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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
 *
 * .
 *
 */
PRODUCT OF PT INOVACAO - EST DEPARTMENT and Telecommunications Institute (Aveiro, Portugal) * /
 
 
 
 package gov.nist.javax.sip.parser.ims;

Security Agreement for SIP.

headers: Security-Client, Security-Server and Security-Verify

Author(s):
Miguel Freitas (IT) PT-Inovacao
 
 
 
 
 
 
 
 public class SecurityAgreeParser extends HeaderParser
 {
 
     public SecurityAgreeParser(String security) {
         super(security);
     }
 
 
     protected SecurityAgreeParser(Lexer lexer) {
         super(lexer);
     }
 
 
     protected void parseParameter(SecurityAgree header)
         throws ParseException
     {
         if ()
             dbg_enter("parseParameter");
         try {
             NameValue nv = this.nameValue('=');
             header.setParameter(nv);
         } finally {
             if ()
                 dbg_leave("parseParameter");
         }
     }
 
 
     public SIPHeaderList parse(SecurityAgree headerthrows ParseException
     {
 
         SIPHeaderList list;
 
         if (header.getClass().isInstance(new SecurityClient())) {
             list = new SecurityClientList();
         } else if (header.getClass().isInstance(new SecurityServer())) {
             list = new SecurityServerList();
         } else if (header.getClass().isInstance(new SecurityVerify())) {
             list = new SecurityVerifyList();
         }
         else
             return null;
 
 
         // the security-mechanism:
         this..SPorHT();
         .match(.);
        Token type = .getNextToken();
        header.setSecurityMechanism(type.getTokenValue());
        this..SPorHT();
        char la = .lookAhead(0);
        if (la == '\n')
        {
            list.add(header);
            return list;
        }
        else if (la == ';')
            this..match(';');
        this..SPorHT();
        // The parameters:
        try {
            while (.lookAhead(0) != '\n') {
                this.parseParameter(header);
                this..SPorHT();
                char laInLoop = .lookAhead(0);
                if (laInLoop == '\n' || laInLoop == '\0')
                    break;
                else if (laInLoop == ',')
                {
                    list.add(header);
                    if (header.getClass().isInstance(new SecurityClient())) {
                        header = new SecurityClient();
                    } else if (header.getClass().isInstance(new SecurityServer())) {
                        header = new SecurityServer();
                    } else if (header.getClass().isInstance(new SecurityVerify())) {
                        header = new SecurityVerify();
                    }
                    this..match(',');
                    // the security-mechanism:
                    this..SPorHT();
                    .match(.);
                    type = .getNextToken();
                    header.setSecurityMechanism(type.getTokenValue());
                }
                this..SPorHT();
                if (.lookAhead(0) == ';')
                    this..match(';');
                this..SPorHT();
            }
            list.add(header);
            return list;
        } catch (ParseException ex) {
            throw ex;
        }
    }
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