// @Override
protected void setContent(Object payload, Message msg, String contentType, MuleMessage message)
throws Exception {
if (message.getAttachmentNames().size() > 0) {
// The content type must be multipart/mixed
MimeMultipart multipart = new MimeMultipart("mixed");
multipart.addBodyPart(getPayloadBodyPart(message.getPayload(), contentType));
for (Iterator it = message.getAttachmentNames().iterator(); it.hasNext(); ) {
String name = (String) it.next();
BodyPart part = getBodyPartForAttachment(message.getAttachment(name), name);
// Check message props for extra headers
addBodyPartHeaders(part, name, message);
multipart.addBodyPart(part);
}
// the payload must be set to the constructed MimeMultipart message
payload = multipart;
// the ContentType of the message to be sent, must be the multipart
contentType = multipart.getContentType();
// content type
}
// now the message will contain the multipart payload, and the multipart
// contentType
super.setContent(payload, msg, contentType, message);
}
