@Override
protected void sendInternal(
Map.Entry<String, String> from,
Map.Entry<String, String> replyTo,
Map<String, String> to,
Map<String, String> cc,
Map<String, String> bcc,
String subject,
Object body,
List<Attachment> attachments) {
try {
Session emailSession = getSession();
Message message = new MimeMessage(emailSession);
message.setFrom(emailAddress(from));
if (replyTo != null) {
message.setReplyTo(new Address[] {emailAddress(replyTo)});
}
message.setSubject(subject);
BasicViewRenderer viewRenderer = render(body);
String content = viewRenderer.getOutputAsString();
String contentType = ContentType.cleanContentType(viewRenderer.getContentType());
contentType = StringUtils.isBlank(contentType) ? ContentType.TextHtml.value() : contentType;
if (Expressive.isEmpty(attachments)) {
message.setContent(content, contentType);
} else {
Multipart multipart =
new MimeMultipart(
"mixed"); // subtype must be "mixed" or inline & regular attachments won't play well
// together
addBody(multipart, content, contentType);
addAttachments(multipart, attachments);
message.setContent(multipart);
}
addRecipients(to, message, RecipientType.TO);
addRecipients(cc, message, RecipientType.CC);
addRecipients(bcc, message, RecipientType.BCC);
sendMessage(message);
} catch (MessagingException e) {
throw new MailException(e, "Failed to send an email: %s", e.getMessage());
}
}
private void addAttachments(Multipart multipart, List<Attachment> attachments)
throws MessagingException {
for (Attachment attachment : attachments) {
BasicViewRenderer response = render(attachment.view());
byte[] base64Encoded = Base64.encodeToByte(response.getOutputAsBytes());
InternetHeaders headers = new InternetHeaders();
headers.addHeader(Header.ContentType, response.getContentType());
headers.addHeader(Header.ContentTransferEncoding, "base64");
MimeBodyPart part = new MimeBodyPart(headers, base64Encoded);
part.setFileName(attachment.name());
part.setDisposition(attachment.disposition().value());
if (attachment.isInline()) {
part.setContentID(attachment.contentId());
}
multipart.addBodyPart(part);
}
}