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https://issues.apache.org/jira/browse/FELIX-1725?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12773197#action_12773197
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Stefan Seifert commented on FELIX-1725:
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unfortunately i dont't think so. the classes AnnotationAdd and
AnnotationBinaryOperator does not seem to have knwoledge implemented how to
_evaluate_ the left and right expression to a combined value. both "toString"
and "getParameterValue" methods output the left and right part concatenated
with a " + " (as string) in between - which is not what is expected.
after doing some research in the qdox codebase i found a class
"EvaluatingVisitor" that is exactly what we needed. i integrated in into the
scr plugin and it seems to work very well - it should evaluate all annotation
epressions that can occur, not only the add operation.
it solved a problem with fields declaring integer constants i found recently
but did not file a bug yet, too.
new patch attached: 091103_annotationadd_FELIX-1725.patch
> SCR Annotations - Support "Add" Operator in annotation values
> -------------------------------------------------------------
>
> Key: FELIX-1725
> URL: https://issues.apache.org/jira/browse/FELIX-1725
> Project: Felix
> Issue Type: Bug
> Components: Maven SCR Plugin
> Affects Versions: maven-scr-plugin-1.4.0
> Reporter: Stefan Seifert
> Assignee: Carsten Ziegeler
> Fix For: maven-scr-plugin-1.4.1
>
> Attachments: 091009_annotationadd_FELIX-1725.patch,
> 091103_annotationadd_FELIX-1725.patch
>
>
> in scr plugin 1.4.0 it is not possible to use a annotation expression like
> this:
> contentType = "application/json;charset=" + CharEncoding.UTF_8
> the attached patch solves this problem by supporting the qdox "AnnotationAdd"
> class.
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