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 Wang/******************************************* 27600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang * PRODUCT OF PT INOVACAO - EST DEPARTMENT * 28600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang *******************************************/ 29600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang 30600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wangpackage gov.nist.javax.sip.parser.ims; 31600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang 32600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wangimport gov.nist.core.Token; 33600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wangimport gov.nist.javax.sip.header.SIPHeader; 34600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wangimport gov.nist.javax.sip.header.ims.PVisitedNetworkID; 35600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wangimport gov.nist.javax.sip.header.ims.PVisitedNetworkIDList; 36600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wangimport gov.nist.javax.sip.parser.Lexer; 37600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wangimport gov.nist.javax.sip.parser.ParametersParser; 38600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wangimport gov.nist.javax.sip.parser.TokenTypes; 39600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang 40600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wangimport java.text.ParseException; 41600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang 42600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang/** 43600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang * P-Visited-Network-ID header parser. 44600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang * 45600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang * <pre> 46600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang * P-Visited-Network-ID = "P-Visited-Network-ID" HCOLON 47600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang * vnetwork-spec 48600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang * *(COMMA vnetwork-spec) 49600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang * vnetwork-spec = (token / quoted-string) 50600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang * *(SEMI vnetwork-param) 51600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang * vnetwork-param = generic-param 52600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang * </pre> 53600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang * 54600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang * @author ALEXANDRE MIGUEL SILVA SANTOS 55600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang */ 56600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang 57600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang/* 58600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang 59600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang */ 60600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang 61600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wangpublic class PVisitedNetworkIDParser extends ParametersParser implements TokenTypes { 62600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang 63600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang /** 64600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang * Constructor 65600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang */ 66600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang public PVisitedNetworkIDParser(String networkID) { 67600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang super(networkID); 68600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang 69600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang } 70600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang 71600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang protected PVisitedNetworkIDParser(Lexer lexer) { 72600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang super(lexer); 73600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang 74600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang } 75600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang 76600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang 77600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang 78600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang 79600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang public SIPHeader parse() throws ParseException { 80600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang 81600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang PVisitedNetworkIDList visitedNetworkIDList = new PVisitedNetworkIDList(); 82600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang 83600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang if (debug) 84600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang dbg_enter("VisitedNetworkIDParser.parse"); 85600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang 86600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang try { 87600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang this.lexer.match(TokenTypes.P_VISITED_NETWORK_ID); 88600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang this.lexer.SPorHT(); 89600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang this.lexer.match(':'); 90600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang this.lexer.SPorHT(); 91600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang 92600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang while (true) { 93600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang 94600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang PVisitedNetworkID visitedNetworkID = new PVisitedNetworkID(); 95600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang 96600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang if (this.lexer.lookAhead(0) == '\"') 97600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang parseQuotedString(visitedNetworkID); 98600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang else 99600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang parseToken(visitedNetworkID); 100600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang 101600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang visitedNetworkIDList.add(visitedNetworkID); 102600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang 103600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang this.lexer.SPorHT(); 104600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang char la = lexer.lookAhead(0); 105600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang if (la == ',') { 106600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang this.lexer.match(','); 107600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang this.lexer.SPorHT(); 108600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang } else if (la == '\n') 109600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang break; 110600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang else 111600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang throw createParseException("unexpected char = " + la); 112600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang } 113600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang return visitedNetworkIDList; 114600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang } finally { 115600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang if (debug) 116600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang dbg_leave("VisitedNetworkIDParser.parse"); 117600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang } 118600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang 119600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang } 120600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang 121600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang protected void parseQuotedString(PVisitedNetworkID visitedNetworkID) throws ParseException { 122600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang 123600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang if (debug) 124600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang dbg_enter("parseQuotedString"); 125600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang 126600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang try { 127600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang 128600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang StringBuffer retval = new StringBuffer(); 129600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang 130600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang if (this.lexer.lookAhead(0) != '\"') 131600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang throw createParseException("unexpected char"); 132600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang this.lexer.consume(1); 133600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang 134600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang while (true) { 135600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang char next = this.lexer.getNextChar(); 136600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang if (next == '\"') { 137600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang // Got to the terminating quote. 138600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang break; 139600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang } else if (next == '\0') { 140600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang throw new ParseException("unexpected EOL", 1); 141600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang } else if (next == '\\') { 142600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang retval.append(next); 143600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang next = this.lexer.getNextChar(); 144600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang retval.append(next); 145600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang } else { 146600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang retval.append(next); 147600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang } 148600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang } 149600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang 150600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang visitedNetworkID.setVisitedNetworkID(retval.toString()); 151600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang super.parse(visitedNetworkID); 152600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang 153600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang 154600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang 155600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang }finally { 156600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang if (debug) 157600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang dbg_leave("parseQuotedString.parse"); 158600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang } 159600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang 160600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang } 161600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang 162600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang protected void parseToken(PVisitedNetworkID visitedNetworkID) throws ParseException 163600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang { 164600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang // issued by Miguel Freitas 165600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang 166600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang lexer.match(TokenTypes.ID); 167600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang Token token = lexer.getNextToken(); 168600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang //String value = token.getTokenValue(); 169600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang visitedNetworkID.setVisitedNetworkID(token); 170600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang super.parse(visitedNetworkID); 171600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang 172600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang } 173600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang 174600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang 175600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang} 176