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/*
* 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
*
* .
*
*/
package gov.nist.javax.sip.parser;
import gov.nist.javax.sip.address.GenericURI;
import gov.nist.javax.sip.header.AlertInfo;
import gov.nist.javax.sip.header.AlertInfoList;
import gov.nist.javax.sip.header.SIPHeader;
import gov.nist.javax.sip.header.SIPHeaderNames;
import java.text.ParseException;
/**
* Parser for AlertInfo header.
*
* @version 1.2 $Revision: 1.10 $ $Date: 2009-11-07 23:35:49 $
*
* @author Olivier Deruelle
* @author M. Ranganathan
*
*/
public class AlertInfoParser extends ParametersParser {
/**
* Creates a new instance of AlertInfo Parser
* @param alertInfo the header to parse
*/
public AlertInfoParser(String alertInfo) {
super(alertInfo);
}
/**
* Constructor
* @param lexer the lexer to use to parse the header
*/
protected AlertInfoParser(Lexer lexer) {
super(lexer);
}
/**
* parse the AlertInfo String header
* @return SIPHeader (AlertInfoList object)
* @throws SIPParseException if the message does not respect the spec.
*/
public SIPHeader parse() throws ParseException {
if (debug)
dbg_enter("AlertInfoParser.parse");
AlertInfoList list = new AlertInfoList();
try {
headerName(TokenTypes.ALERT_INFO);
int lineCount = 0;
//Allow only 20 lines in alert-info.
while ( (lexer.lookAhead(0) != '\n') && (lineCount < 20) ) {
do {
AlertInfo alertInfo = new AlertInfo();
alertInfo.setHeaderName(SIPHeaderNames.ALERT_INFO);
URLParser urlParser;
GenericURI uri;
this.lexer.SPorHT();
if (this.lexer.lookAhead(0) == '<') {
this.lexer.match('<');
urlParser = new URLParser((Lexer) this.lexer);
uri = urlParser.uriReference( true );
alertInfo.setAlertInfo(uri);
this.lexer.match('>');
} else {
/* This is non standard for Polycom support.
* I know it is bad grammar but please do not remove. mranga
*/
String alertInfoStr = this.lexer.byteStringNoSemicolon();
alertInfo.setAlertInfo(alertInfoStr);
}
this.lexer.SPorHT();
super.parse(alertInfo);
list.add(alertInfo);
if ( lexer.lookAhead(0) == ',' ) {
this.lexer.match(',');
} else break;
} while (true);
lineCount++;
}
return list;
} finally {
if (debug)
dbg_leave("AlertInfoParser.parse");
}
}
}
/*
* $Log: not supported by cvs2svn $
* Revision 1.9 2009/10/22 10:27:36 jbemmel
* Fix for issue #230, restructured the code such that parsing for any address appearing without '<' '>'
* stops at ';', then parameters are assigned to the header as expected
*
* Revision 1.8 2009/07/17 18:57:57 emcho
* Converts indentation tabs to spaces so that we have a uniform indentation policy in the whole project.
*
* Revision 1.7 2007/10/18 17:48:09 mranga
* Issue number:
* Obtained from:
* Submitted by: mardy
* Reviewed by: mranga
* Alert info patch to accept non standard alert info headers.
*
* Revision 1.6 2006/07/13 09:02:19 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 1.4 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.
*
*/
