == ',' ) { 105 this.lexer.match(','); 106 } else break; 107 } while (true); 108 } 109 return list; 110 } finally { 111 if (debug) 112 dbg_leave("AlertInfoParser.parse"); 113 } 114 } 115 } 116 /* 117 * $Log: AlertInfoParser.java,v $ 118 * Revision 1.10 2009/11/07 23:35:49 mranga 119 * Fix Alert-Info ( loosen up parsing). Define AUTOMATIC_DIALOG_ERROR_HANDLING flag. 120 * 121 * Revision 1.9 2009/10/22 10:27:36 jbemmel 122 * Fix for issue #230, restructured the code such that parsing for any address appearing without '<' '>' 123 * stops at ';', then parameters are assigned to the header as expected 124 * 125 * Revision 1.8 2009/07/17 18:57:57 emcho 126 * Converts indentation tabs to spaces so that we have a uniform indentation policy in the whole project. 127 * 128 * Revision 1.7 2007/10/18 17:48:09 mranga 129 * Issue number: 130 * Obtained from: 131 * Submitted by: mardy 132 * Reviewed by: mranga 133 * Alert info patch to accept non standard alert info headers. 134 * 135 * Revision 1.6 2006/07/13 09:02:19 mranga 136 * Issue number: 137 * Obtained from: 138 * Submitted by: jeroen van bemmel 139 * Reviewed by: mranga 140 * Moved some changes from jain-sip-1.2 to java.net 141 * 142 * CVS: ---------------------------------------------------------------------- 143 * CVS: Issue number: 144 * CVS: If this change addresses one or more issues, 145 * CVS: then enter the issue number(s) here. 146 * CVS: Obtained from: 147 * CVS: If this change has been taken from another system, 148 * CVS: then name the system in this line, otherwise delete it. 149 * CVS: Submitted by: 150 * CVS: If this code has been contributed to the project by someone else; i.e., 151 * CVS: they sent us a patch or a set of diffs, then include their name/email 152 * CVS: address here. If this is your work then delete this line. 153 * CVS: Reviewed by: 154 * CVS: If we are doing pre-commit code reviews and someone else has 155 * CVS: reviewed your changes, include their name(s) here. 156 * CVS: If you have not had it reviewed then delete this line. 157 * 158 * Revision 1.3 2006/06/19 06:47:27 mranga 159 * javadoc fixups 160 * 161 * Revision 1.2 2006/06/16 15:26:28 mranga 162 * Added NIST disclaimer to all public domain files. Clean up some javadoc. Fixed a leak 163 * 164 * Revision 1.1.1.1 2005/10/04 17:12:35 mranga 165 * 166 * Import 167 * 168 * 169 * Revision 1.4 2004/01/22 13:26:31 sverker 170 * Issue number: 171 * Obtained from: 172 * Submitted by: sverker 173 * Reviewed by: mranga 174 * 175 * Major reformat of code to conform with style guide. Resolved compiler and javadoc warnings. Added CVS tags. 176 * 177 * CVS: ---------------------------------------------------------------------- 178 * CVS: Issue number: 179 * CVS: If this change addresses one or more issues, 180 * CVS: then enter the issue number(s) here. 181 * CVS: Obtained from: 182 * CVS: If this change has been taken from another system, 183 * CVS: then name the system in this line, otherwise delete it. 184 * CVS: Submitted by: 185 * CVS: If this code has been contributed to the project by someone else; i.e., 186 * CVS: they sent us a patch or a set of diffs, then include their name/email 187 * CVS: address here. If this is your work then delete this line. 188 * CVS: Reviewed by: 189 * CVS: If we are doing pre-commit code reviews and someone else has 190 * CVS: reviewed your changes, include their name(s) here. 191 * CVS: If you have not had it reviewed then delete this line. 192 * 193 */ 194
