gov.nist.javax.sip.parser.PriorityParser Maven / Gradle / Ivy
/*
* Conditions Of Use
*
* This software was developed by employees of the National Institute of
* Standards and Technology (NIST), an agency of the Federal Government.
* Pursuant to title 15 Untied States Code Section 105, works of NIST
* employees are not subject to copyright protection in the United States
* and are considered to be in the public domain. As a result, a formal
* license is not needed to use the software.
*
* This software is provided by NIST as a service and is expressly
* provided "AS IS." NIST MAKES NO WARRANTY OF ANY KIND, EXPRESS, IMPLIED
* OR STATUTORY, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTY OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, NON-INFRINGEMENT
* AND DATA ACCURACY. NIST does not warrant or make any representations
* regarding the use of the software or the results thereof, including but
* not limited to the correctness, accuracy, reliability or usefulness of
* the software.
*
* Permission to use this software is contingent upon your acceptance
* of the terms of this agreement
*
* .
*
*/
package gov.nist.javax.sip.parser;
import gov.nist.javax.sip.header.*;
import gov.nist.core.*;
import java.text.ParseException;
/**
* Parser for Priority header.
*
* @version 1.2 $Revision: 1.8 $ $Date: 2009-07-17 18:58:02 $
*
* @author Olivier Deruelle
* @author M. Ranganathan
*
*
*
* @version 1.0
*/
public class PriorityParser extends HeaderParser {
/**
* Creates a new instance of PriorityParser
* @param priority the header to parse
*/
public PriorityParser(String priority) {
super(priority);
}
/**
* Constructor
* @param lexer the lexer to use to parse the header
*/
protected PriorityParser(Lexer lexer) {
super(lexer);
}
/**
* parse the String header
* @return SIPHeader (Priority object)
* @throws SIPParseException if the message does not respect the spec.
*/
public SIPHeader parse() throws ParseException {
if (debug)
dbg_enter("PriorityParser.parse");
Priority priority = new Priority();
try {
headerName(TokenTypes.PRIORITY);
priority.setHeaderName(SIPHeaderNames.PRIORITY);
this.lexer.SPorHT();
/*this.lexer.match(TokenTypes.ID);
Token token = lexer.getNextToken();
priority.setPriority(token.getTokenValue());
*/
// This is in violation of the RFC but
// let us be generous in what we accept.
priority.setPriority(this.lexer.ttokenSafe());
this.lexer.SPorHT();
this.lexer.match('\n');
return priority;
} finally {
if (debug)
dbg_leave("PriorityParser.parse");
}
}
public static void main(String args[]) throws ParseException {
String p[] = {
"Priority: 8;a\n"
};
for (int i = 0; i < p.length; i++ ) {
PriorityParser parser =
new PriorityParser(p[i]);
Priority prio= (Priority) parser.parse();
System.out.println("encoded = " + prio.encode());
}
}
}