1 package gov.nist.javax.sip.parser.extensions; 2 3 import gov.nist.javax.sip.header.*; 4 import gov.nist.javax.sip.header.extensions.*; 5 import gov.nist.javax.sip.parser.*; 6 7 import java.text.ParseException; 8 9 // Parser for Join Header (RFC3911) 10 // Extension by jean deruelle 11 // 12 // Join = "Join" HCOLON callid *(SEMI join-param) 13 // join-param = to-tag / from-tag / generic-param 14 // to-tag = "to-tag" EQUAL token 15 // from-tag = "from-tag" EQUAL token 16 // 17 // 18 19 public class JoinParser extends ParametersParser { 20 21 /** 22 * Creates new CallIDParser 23 * @param callID message to parse 24 */ 25 public JoinParser(String callID) { 26 super(callID); 27 } 28 29 /** 30 * Constructor 31 * @param lexer Lexer to set 32 */ 33 protected JoinParser(Lexer lexer) { 34 super(lexer); 35 } 36 37 /** 38 * parse the String message 39 * @return SIPHeader (CallID object) 40 * @throws ParseException if the message does not respect the spec. 41 */ 42 public SIPHeader parse() throws ParseException { 43 if (debug) 44 dbg_enter("parse"); 45 try { 46 headerName(TokenTypes.JOIN_TO); 47 48 Join join = new Join(); 49 this.lexer.SPorHT(); 50 String callId = lexer.byteStringNoSemicolon(); 51 this.lexer.SPorHT(); 52 super.parse(join); 53 join.setCallId(callId); 54 return join; 55 } finally { 56 if (debug) 57 dbg_leave("parse"); 58 } 59 } 60 61 public static void main(String args[]) throws ParseException { 62 String to[] = 63 { "Join: 12345th5z8z\n", 64 "Join: 12345th5z8z;to-tag=tozght6-45;from-tag=fromzght789-337-2\n", 65 }; 66 67 for (int i = 0; i < to.length; i++) { 68 JoinParser tp = new JoinParser(to[i]); 69 Join t = (Join) tp.parse(); 70 System.out.println("Parsing => " + to[i]); 71 System.out.print("encoded = " + t.encode() + "==> "); 72 System.out.println("callId " + t.getCallId() + " from-tag=" + t.getFromTag() 73 + " to-tag=" + t.getToTag()) ; 74 75 } 76 } 77 78 } 79
