I have a requirement to send files as email attachments.
a simple route for this would be
from("file:///path/to/file.xyz")
to("smtp://mail-details...")
The behaviour for this is to use the message body (i.e. the file) as the
email contents, so that's not quite right. I want the file to be an email
attachment and the email contents to be generated using a velocity template.
I've written a bean handler to do this (it's quite simple) so that I can do
the following
from("file:///path/to/file.xyz")
// copy the body to be a mime/encoded attachment on the message
.bean(new AttachmentAttacher("text/csv"))
// overwrite the message body with the desired email content
.to("velocity:///path/to/email-contents.vm")
to("smtp://mail-details...")
See below for AttachmentAttacher code.
Would it be useful is AttachmentAttacher could be part of the camel-mail
component?
I can find some time next week to create a PR with unit test etc.
Is there a better way to make this part of the camel-mail component, so that
routes could be written
from("file:///path/to/file.xyz")
.bodyToAttachment("text/csv")
.to("velocity:///path/to/email-contents.vm")
to("smtp://mail-details...")
or is that a stupid idea / not possible to add to the route grammar
public class AttachmentAttacher implements Processor {
private final String mimetype;
public AttachmentAttacher(String mimetype) {
this.mimetype = mimetype;
}
@Override
public void process(Exchange exchange){
Message in = exchange.getIn();
byte[] file = in.getBody(byte[].class);
String fileId = in.getHeader("CamelFileName",String.class);
in.addAttachment(fileId, new DataHandler(new ByteArrayDataSource(file,
mimetype)));
}
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