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* 25*/ 26package gov.nist.javax.sip.parser; 27 28import gov.nist.javax.sip.header.*; 29import gov.nist.core.*; 30import java.text.ParseException; 31 32/** 33 * Parser for Priority header. 34 * 35 * @version 1.2 $Revision: 1.8 $ $Date: 2009/07/17 18:58:02 $ 36 * 37 * @author Olivier Deruelle <br/> 38 * @author M. Ranganathan <br/> 39 * 40 * 41 * 42 * @version 1.0 43 */ 44public class PriorityParser extends HeaderParser { 45 46 /** 47 * Creates a new instance of PriorityParser 48 * @param priority the header to parse 49 */ 50 public PriorityParser(String priority) { 51 super(priority); 52 } 53 54 /** 55 * Constructor 56 * @param lexer the lexer to use to parse the header 57 */ 58 protected PriorityParser(Lexer lexer) { 59 super(lexer); 60 } 61 62 /** 63 * parse the String header 64 * @return SIPHeader (Priority object) 65 * @throws SIPParseException if the message does not respect the spec. 66 */ 67 public SIPHeader parse() throws ParseException { 68 69 if (debug) 70 dbg_enter("PriorityParser.parse"); 71 Priority priority = new Priority(); 72 try { 73 headerName(TokenTypes.PRIORITY); 74 75 priority.setHeaderName(SIPHeaderNames.PRIORITY); 76 77 this.lexer.SPorHT(); 78 /*this.lexer.match(TokenTypes.ID); 79 Token token = lexer.getNextToken(); 80 81 priority.setPriority(token.getTokenValue()); 82 */ 83 // This is in violation of the RFC but 84 // let us be generous in what we accept. 85 priority.setPriority(this.lexer.ttokenSafe()); 86 87 this.lexer.SPorHT(); 88 this.lexer.match('\n'); 89 90 return priority; 91 } finally { 92 if (debug) 93 dbg_leave("PriorityParser.parse"); 94 } 95 } 96 97 98 public static void main(String args[]) throws ParseException { 99 String p[] = { 100 "Priority: 8;a\n" 101 }; 102 103 for (int i = 0; i < p.length; i++ ) { 104 PriorityParser parser = 105 new PriorityParser(p[i]); 106 Priority prio= (Priority) parser.parse(); 107 System.out.println("encoded = " + prio.encode()); 108 } 109 } 110 111} 112 113