1600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang/* 2600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang* Conditions Of Use 3600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang* 4600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang* This software was developed by employees of the National Institute of 5600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang* Standards and Technology (NIST), an agency of the Federal Government. 6600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang* Pursuant to title 15 Untied States Code Section 105, works of NIST 7600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang* employees are not subject to copyright protection in the United States 8600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang* and are considered to be in the public domain. As a result, a formal 9600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang* license is not needed to use the software. 10600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang* 11600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang* This software is provided by NIST as a service and is expressly 12600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang* provided "AS IS." NIST MAKES NO WARRANTY OF ANY KIND, EXPRESS, IMPLIED 13600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang* OR STATUTORY, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTY OF 14600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, NON-INFRINGEMENT 15600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang* AND DATA ACCURACY. NIST does not warrant or make any representations 16600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang* regarding the use of the software or the results thereof, including but 17600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang* not limited to the correctness, accuracy, reliability or usefulness of 18600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang* the software. 19600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang* 20600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang* Permission to use this software is contingent upon your acceptance 21600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang* of the terms of this agreement 22600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang* 23600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang* . 24600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang* 25600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang*/ 26600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wangpackage gov.nist.javax.sip.parser; 27600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang 28600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wangimport gov.nist.javax.sip.header.RecordRoute; 29600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wangimport gov.nist.javax.sip.header.RecordRouteList; 30600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wangimport gov.nist.javax.sip.header.SIPHeader; 31600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang 32600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wangimport java.text.ParseException; 33600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang 34600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang/** 35600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang * Parser for a list of route headers. 36600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang * 37600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang * @version 1.2 $Revision: 1.9 $ $Date: 2009/07/17 18:58:03 $ 38600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang * 39600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang * @author Olivier Deruelle <br/> 40600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang * @author M. Ranganathan <br/> 41600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang * 42600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang */ 43600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wangpublic class RecordRouteParser extends AddressParametersParser { 44600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang 45600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang /** 46600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang * Constructor 47600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang * @param recordRoute message to parse to set 48600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang */ 49600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang public RecordRouteParser(String recordRoute) { 50600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang super(recordRoute); 51600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang } 52600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang 53600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang protected RecordRouteParser(Lexer lexer) { 54600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang super(lexer); 55600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang } 56600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang 57600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang /** 58600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang * parse the String message and generate the RecordRoute List Object 59600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang * @return SIPHeader the RecordRoute List object 60600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang * @throws ParseException if errors occur during the parsing 61600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang */ 62600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang public SIPHeader parse() throws ParseException { 63600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang RecordRouteList recordRouteList = new RecordRouteList(); 64600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang 65600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang if (debug) 66600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang dbg_enter("RecordRouteParser.parse"); 67600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang 68600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang try { 69600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang this.lexer.match(TokenTypes.RECORD_ROUTE); 70600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang this.lexer.SPorHT(); 71600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang this.lexer.match(':'); 72600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang this.lexer.SPorHT(); 73600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang while (true) { 74600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang RecordRoute recordRoute = new RecordRoute(); 75600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang super.parse(recordRoute); 76600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang recordRouteList.add(recordRoute); 77600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang this.lexer.SPorHT(); 78600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang char la = lexer.lookAhead(0); 79600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang if (la == ',') { 80600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang this.lexer.match(','); 81600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang this.lexer.SPorHT(); 82600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang } else if (la == '\n') 83600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang break; 84600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang else 85600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang throw createParseException("unexpected char"); 86600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang } 87600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang return recordRouteList; 88600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang } finally { 89600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang if (debug) 90600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang dbg_leave("RecordRouteParser.parse"); 91600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang } 92600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang 93600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang } 94600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang 95600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang 96600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang} 97