content: /*
  * 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 NIST/ITL Advanced Networking Technologies Division (ANTD).        *
  *******************************************************************************/
  package gov2.nist.javax2.sip.header;
  
  import java.text.ParseException;
  
  /**
   *  Protocol name and version.
   *
   * @version 1.2 $Revision: 1.8 $ $Date: 2009/07/17 18:57:33 $
   *
   * @author M. Ranganathan   <br/>
   *
   *
   *
   */
  public class Protocol extends SIPObject {
  
      /**
       * Comment for <code>serialVersionUID</code>
       */
      private static final long serialVersionUID = 2216758055974073280L;
  
      /** protocolName field
       */
      protected String protocolName;
  
      /** protocolVersion field
       */
      protected String protocolVersion;
  
      /** transport field
       */
      protected String transport;
  
      /**
       * Return canonical form.
       * @return String
       */
      public String encode() {
          return encode(new StringBuffer()).toString();
      }
  
      public StringBuffer encode(StringBuffer buffer) {
          buffer.append(protocolName.toUpperCase())
                  .append(SLASH)
                  .append(protocolVersion)
                  .append(SLASH)
                  .append(transport.toUpperCase());
  
          return buffer;
      }
  
      /** get the protocol name
       * @return String
       */
      public String getProtocolName() {
          return protocolName;
      }
  
      /** get the protocol version
       * @return String
       */
      public String getProtocolVersion() {
          return protocolVersion;
      }
  
      /**
       * Get the protocol name + version
       * JvB: This is what is returned in the ViaHeader interface for 'getProtocol()'
       *
       * @return String : protocolname + '/' + version
       */
      public String getProtocol() {
          return protocolName + '/' + protocolVersion;
      }
  
      public void setProtocol( String name_and_version ) throws ParseException {
          int slash = name_and_version.indexOf('/');
          if (slash>0) {
              this.protocolName = name_and_version.substring(0,slash);
              this.protocolVersion = name_and_version.substring( slash+1 );
          } else throw new ParseException( "Missing '/' in protocol", 0 );
      }
  
      /** get the transport
       * @return String
       */
      public String getTransport() {
          return transport;
      }
  
      /**
           * Set the protocolName member
           * @param p String to set
           */
      public void setProtocolName(String p) {
          protocolName = p;
      }
  
      /**
           * Set the protocolVersion member
           * @param p String to set
           */
      public void setProtocolVersion(String p) {
          protocolVersion = p;
      }
  
      /**
           * Set the transport member
           * @param t String to set
           */
      public void setTransport(String t) {
          transport = t;
      }
  
      /**
      * Default constructor.
      */
      public Protocol() {
          protocolName = "SIP";
          protocolVersion = "2.0";
          transport = "UDP";
      }
  }
  /*
   * $Log: Protocol.java,v $
   * Revision 1.8  2009/07/17 18:57:33  emcho
   * Converts indentation tabs to spaces so that we have a uniform indentation policy in the whole project.
   *
   * Revision 1.7  2007/02/12 15:19:23  belangery
   * Changed the encode() and encodeBody() methods of SIP headers and basic classes to make them use the same StringBuffer instance during the encoding phase.
   *
   * Revision 1.6  2006/07/13 09:01:24  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 1.4  2006/06/19 06:47:26  mranga
   * javadoc fixups
   *
   * Revision 1.3  2006/06/16 15:26:28  mranga
   * Added NIST disclaimer to all public domain files. Clean up some javadoc. Fixed a leak
   *
   * Revision 1.2  2005/10/09 18:47:53  jeroen
   * defined equals() in terms of API calls
   *
   * Revision 1.1.1.1  2005/10/04 17:12:35  mranga
   *
   * Import
   *
   *
   * Revision 1.2  2004/01/22 13:26:29  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.
   *
   */
  