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https://issues.apache.org/jira/browse/SCXML-88?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12646579#action_12646579
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Rahul Akolkar commented on SCXML-88:
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Could be quite significant actually. Maps have high overhead, especially when
they are close to empty which these guys are (a map would perhaps be a logical
choice, and thats what the digester gives us so its also least effort). I'm
leaning towards making some recommendations if folks want to use the
serializer. I won't be able to look at this immediately, but if you (or anyone
else) is able to whip up a patch, it can always be sooner. Thanks,
> SCXMLSerializer does not serialize custom namespace declarations
> ----------------------------------------------------------------
>
> Key: SCXML-88
> URL: https://issues.apache.org/jira/browse/SCXML-88
> Project: Commons SCXML
> Issue Type: Bug
> Affects Versions: 0.8
> Reporter: Ingmar Kliche
> Fix For: 0.9
>
> Attachments: NamespacesInTransition_testcase.patch
>
>
> The SCXMLSerializer writes the scxml namespace as the default namespace to
> the <scxml> root tag and adds a "cs" ("commons-scxml") namespace by default.
> But it does not take into account that the original scxml document might
> contain other namespace declarations, e.g. on child tags:
> <?xml version="1.0" encoding="UTF-8"?>
> <scxml xmlns="http://www.w3.org/2005/07/scxml";
> xmlns:cs="http://commons.apache.org/scxml"; version="1.0" initial="S1">
> <state id="S1">
> <!-- some E4X like condition using XML namespaces -->
> <!-- redefine default namespace to "foo" and use explicit namespace prefix
> for scxml:transition tag -->
> <scxml:transition event="foo" cond="a.b.bar::c.* == 3" target="S2"
> xmlns="foo" xmlns:scxml="http://www.w3.org/2005/07/scxml"; xmlns:bar="bar">
> </transition>
> </state>
> <state id="S2" final="true">
> </state>
> </scxml>
> The above SCXML document is parsed properly and namespaces are forwarded to
> the executor (i.e. it works correct). But if it comes to serialization the
> namespaces are not serialized properly.
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