public void executeEmailNotification(
EmailNotification notification, Task task, EntityManager em) {
Map<String, EmailNotificationHeader> headers = notification.getEmailHeaders();
// group users into languages
Map<String, List<User>> users = new HashMap<String, List<User>>();
for (OrganizationalEntity entity : notification.getBusinessAdministrators()) {
if (entity instanceof Group) {
buildMapByLanguage(users, (Group) entity);
} else {
buildMapByLanguage(users, (User) entity);
}
}
for (OrganizationalEntity entity : notification.getRecipients()) {
if (entity instanceof Group) {
buildMapByLanguage(users, (Group) entity);
} else {
buildMapByLanguage(users, (User) entity);
}
}
TaskData taskData = task.getTaskData();
Map<String, Object> doc = null;
if (taskData != null) {
Content content = em.find(Content.class, taskData.getDocumentContentId());
if (content != null) {
ExpressionCompiler compiler = new ExpressionCompiler(new String(content.getContent()));
doc = (Map<String, Object>) MVEL.executeExpression(compiler.compile());
} else {
doc = Collections.emptyMap();
}
}
for (Iterator<Entry<String, List<User>>> it = users.entrySet().iterator(); it.hasNext(); ) {
Entry<String, List<User>> entry = it.next();
EmailNotificationHeader header = headers.get(entry.getKey());
Map<String, Object> email = new HashMap<String, Object>();
StringBuilder to = new StringBuilder();
boolean first = true;
for (User user : entry.getValue()) {
if (!first) {
to.append(';');
}
String emailAddress = userInfo.getEmailForEntity(user);
to.append(emailAddress);
first = false;
}
email.put("To", to.toString());
if (header.getFrom() != null && header.getFrom().trim().length() > 0) {
email.put("From", header.getFrom());
} else {
email.put("From", from);
}
if (header.getReplyTo() != null && header.getReplyTo().trim().length() > 0) {
email.put("Reply-To", header.getReplyTo());
} else {
email.put("Reply-To", replyTo);
}
Map<String, Object> vars = new HashMap<String, Object>();
vars.put("doc", doc);
String subject = (String) TemplateRuntime.eval(header.getSubject(), vars);
String body = (String) TemplateRuntime.eval(header.getBody(), vars);
email.put("Subject", subject);
email.put("Body", body);
WorkItemImpl workItem = new WorkItemImpl();
workItem.setParameters(email);
handler.executeWorkItem(workItem, manager);
}
}