Allow the usage of velocity templates, which are placed/defined in the
exchanges In message header or attachment
----------------------------------------------------------------------------------------------------------------
Key: CAMEL-2023
URL: https://issues.apache.org/activemq/browse/CAMEL-2023
Project: Apache Camel
Issue Type: Improvement
Components: camel-velocity
Environment: All
Reporter: Christian Mueller
Fix For: Future
It would be nice, if the camel-velocity component also read templates from the
exchange In message header or attachment. We could define this with following
uri's (like in the camel-mina component):
{code}
velocity://header:templateHeaderName respectively
velocity:header:templateHeaderName
{code}
and
{code}
velocity://attachment:templateAttachmentName respectively
velocity:attachment:templateAttachmentName
{code}
I need this flexibility in a project, because the template, which we have to
use, must be calculated at runtime and depends on some attributes of the
message In body like:
- Which event has triggered this exchange?
- Which customer will receive this message?
- Which protocol is used (smtp, smpp, xmpp, ...)?
I add a more technical description of my requirements in form of four unit
tests (see camel-velocity-tests.patch). :-)
The second attachment (camel-velocity.patch) contains the patch, which I have
developed to fulfill my requirements. I hope with this contribution, I can make
camel a little bit better, than this great framework is already.
Regards,
Christian
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