gov.nist.javax.sip.parser.extensions.JoinParser Maven / Gradle / Ivy
package gov.nist.javax.sip.parser.extensions;
import gov.nist.javax.sip.header.*;
import gov.nist.javax.sip.header.extensions.*;
import gov.nist.javax.sip.parser.*;
import java.text.ParseException;
// Parser for Join Header (RFC3911)
// Extension by jean deruelle
//
// Join = "Join" HCOLON callid *(SEMI join-param)
// join-param = to-tag / from-tag / generic-param
// to-tag = "to-tag" EQUAL token
// from-tag = "from-tag" EQUAL token
//
//
public class JoinParser extends ParametersParser {
/**
* Creates new CallIDParser
* @param callID message to parse
*/
public JoinParser(String callID) {
super(callID);
}
/**
* Constructor
* @param lexer Lexer to set
*/
protected JoinParser(Lexer lexer) {
super(lexer);
}
/**
* parse the String message
* @return SIPHeader (CallID object)
* @throws ParseException if the message does not respect the spec.
*/
public SIPHeader parse() throws ParseException {
if (debug)
dbg_enter("parse");
try {
headerName(TokenTypes.JOIN_TO);
Join join = new Join();
this.lexer.SPorHT();
String callId = lexer.byteStringNoSemicolon();
this.lexer.SPorHT();
super.parse(join);
join.setCallId(callId);
return join;
} finally {
if (debug)
dbg_leave("parse");
}
}
public static void main(String args[]) throws ParseException {
String to[] =
{ "Join: 12345th5z8z\n",
"Join: 12345th5z8z;to-tag=tozght6-45;from-tag=fromzght789-337-2\n",
};
for (int i = 0; i < to.length; i++) {
JoinParser tp = new JoinParser(to[i]);
Join t = (Join) tp.parse();
System.out.println("Parsing => " + to[i]);
System.out.print("encoded = " + t.encode() + "==> ");
System.out.println("callId " + t.getCallId() + " from-tag=" + t.getFromTag()
+ " to-tag=" + t.getToTag()) ;
}
}
}