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https://issues.apache.org/jira/browse/CAMEL-4603?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Hadrian Zbarcea resolved CAMEL-4603.
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Resolution: Fixed
Fix Version/s: 2.10.0
> Messages after a split() should not keep attachments
> ----------------------------------------------------
>
> Key: CAMEL-4603
> URL: https://issues.apache.org/jira/browse/CAMEL-4603
> Project: Camel
> Issue Type: Improvement
> Components: camel-core
> Affects Versions: 2.8.2
> Reporter: Hadrian Zbarcea
> Assignee: Hadrian Zbarcea
> Fix For: 2.9.1, 2.10.0
>
>
> Camel does not implement an Expression that returns the attachments on a
> Messages. There is the @Attachments annotation that uses the
> ExpressionBuilder.attachmentsExpression, but that returns the whole map, not
> just the values(). Since Map.Entry<K, V> is generic you cannot use an
> implicit TypeConverter to V.
> In my sandbox I implemented an attachments() expression to use with the
> splitter, returning a Collection you can iterate through. The splitter
> replaces the body of the original message with the items in the Collection,
> leaving the attachments in place.
> I propose dropping the attachments in the split messages. It's kinda awkward
> imho to split a message into smaller messages but still keep the attachments.
> I can hardly imagine a scenario where the attachments are needed and I think
> it's more of an edge case. It would be good, I think to add a builder method
> that returns the values() on the attachments Map, not the entries. The key
> may be lost, but depending on the attachment, the Content-Type (for mail
> attachments for instance) may have a copy of the key.
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