SMTPAppender.java 文件源码

/**
   Activate the specified options, such as the smtp host, the
   recipient, from, etc. */
public
void activateOptions() {
  Session session = createSession();
  msg = new MimeMessage(session);

   try {
      addressMessage(msg);
      if(subject != null) {
         try {
              msg.setSubject(MimeUtility.encodeText(subject, "UTF-8", null));
         } catch(UnsupportedEncodingException ex) {
              LogLog.error("Unable to encode SMTP subject", ex);
         }
      }
   } catch(MessagingException e) {
     LogLog.error("Could not activate SMTPAppender options.", e );
   }

   if (evaluator instanceof OptionHandler) {
       ((OptionHandler) evaluator).activateOptions();
   }
}