if (containsCertificate(alias))
log.entering(this.getClass().getName(), "putCertificate", new Object[] { alias, cert });  if (! containsCertificate(alias))
  public void putCertificate(String alias, Certificate cert)  {    if (containsCertificate(alias))      {        return;      }    Properties p = new Properties();    p.put("alias", fixAlias(alias));    add(new CertificateEntry(cert, new Date(), p));  }