1600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang/* 2600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang* Conditions Of Use 3600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang* 4600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang* This software was developed by employees of the National Institute of 5600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang* Standards and Technology (NIST), an agency of the Federal Government. 6600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang* Pursuant to title 15 Untied States Code Section 105, works of NIST 7600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang* employees are not subject to copyright protection in the United States 8600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang* and are considered to be in the public domain. As a result, a formal 9600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang* license is not needed to use the software. 10600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang* 11600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang* This software is provided by NIST as a service and is expressly 12600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang* provided "AS IS." NIST MAKES NO WARRANTY OF ANY KIND, EXPRESS, IMPLIED 13600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang* OR STATUTORY, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTY OF 14600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, NON-INFRINGEMENT 15600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang* AND DATA ACCURACY. NIST does not warrant or make any representations 16600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang* regarding the use of the software or the results thereof, including but 17600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang* not limited to the correctness, accuracy, reliability or usefulness of 18600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang* the software. 19600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang* 20600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang* Permission to use this software is contingent upon your acceptance 21600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang* of the terms of this agreement 22600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang* 23600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang* . 24600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang* 25600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang*/ 26600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wangpackage gov.nist.javax.sip.parser; 27600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang 28600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wangimport gov.nist.javax.sip.header.*; 29600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wangimport gov.nist.core.*; 30600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wangimport java.text.ParseException; 31600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang 32600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang/** 33600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang * Parser for Priority header. 34600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang * 35600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang * @version 1.2 $Revision: 1.8 $ $Date: 2009/07/17 18:58:02 $ 36600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang * 37600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang * @author Olivier Deruelle <br/> 38600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang * @author M. Ranganathan <br/> 39600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang * 40600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang * 41600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang * 42600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang * @version 1.0 43600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang */ 44600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wangpublic class PriorityParser extends HeaderParser { 45600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang 46600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang /** 47600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang * Creates a new instance of PriorityParser 48600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang * @param priority the header to parse 49600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang */ 50600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang public PriorityParser(String priority) { 51600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang super(priority); 52600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang } 53600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang 54600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang /** 55600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang * Constructor 56600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang * @param lexer the lexer to use to parse the header 57600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang */ 58600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang protected PriorityParser(Lexer lexer) { 59600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang super(lexer); 60600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang } 61600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang 62600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang /** 63600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang * parse the String header 64600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang * @return SIPHeader (Priority object) 65600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang * @throws SIPParseException if the message does not respect the spec. 66600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang */ 67600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang public SIPHeader parse() throws ParseException { 68600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang 69600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang if (debug) 70600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang dbg_enter("PriorityParser.parse"); 71600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang Priority priority = new Priority(); 72600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang try { 73600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang headerName(TokenTypes.PRIORITY); 74600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang 75600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang priority.setHeaderName(SIPHeaderNames.PRIORITY); 76600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang 77600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang this.lexer.SPorHT(); 78600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang /*this.lexer.match(TokenTypes.ID); 79600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang Token token = lexer.getNextToken(); 80600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang 81600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang priority.setPriority(token.getTokenValue()); 82600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang */ 83600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang // This is in violation of the RFC but 84600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang // let us be generous in what we accept. 85600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang priority.setPriority(this.lexer.ttokenSafe()); 86600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang 87600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang this.lexer.SPorHT(); 88600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang this.lexer.match('\n'); 89600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang 90600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang return priority; 91600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang } finally { 92600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang if (debug) 93600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang dbg_leave("PriorityParser.parse"); 94600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang } 95600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang } 96600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang 97600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang 98600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang public static void main(String args[]) throws ParseException { 99600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang String p[] = { 100600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang "Priority: 8;a\n" 101600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang }; 102600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang 103600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang for (int i = 0; i < p.length; i++ ) { 104600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang PriorityParser parser = 105600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang new PriorityParser(p[i]); 106600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang Priority prio= (Priority) parser.parse(); 107600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang System.out.println("encoded = " + prio.encode()); 108600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang } 109600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang } 110600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang 111600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang} 112600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang 113