----- Original Message -----
From: "Andreas Göggerle" <[EMAIL PROTECTED]>
To: "'James Developers List'" <[EMAIL PROTECTED]>
Cc: <[EMAIL PROTECTED]>
Sent: Thursday, October 30, 2003 3:30 PM
Subject: RE: [PATCH] RemoteDelivery multiple delay times
> But i still have one (minor?) problem with my Mailet to be RFC conform:
> JavaMail 1.3.1 doesn't support the MIME-Type "message/delivery-status" and
I
> don't have the time to look at the JavaBeans Activation Framework for
> writing an own DataContentHandler for this MIME-Type. At the monent I send
> the delivery-report as MIME-Type "text/plain". If someone is willing to do
> the DataContentHandler or if you want to accept it even if it's not 100%
RFC
> conform I can contribute the current Mailet.
>
> Andreas
Servus Andreas,
you dont need to write your own DataHandler, just use what allready exists.
You could use the default Handler of the message/rfc822-messages and extend
the MimeMessage class.
For example your mailcap-file (take a look at mail.jar/META-INF/mailcap)
would then look something like this:
"...
message/rfc822;; x-java-content-handler=com.sun.mail.handlers.message_rfc822
message/delivery-status;;
x-java-content-handler=com.sun.mail.handlers.message_rfc822"
and your own MimeMessage class maybe like this:
"...
public class DSNMessage extends MimeMessage {
private String type = "";
public DSNMessage() {
super(Session.getDefaultInstance(System.getProperties(), null));
}
public void setContent(Object o, String type) throws MessagingException {
this.type = type;
super.content = (byte[])o;
}
public void writeContentTo(OutputStream outs)
throws java.io.IOException, MessagingException {
outs.write(super.content);
outs.flush();
}
public void writeTo(OutputStream outs, String as[])
throws IOException, MessagingException
{
outs.write(super.content);
outs.flush();
}
}".
If you want to test it, here is a suggestion:
"...
private void test() {
try {
MimeMultipart mp = new MimeMultipart();
MimeBodyPart body1 = new MimeBodyPart();
body1.setContent("Plain TEXT","text/plain");
mp.addBodyPart(body1);
Session session = Session.getDefaultInstance(System.getProperties());
MimeBodyPart body2 = new MimeBodyPart();
Message m = new DSNMessage();
m.setContent(new
String("DSN-MESSAGE").getBytes(),"message/delivery-status");
body2.setContent(m,"message/delivery-status");
mp.addBodyPart(body2);
// Andreas if you want to support type text/rfc822-headers you would
definetly repeat the steps above
MimeBodyPart body3 = new MimeBodyPart();
body3.setContent("RFC822-HEADER","text/rfc822-headers");
mp.addBodyPart(body3);
Message msg = new MimeMessage(session);
ContentType cType = new ContentType();
cType.setPrimaryType("multipart");
cType.setSubType("report");
cType.setParameter("report-type", "delivery-status");
String contentType = cType.toString();
msg.setContent(mp,contentType);
msg.saveChanges();
msg.writeTo(System.out);
}
"
Hope this helps.
M
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