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 package gov.nist.javax.sip.parser; 25 26 import gov.nist.javax.sip.address.AddressImpl; 27 import gov.nist.javax.sip.address.SipUri; 28 import gov.nist.javax.sip.header.Contact; 29 import gov.nist.javax.sip.header.ContactList; 30 import gov.nist.javax.sip.header.SIPHeader; 31 32 import javax.sip.address.URI; 33 import java.text.ParseException; 34 import java.util.HashSet; 35 import java.util.Iterator; 36 37 /** 38 * A parser for The SIP contact header. 39 * 40 * @version 1.2 $Revision: 1.13 $ $Date: 2009/10/22 10:27:37 $ 41 * @since 1.1 42 */ 43 public class ContactParser extends AddressParametersParser { 44 ContactParser(String contact)45 public ContactParser(String contact) { 46 super(contact); 47 } 48 ContactParser(Lexer lexer)49 protected ContactParser(Lexer lexer) { 50 super(lexer); 51 this.lexer = lexer; 52 } 53 parse()54 public SIPHeader parse() throws ParseException { 55 // past the header name and the colon. 56 headerName(TokenTypes.CONTACT); 57 ContactList retval = new ContactList(); 58 while (true) { 59 Contact contact = new Contact(); 60 if (lexer.lookAhead(0) == '*') { 61 final char next = lexer.lookAhead(1); 62 if (next == ' ' || next == '\t' || next == '\r' || next == '\n') { 63 this.lexer.match('*'); 64 contact.setWildCardFlag(true); 65 } else { 66 super.parse(contact); 67 } 68 } else { 69 super.parse(contact); 70 } 71 retval.add(contact); 72 this.lexer.SPorHT(); 73 char la = lexer.lookAhead(0); 74 if (la == ',') { 75 this.lexer.match(','); 76 this.lexer.SPorHT(); 77 } else if (la == '\n' || la == '\0') 78 break; 79 else 80 throw createParseException("unexpected char"); 81 } 82 return retval; 83 } 84 85 } 86