private Bindings getBindings(Execution execution, JCRSessionWrapper session)
      throws RepositoryException {
    EnvironmentImpl environment = EnvironmentImpl.getCurrent();
    final Map<String, Object> vars = ((ExecutionImpl) execution).getVariables();
    Locale locale = (Locale) vars.get("locale");
    final Bindings bindings = new MyBindings(environment);
    ResourceBundle resourceBundle =
        JahiaResourceBundle.lookupBundle(
            "org.jahia.services.workflow."
                + ((ExecutionImpl) execution).getProcessDefinition().getKey(),
            locale);
    bindings.put("bundle", resourceBundle);
    JahiaUser jahiaUser =
        ServicesRegistry.getInstance()
            .getJahiaUserManagerService()
            .lookupUserByKey((String) vars.get("user"));
    bindings.put("user", jahiaUser);
    bindings.put("date", new DateTool());
    bindings.put("submissionDate", Calendar.getInstance());
    bindings.put("locale", locale);
    bindings.put("workspace", vars.get("workspace"));

    List<JCRNodeWrapper> nodes = new LinkedList<JCRNodeWrapper>();
    @SuppressWarnings("unchecked")
    List<String> stringList = (List<String>) vars.get("nodeIds");
    for (String s : stringList) {
      JCRNodeWrapper nodeByUUID = session.getNodeByUUID(s);
      if (!nodeByUUID.isNodeType("jnt:translation")) {
        nodes.add(nodeByUUID);
      }
    }
    bindings.put("nodes", nodes);
    return bindings;
  }
  protected void fillContent(Message email, Execution execution, JCRSessionWrapper session)
      throws MessagingException {
    String text = getTemplate().getText();
    String html = getTemplate().getHtml();
    List<AttachmentTemplate> attachmentTemplates = getTemplate().getAttachmentTemplates();

    try {
      if (html != null || !attachmentTemplates.isEmpty()) {
        // multipart
        MimeMultipart multipart = new MimeMultipart("related");

        BodyPart p = new MimeBodyPart();
        Multipart alternatives = new MimeMultipart("alternative");
        p.setContent(alternatives, "multipart/alternative");
        multipart.addBodyPart(p);

        // html
        if (html != null) {
          BodyPart htmlPart = new MimeBodyPart();
          html = evaluateExpression(execution, html, session);
          htmlPart.setContent(html, "text/html; charset=UTF-8");
          alternatives.addBodyPart(htmlPart);
        }

        // text
        if (text != null) {
          BodyPart textPart = new MimeBodyPart();
          text = evaluateExpression(execution, text, session);
          textPart.setContent(text, "text/plain; charset=UTF-8");
          alternatives.addBodyPart(textPart);
        }

        // attachments
        if (!attachmentTemplates.isEmpty()) {
          addAttachments(execution, multipart);
        }

        email.setContent(multipart);
      } else if (text != null) {
        // unipart
        text = evaluateExpression(execution, text, session);
        email.setText(text);
      }
    } catch (RepositoryException e) {
      logger.error(e.getMessage(), e);
    } catch (ScriptException e) {
      logger.error(e.getMessage(), e);
    }
  }
 /** construct recipient addresses from user entities */
 private Address[] resolveAddresses(List<User> users, AddressResolver addressResolver) {
   int userCount = users.size();
   List<Address> addresses = new ArrayList<Address>();
   for (int i = 0; i < userCount; i++) {
     if (!StringUtils.isEmpty(users.get(i).getBusinessEmail())) {
       addresses.add(addressResolver.resolveAddress(users.get(i)));
     }
   }
   return addresses.toArray(new Address[addresses.size()]);
 }