@Override
  public void alertUsersOnTaskActivation(
      Context c, XmlWorkflowItem wfi, String emailTemplate, List<EPerson> epa, String... arguments)
      throws IOException, SQLException, MessagingException {
    if (noEMail.containsKey(wfi.getItem().getID())) {
      // suppress email, and delete key
      noEMail.remove(wfi.getItem().getID());
    } else {
      Email mail = Email.getEmail(I18nUtil.getEmailFilename(c.getCurrentLocale(), emailTemplate));
      for (String argument : arguments) {
        mail.addArgument(argument);
      }
      for (EPerson anEpa : epa) {
        mail.addRecipient(anEpa.getEmail());
      }

      mail.send();
    }
  }
  /**
   * notify the submitter that the item is archived
   *
   * @param context The relevant DSpace Context.
   * @param item which item was archived
   * @param coll collection name to display in template
   * @throws SQLException An exception that provides information on a database access error or other
   *     errors.
   * @throws IOException A general class of exceptions produced by failed or interrupted I/O
   *     operations.
   */
  protected void notifyOfArchive(Context context, Item item, Collection coll)
      throws SQLException, IOException {
    try {
      // Get submitter
      EPerson ep = item.getSubmitter();
      // Get the Locale
      Locale supportedLocale = I18nUtil.getEPersonLocale(ep);
      Email email = Email.getEmail(I18nUtil.getEmailFilename(supportedLocale, "submit_archive"));

      // Get the item handle to email to user
      String handle = handleService.findHandle(context, item);

      // Get title
      List<MetadataValue> titles =
          itemService.getMetadata(item, MetadataSchema.DC_SCHEMA, "title", null, Item.ANY);
      String title = "";
      try {
        title = I18nUtil.getMessage("org.dspace.workflow.WorkflowManager.untitled");
      } catch (MissingResourceException e) {
        title = "Untitled";
      }
      if (titles.size() > 0) {
        title = titles.iterator().next().getValue();
      }

      email.addRecipient(ep.getEmail());
      email.addArgument(title);
      email.addArgument(coll.getName());
      email.addArgument(handleService.getCanonicalForm(handle));

      email.send();
    } catch (MessagingException e) {
      log.warn(
          LogManager.getHeader(
              context, "notifyOfArchive", "cannot email user" + " item_id=" + item.getID()));
    }
  }
  protected void notifyOfReject(Context c, XmlWorkflowItem wi, EPerson e, String reason) {
    try {
      // Get the item title
      String title = wi.getItem().getName();

      // Get the collection
      Collection coll = wi.getCollection();

      // Get rejector's name
      String rejector = getEPersonName(e);
      Locale supportedLocale = I18nUtil.getEPersonLocale(e);
      Email email = Email.getEmail(I18nUtil.getEmailFilename(supportedLocale, "submit_reject"));

      email.addRecipient(wi.getSubmitter().getEmail());
      email.addArgument(title);
      email.addArgument(coll.getName());
      email.addArgument(rejector);
      email.addArgument(reason);
      email.addArgument(ConfigurationManager.getProperty("dspace.url") + "/mydspace");

      email.send();
    } catch (Exception ex) {
      // log this email error
      log.warn(
          LogManager.getHeader(
              c,
              "notify_of_reject",
              "cannot email user"
                  + " eperson_id"
                  + e.getID()
                  + " eperson_email"
                  + e.getEmail()
                  + " workflow_item_id"
                  + wi.getID()));
    }
  }