public  void buildFinished(BuildEvent event) 
{
                       
        super.buildFinished(event);
        Project project = event.getProject();
        Hashtable properties = project.getProperties();
        // overlay specified properties file (if any), which overrides project
        // settings
        Properties fileProperties = new Properties();
        String filename = (String) properties.get("MailLogger.properties.file");
        if (filename != null) {
            InputStream is = null;
            try {
                is = new FileInputStream(filename);
                fileProperties.load(is);
            } catch (IOException ioe) {
                // ignore because properties file is not required
            } finally {
                if (is != null) {
                    try {
                        is.close();
                    } catch (IOException e) {
                        // ignore
                    }
                }
            }
        }
        for (Enumeration e = fileProperties.keys(); e.hasMoreElements();) {
            String key = (String) e.nextElement();
            String value = fileProperties.getProperty(key);
            properties.put(key, project.replaceProperties(value));
        }
        boolean success = (event.getException() == null);
        String prefix = success ? "success" : "failure";
        try {
            boolean notify = Project.toBoolean(getValue(properties,
                    prefix + ".notify", "on"));
            if (!notify) {
                return;
            }
            Values values = new Values()
                .mailhost(getValue(properties, "mailhost", "localhost"))
                .port(Integer.parseInt(
                          getValue(
                              properties, "port",
                              String.valueOf(MailMessage.DEFAULT_PORT))))
                .user(getValue(properties, "user", ""))
                .password(getValue(properties, "password", ""))
                .ssl(Project.toBoolean(getValue(properties,
                                                "ssl", "off")))
                .from(getValue(properties, "from", null))
                .replytoList(getValue(properties, "replyto", ""))
                .toList(getValue(properties, prefix + ".to", null))
                .subject(getValue(
                             properties, prefix + ".subject",
                             (success) ? "Build Success" : "Build Failure"));
            if (values.user().equals("")
                && values.password().equals("")
                && !values.ssl()) {
                sendMail(values, buffer.substring(0));
            } else {
                sendMimeMail(
                    event.getProject(), values, buffer.substring(0));
            }
        } catch (Exception e) {
            System.out.println("MailLogger failed to send e-mail!");
            e.printStackTrace(System.err);
        }
}

Sends an e-mail with the log results.

 protected  void log(String message) 
{
        buffer.append(message).append(StringUtils.LINE_SEP);
}

Receives and buffers log messages.