gov.nist.javax.sip.parser.extensions.MinSEParser 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;
import javax.sip.*;
/**
* Parser for SIP MinSE Parser.
*
* Min-SE = "Min-SE" HCOLON delta-seconds *(SEMI generic-param)
*
* @author P. Musgrave
*
* This code is in the public domain.
*/
public class MinSEParser extends ParametersParser {
/**
* protected constructor.
* @param text is the text of the header to parse
*/
public MinSEParser(String text) {
super(text);
}
/**
* constructor.
* @param lexer is the lexer passed in from the enclosing parser.
*/
protected MinSEParser(Lexer lexer) {
super(lexer);
}
/**
* Parse the header.
*/
public SIPHeader parse() throws ParseException {
MinSE minse = new MinSE();
if (debug)
dbg_enter("parse");
try {
headerName(TokenTypes.MINSE_TO);
String nextId = lexer.getNextId();
try {
int delta = Integer.parseInt(nextId);
minse.setExpires(delta);
} catch (NumberFormatException ex) {
throw createParseException("bad integer format");
} catch (InvalidArgumentException ex) {
throw createParseException(ex.getMessage());
}
this.lexer.SPorHT();
super.parse(minse);
return minse;
} finally {
if (debug)
dbg_leave("parse");
}
}
public static void main(String args[]) throws ParseException {
String to[] =
{ "Min-SE: 30\n",
"Min-SE: 45;some-param=somevalue\n",
};
for (int i = 0; i < to.length; i++) {
MinSEParser tp = new MinSEParser(to[i]);
MinSE t = (MinSE) tp.parse();
System.out.println("encoded = " + t.encode());
System.out.println("\ntime=" + t.getExpires() );
if ( t.getParameter("some-param") != null)
System.out.println("some-param=" + t.getParameter("some-param") );
}
}
}