All Downloads are FREE. Search and download functionalities are using the official Maven repository.

gov.nist.javax.sip.parser.AlertInfoParser Maven / Gradle / Ivy

/*
* 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.core.*;
import gov.nist.javax.sip.header.*;
import gov.nist.javax.sip.address.*;
import java.text.ParseException;

/**
 * Parser for AlertInfo header.
 *
 * @version 1.2 $Revision: 1.7 $ $Date: 2007/10/18 17:48:09 $
 *
 * @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);

			while (lexer.lookAhead(0) != '\n') {
				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();
					alertInfo.setAlertInfo(uri);
					this.lexer.match('>');
				} else {
					this.lexer.match(TokenTypes.ID);
					Token token = lexer.getNextToken();
					alertInfo.setAlertInfo(token.getTokenValue());
				}
				this.lexer.SPorHT();

				super.parse(alertInfo);
				list.add(alertInfo);

				while (lexer.lookAhead(0) == ',') {
					this.lexer.match(',');
					this.lexer.SPorHT();

					alertInfo = new AlertInfo();

					this.lexer.SPorHT();
					if (this.lexer.lookAhead(0) == '<') {
						this.lexer.match('<');
						urlParser = new URLParser((Lexer) this.lexer);
						uri = urlParser.uriReference();
						alertInfo.setAlertInfo(uri);
						this.lexer.match('>');
					} else {
						this.lexer.match(TokenTypes.ID);
						Token token = lexer.getNextToken();
						alertInfo.setAlertInfo(token.getTokenValue());
					}
					this.lexer.SPorHT();

					super.parse(alertInfo);
					list.add(alertInfo);
				}
			}
			return list;
		} finally {
			if (debug)
				dbg_leave("AlertInfoParser.parse");
		}
	}
}
/*
 * $Log: AlertInfoParser.java,v $
 * 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.
 *
 */




© 2015 - 2025 Weber Informatics LLC | Privacy Policy