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

/**
 * Address parameters parser.
 *
 * @version 1.2 $Revision: 1.10 $ $Date: 2009-10-22 10:25:57 $
 * @author M. Ranganathan
 * @since 1.1
 *
 */
public class AddressParametersParser extends ParametersParser {

	protected boolean allowParameters = true;
	
    protected AddressParametersParser(Lexer lexer) {
        super(lexer);
    }

    protected AddressParametersParser(String buffer) {
        super(buffer);
    }

    protected void parse(AddressParametersHeader addressParametersHeader)
        throws ParseException {
        dbg_enter("AddressParametersParser.parse");
        try {
            AddressParser addressParser = new AddressParser(this.getLexer());
            AddressImpl addr = addressParser.address(false);
            addressParametersHeader.setAddress(addr);
            lexer.SPorHT();
            char la = this.lexer.lookAhead(0);
            if ( this.lexer.hasMoreChars() &&
                 la != '\0' &&
                 la != '\n' &&
                 this.lexer.startsId()) {

                 super.parseNameValueList(addressParametersHeader);


            }  else {
            	if (this.allowParameters == false) {
            	   lexer.SPorHT();            	
            	   if (this.lexer.lookAhead(0) == ';') {            		
                		throw new ParseException(this.lexer.getBuffer() +  "is not valid. This header doesn't allow parameters" , this.lexer.getPtr());
                	}
            	}
            	super.parse(addressParametersHeader);
            }

        } catch (ParseException ex) {
            throw ex;
        } finally {
            dbg_leave("AddressParametersParser.parse");
        }
    }
}