AcceptLanguageParser.java revision 600c7a4bbc7348167293eac928192e695b4ad5ba
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 * AcceptLanguageParser.java 28600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang * 29600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang * Created on June 10, 2002, 3:31 PM 30600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang */ 31600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang 32600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wangpackage gov.nist.javax.sip.parser; 33600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wangimport gov.nist.core.*; 34600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wangimport gov.nist.javax.sip.header.*; 35600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wangimport javax.sip.*; 36600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wangimport java.text.ParseException; 37600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang 38600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang 39600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang/** 40600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang * Parser for Accept Language Headers. 41600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang * 42600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang * Accept Language body. 43600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang * <pre> 44600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang * 45600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang * Accept-Language = "Accept-Language" ":" 46600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang * 1#( language-range [ ";" "q" "=" qvalue ] ) 47600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang * language-range = ( ( 1*8ALPHA *( "-" 1*8ALPHA ) ) | "*" ) 48600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang * 49600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang * HTTP RFC 2616 Section 14.4 50600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang * </pre> 51600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang * 52600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang * Accept-Language: da, en-gb;q=0.8, en;q=0.7 53600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang * 54600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang * @see AcceptLanguageList 55600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang * @version 1.2 $Revision: 1.8 $ $Date: 2009/07/17 18:57:56 $ 56600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang * 57600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang * @author Olivier Deruelle 58600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang * 59600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang */ 60600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wangpublic class AcceptLanguageParser extends HeaderParser { 61600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang 62600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang /** 63600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang * Constructor 64600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang * @param acceptLanguage AcceptLanguage message to parse 65600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang */ 66600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang public AcceptLanguageParser(String acceptLanguage) { 67600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang super(acceptLanguage); 68600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang } 69600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang 70600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang /** 71600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang * Constructor 72600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang * @param lexer Lexer to set 73600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang */ 74600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang protected AcceptLanguageParser(Lexer lexer) { 75600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang super(lexer); 76600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang } 77600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang 78600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang /** 79600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang * parse the String message 80600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang * @return SIPHeader (AcceptLanguage object) 81600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang * @throws ParseException if the message does not respect the spec. 82600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang */ 83600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang public SIPHeader parse() throws ParseException { 84600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang AcceptLanguageList acceptLanguageList = new AcceptLanguageList(); 85600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang if (debug) 86600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang dbg_enter("AcceptLanguageParser.parse"); 87600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang 88600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang try { 89600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang headerName(TokenTypes.ACCEPT_LANGUAGE); 90600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang 91600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang while (lexer.lookAhead(0) != '\n') { 92600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang AcceptLanguage acceptLanguage = new AcceptLanguage(); 93600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang acceptLanguage.setHeaderName(SIPHeaderNames.ACCEPT_LANGUAGE); 94600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang if (lexer.lookAhead(0) != ';') { 95600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang // Content-Coding: 96600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang lexer.match(TokenTypes.ID); 97600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang Token value = lexer.getNextToken(); 98600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang acceptLanguage.setLanguageRange(value.getTokenValue()); 99600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang } 100600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang 101600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang while (lexer.lookAhead(0) == ';') { 102600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang this.lexer.match(';'); 103600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang this.lexer.SPorHT(); 104600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang this.lexer.match('q'); 105600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang this.lexer.SPorHT(); 106600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang this.lexer.match('='); 107600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang this.lexer.SPorHT(); 108600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang lexer.match(TokenTypes.ID); 109600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang Token value = lexer.getNextToken(); 110600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang try { 111600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang float fl = Float.parseFloat(value.getTokenValue()); 112600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang acceptLanguage.setQValue(fl); 113600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang } catch (NumberFormatException ex) { 114600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang throw createParseException(ex.getMessage()); 115600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang } catch (InvalidArgumentException ex) { 116600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang throw createParseException(ex.getMessage()); 117600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang } 118600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang this.lexer.SPorHT(); 119600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang } 120600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang 121600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang acceptLanguageList.add(acceptLanguage); 122600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang if (lexer.lookAhead(0) == ',') { 123600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang this.lexer.match(','); 124600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang this.lexer.SPorHT(); 125600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang } else 126600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang this.lexer.SPorHT(); 127600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang 128600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang } 129600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang } finally { 130600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang if (debug) 131600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang dbg_leave("AcceptLanguageParser.parse"); 132600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang } 133600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang 134600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang return acceptLanguageList; 135600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang } 136600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang} 137600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang/* 138600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang * $Log: AcceptLanguageParser.java,v $ 139600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang * Revision 1.8 2009/07/17 18:57:56 emcho 140600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang * Converts indentation tabs to spaces so that we have a uniform indentation policy in the whole project. 141600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang * 142600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang * Revision 1.7 2006/07/13 09:02:11 mranga 143600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang * Issue number: 144600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang * Obtained from: 145600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang * Submitted by: jeroen van bemmel 146600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang * Reviewed by: mranga 147600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang * Moved some changes from jain-sip-1.2 to java.net 148600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang * 149600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang * CVS: ---------------------------------------------------------------------- 150600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang * CVS: Issue number: 151600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang * CVS: If this change addresses one or more issues, 152600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang * CVS: then enter the issue number(s) here. 153600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang * CVS: Obtained from: 154600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang * CVS: If this change has been taken from another system, 155600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang * CVS: then name the system in this line, otherwise delete it. 156600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang * CVS: Submitted by: 157600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang * CVS: If this code has been contributed to the project by someone else; i.e., 158600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang * CVS: they sent us a patch or a set of diffs, then include their name/email 159600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang * CVS: address here. If this is your work then delete this line. 160600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang * CVS: Reviewed by: 161600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang * CVS: If we are doing pre-commit code reviews and someone else has 162600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang * CVS: reviewed your changes, include their name(s) here. 163600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang * CVS: If you have not had it reviewed then delete this line. 164600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang * 165600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang * Revision 1.3 2006/06/19 06:47:27 mranga 166600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang * javadoc fixups 167600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang * 168600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang * Revision 1.2 2006/06/16 15:26:28 mranga 169600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang * Added NIST disclaimer to all public domain files. Clean up some javadoc. Fixed a leak 170600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang * 171600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang * Revision 1.1.1.1 2005/10/04 17:12:35 mranga 172600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang * 173600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang * Import 174600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang * 175600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang * 176600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang * Revision 1.5 2004/07/28 14:13:54 mranga 177600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang * Submitted by: mranga 178600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang * 179600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang * Move out the test code to a separate test/unit class. 180600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang * Fixed some encode methods. 181600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang * 182600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang * Revision 1.4 2004/01/22 13:26:31 sverker 183600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang * Issue number: 184600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang * Obtained from: 185600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang * Submitted by: sverker 186600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang * Reviewed by: mranga 187600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang * 188600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang * Major reformat of code to conform with style guide. Resolved compiler and javadoc warnings. Added CVS tags. 189600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang * 190600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang * CVS: ---------------------------------------------------------------------- 191600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang * CVS: Issue number: 192600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang * CVS: If this change addresses one or more issues, 193600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang * CVS: then enter the issue number(s) here. 194600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang * CVS: Obtained from: 195600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang * CVS: If this change has been taken from another system, 196600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang * CVS: then name the system in this line, otherwise delete it. 197600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang * CVS: Submitted by: 198600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang * CVS: If this code has been contributed to the project by someone else; i.e., 199600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang * CVS: they sent us a patch or a set of diffs, then include their name/email 200600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang * CVS: address here. If this is your work then delete this line. 201600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang * CVS: Reviewed by: 202600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang * CVS: If we are doing pre-commit code reviews and someone else has 203600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang * CVS: reviewed your changes, include their name(s) here. 204600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang * CVS: If you have not had it reviewed then delete this line. 205600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang * 206600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang */ 207