/**
  * create a sip uri.
  *
  * @param uri -- the uri to parse.
  */
 public javax.sip.address.SipURI createSipURI(String uri)
     //  throws java.net.URISyntaxException {
     throws ParseException {
   if (uri == null) throw new NullPointerException("null URI");
   try {
     StringMsgParser smp = new StringMsgParser();
     SipUri sipUri = smp.parseSIPUrl(uri);
     return (SipURI) sipUri;
   } catch (ParseException ex) {
     //  throw new java.net.URISyntaxException(uri, ex.getMessage());
     throw new ParseException(ex.getMessage(), 0);
   }
 }
  /**
   * Create a SipURI
   *
   * @param user -- the user
   * @param host -- the host.
   */
  public javax.sip.address.SipURI createSipURI(String user, String host) throws ParseException {
    if (host == null) throw new NullPointerException("null host");

    StringBuffer uriString = new StringBuffer("sip:");
    if (user != null) {
      uriString.append(user);
      uriString.append("@");
    }

    // if host is an IPv6 string we should enclose it in sq brackets
    if (host.indexOf(':') != host.lastIndexOf(':') && host.trim().charAt(0) != '[')
      host = '[' + host + ']';

    uriString.append(host);

    StringMsgParser smp = new StringMsgParser();
    try {

      SipUri sipUri = smp.parseSIPUrl(uriString.toString());
      return sipUri;
    } catch (ParseException ex) {
      throw new ParseException(ex.getMessage(), 0);
    }
  }