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/*
* JBoss, Home of Professional Open Source
* Copyright 2011, Red Hat, Inc. and individual contributors
* by the @authors tag. See the copyright.txt in the distribution for a
* full listing of individual contributors.
*
* This is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2.1 of
* the License, or (at your option) any later version.
*
* This software is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
/*
* 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
*
* .
*
*/
/*
* AcceptLanguageParser.java
*
* Created on June 10, 2002, 3:31 PM
*/
package gov.nist.javax.sip.parser.chars;
import gov.nist.core.*;
import gov.nist.javax.sip.header.*;
import javax.sip.*;
import java.text.ParseException;
/**
* Parser for Accept Language Headers.
*
* Accept Language body.
*
*
* Accept-Language: da, en-gb;q=0.8, en;q=0.7
*
* @see AcceptLanguageList
* @version 1.2 $Revision: 1.8 $ $Date: 2009/07/17 18:57:56 $
*
* @author Olivier Deruelle
*
*/
public class AcceptLanguageParser extends HeaderParser {
/**
* Constructor
* @param acceptLanguage AcceptLanguage message to parse
*/
public AcceptLanguageParser(char[] acceptLanguage) {
super(acceptLanguage);
}
/**
* Constructor
* @param lexer Lexer to set
*/
protected AcceptLanguageParser(Lexer lexer) {
super(lexer);
}
/**
* parse the String message
* @return SIPHeader (AcceptLanguage object)
* @throws ParseException if the message does not respect the spec.
*/
public SIPHeader parse() throws ParseException {
AcceptLanguageList acceptLanguageList = new AcceptLanguageList();
if (debug)
dbg_enter("AcceptLanguageParser.parse");
try {
headerName(TokenTypes.ACCEPT_LANGUAGE);
while (lexer.lookAhead(0) != '\n') {
AcceptLanguage acceptLanguage = new AcceptLanguage();
acceptLanguage.setHeaderName(SIPHeaderNames.ACCEPT_LANGUAGE);
if (lexer.lookAhead(0) != ';') {
// Content-Coding:
lexer.match(TokenTypes.ID);
Token value = lexer.getNextToken();
acceptLanguage.setLanguageRange(value.getTokenValue());
}
while (lexer.lookAhead(0) == ';') {
this.lexer.match(';');
this.lexer.SPorHT();
this.lexer.match('q');
this.lexer.SPorHT();
this.lexer.match('=');
this.lexer.SPorHT();
lexer.match(TokenTypes.ID);
Token value = lexer.getNextToken();
try {
float fl = Float.parseFloat(value.getTokenValue());
acceptLanguage.setQValue(fl);
} catch (NumberFormatException ex) {
throw createParseException(ex.getMessage());
} catch (InvalidArgumentException ex) {
throw createParseException(ex.getMessage());
}
this.lexer.SPorHT();
}
acceptLanguageList.add(acceptLanguage);
if (lexer.lookAhead(0) == ',') {
this.lexer.match(',');
this.lexer.SPorHT();
} else
this.lexer.SPorHT();
}
} finally {
if (debug)
dbg_leave("AcceptLanguageParser.parse");
}
return acceptLanguageList;
}
}
/*
* $Log: AcceptLanguageParser.java,v $
* Revision 1.8 2009/07/17 18:57:56 emcho
* Converts indentation tabs to spaces so that we have a uniform indentation policy in the whole project.
*
* Revision 1.7 2006/07/13 09:02:11 mranga
* Issue number:
* Obtained from:
* Submitted by: jeroen van bemmel
* Reviewed by: mranga
* Moved some changes from jain-sip-1.2 to java.net
*
* CVS: ----------------------------------------------------------------------
* CVS: Issue number:
* CVS: If this change addresses one or more issues,
* CVS: then enter the issue number(s) here.
* CVS: Obtained from:
* CVS: If this change has been taken from another system,
* CVS: then name the system in this line, otherwise delete it.
* CVS: Submitted by:
* CVS: If this code has been contributed to the project by someone else; i.e.,
* CVS: they sent us a patch or a set of diffs, then include their name/email
* CVS: address here. If this is your work then delete this line.
* CVS: Reviewed by:
* CVS: If we are doing pre-commit code reviews and someone else has
* CVS: reviewed your changes, include their name(s) here.
* CVS: If you have not had it reviewed then delete this line.
*
* Revision 1.3 2006/06/19 06:47:27 mranga
* javadoc fixups
*
* Revision 1.2 2006/06/16 15:26:28 mranga
* Added NIST disclaimer to all public domain files. Clean up some javadoc. Fixed a leak
*
* Revision 1.1.1.1 2005/10/04 17:12:35 mranga
*
* Import
*
*
* Revision 1.5 2004/07/28 14:13:54 mranga
* Submitted by: mranga
*
* Move out the test code to a separate test/unit class.
* Fixed some encode methods.
*
* Revision 1.4 2004/01/22 13:26:31 sverker
* Issue number:
* Obtained from:
* Submitted by: sverker
* Reviewed by: mranga
*
* Major reformat of code to conform with style guide. Resolved compiler and javadoc warnings. Added CVS tags.
*
* CVS: ----------------------------------------------------------------------
* CVS: Issue number:
* CVS: If this change addresses one or more issues,
* CVS: then enter the issue number(s) here.
* CVS: Obtained from:
* CVS: If this change has been taken from another system,
* CVS: then name the system in this line, otherwise delete it.
* CVS: Submitted by:
* CVS: If this code has been contributed to the project by someone else; i.e.,
* CVS: they sent us a patch or a set of diffs, then include their name/email
* CVS: address here. If this is your work then delete this line.
* CVS: Reviewed by:
* CVS: If we are doing pre-commit code reviews and someone else has
* CVS: reviewed your changes, include their name(s) here.
* CVS: If you have not had it reviewed then delete this line.
*
*/
