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| Java msgflow: EmailOutput node to send binary attachments |
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Message
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| upsidedown |
 Posted: Wed Nov 27, 2013 2:20 am Post subject: Java msgflow: EmailOutput node to send binary attachments |
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Newbie
Joined: 27 Nov 2013
Posts: 2
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Hi everyone,
I'm using Message Broker Toolkit Version: 7.0.0, and I'm trying to send an email will a .gzip attachment.
I can attach text files fine, but I don't think I am doing the encoding right for binary files.
| Code: |
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MbElement Destination = localEnv.createElementAsLastChild(MbElement.TYPE_NAME, "Destination", null);
MbElement destinationEmail = Destination.createElementAsLastChild(MbElement.TYPE_NAME, "Email", null);
destinationEmail.createElementAsLastChild(MbElement.TYPE_NAME_VALUE, "SMTPServer", "mailhost.mfil.local:25");
//attachmentElement.createElementAsLastChild(MbElement.TYPE_NAME_VALUE, "ContentEncoding", "base64");
attachmentElement.createElementAsLastChild(MbElement.TYPE_NAME_VALUE, "ContentName", "error.gz");
attachmentElement.createElementAsLastChild(MbElement.TYPE_NAME_VALUE, "Content", compress("hello".getBytes()));
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//propagate to EmailOutput
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| Code: |
public static String compress(byte[] uncompressed) throws IOException {
ByteArrayOutputStream os = new ByteArrayOutputStream(uncompressed.length);
GZIPOutputStream gos = new GZIPOutputStream(os);
gos.write(uncompressed);
gos.close();
byte[] compressed = os.toByteArray();
String s = new String(compressed);
//return DatatypeConverter.printBase64Binary(compressed);
return s;
}
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I've tried encoding as base64, but I still couldn't get it to work.
Thanks in advance for any help. |
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| smdavies99 |
| Posted: Wed Nov 27, 2013 2:30 am Post subject: |
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Jedi Council
Joined: 10 Feb 2003
Posts: 6076
Location: Somewhere over the Rainbow this side of Never-never land.
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I've done this a long time ago. I don't have access to the code but here is how I got it sorted.
I took the sample flow and added a load of trace nodes to show things like
${LocalEnvironment}
${Root}
${Environment}
and then I used the facility in the sample to add attachments. Then run it with usertrace to find out it was constructing the message it sends to the EmailOutput Node.
Then I replicated that in my flow.
At the time, I was using the IA99 Support pack (ZIP Node) to zip up my package. That is no longer available/works on later versions but what you are doing seems right in principle.
_________________
WMQ User since 1999
MQSI/WBI/WMB/'Thingy' User since 2002
Linux user since 1995
Every time you reinvent the wheel the more square it gets (anon). If in doubt think and investigate before you ask silly questions. |
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| Esa |
| Posted: Wed Nov 27, 2013 2:53 am Post subject: Re: Java msgflow: EmailOutput node to send binary attachment |
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Grand Master
Joined: 22 May 2008
Posts: 1387
Location: Finland
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| upsidedown wrote: |
I've tried encoding as base64, but I still couldn't get it to work.
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Define work.
The message you are constructing, is it using MIME parser? |
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| upsidedown |
| Posted: Wed Nov 27, 2013 3:07 am Post subject: Re: Java msgflow: EmailOutput node to send binary attachment |
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Newbie
Joined: 27 Nov 2013
Posts: 2
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| Esa wrote: |
[
Define work.
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The file gets attached but it is not a valid file when I try opening it.
| Esa wrote: |
[
The message you are constructing, is it using MIME parser? |
I set the 'ContentEncoding', if that is what you mean. |
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| Esa |
| Posted: Wed Nov 27, 2013 4:35 am Post subject: Re: Java msgflow: EmailOutput node to send binary attachment |
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Grand Master
Joined: 22 May 2008
Posts: 1387
Location: Finland
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| upsidedown wrote: |
I set the 'ContentEncoding', if that is what you mean. |
No, it's not. Click 'MIME' in my previous post and you see what I mean.
You must buid a MIME tree and put the attachments under OutputRoot.MIME.Parts as in the MIME tree diagram. If you propagate the MIME tree to an EmailOutput -- or any other output node -- the MIME parser will serialize the tree and construct the message for you, even base64encode the attachments.
Never done it myself yet, but that's the way it's supposed to work. |
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