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 /******************************************* 27 * PRODUCT OF PT INOVAO - EST DEPARTMENT * 28 *******************************************/ 29 30 package gov.nist.javax.sip.parser.ims; 31 32 import java.text.ParseException; 33 34 import gov.nist.javax.sip.header.ims.ServiceRoute; 35 import gov.nist.javax.sip.header.ims.ServiceRouteList; 36 import gov.nist.javax.sip.header.SIPHeader; 37 import gov.nist.javax.sip.parser.AddressParametersParser; 38 import gov.nist.javax.sip.parser.Lexer; 39 import gov.nist.javax.sip.parser.TokenTypes; 40 41 /** 42 * Service-Route header parser. 43 * 44 * @author ALEXANDRE MIGUEL SILVA SANTOS 45 */ 46 47 public class ServiceRouteParser extends AddressParametersParser { 48 49 /** 50 * Constructor 51 */ ServiceRouteParser(String serviceRoute)52 public ServiceRouteParser(String serviceRoute) { 53 super(serviceRoute); 54 55 } 56 ServiceRouteParser(Lexer lexer)57 protected ServiceRouteParser(Lexer lexer) { 58 super(lexer); 59 60 } 61 62 63 64 65 /** 66 * parse the String message and generate the RecordRoute List Object 67 * @return SIPHeader the RecordRoute List object 68 * @throws ParseException if errors occur during the parsing 69 */ 70 parse()71 public SIPHeader parse() throws ParseException { 72 ServiceRouteList serviceRouteList = new ServiceRouteList(); 73 74 if (debug) 75 dbg_enter("ServiceRouteParser.parse"); 76 77 try { 78 this.lexer.match(TokenTypes.SERVICE_ROUTE); 79 this.lexer.SPorHT(); 80 this.lexer.match(':'); 81 this.lexer.SPorHT(); 82 while (true) { 83 ServiceRoute serviceRoute = new ServiceRoute(); 84 super.parse(serviceRoute); 85 serviceRouteList.add(serviceRoute); 86 this.lexer.SPorHT(); 87 if (lexer.lookAhead(0) == ',') { 88 this.lexer.match(','); 89 this.lexer.SPorHT(); 90 } else if (lexer.lookAhead(0) == '\n') 91 break; 92 else 93 throw createParseException("unexpected char"); 94 } 95 return serviceRouteList; 96 } finally { 97 if (debug) 98 dbg_leave("ServiceRouteParser.parse"); 99 } 100 101 } 102 103 } 104