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From "Grzegorz Kossakowski (JIRA)" <j...@apache.org>
Subject [jira] Commented: (COCOON-2108) xmodule:flow-attr Does not accept document objects
Date Fri, 10 Aug 2007 22:55:42 GMT

    [ https://issues.apache.org/jira/browse/COCOON-2108?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12519156
] 

Grzegorz Kossakowski commented on COCOON-2108:
----------------------------------------------

After taking quick look at[1] we can see following statement:

     The intepretation of XPath over DOM/JDOM structures is implemented in accordance with
the XPath specification.

Since XPath defines text() function it should work perfectly. I think this direction is surely
worth trying.

Thanks Hugh for your great research!

[1] http://commons.apache.org/jxpath/users-guide.html#DOM_JDOM_Document_Access

> xmodule:flow-attr Does not accept document objects
> --------------------------------------------------
>
>                 Key: COCOON-2108
>                 URL: https://issues.apache.org/jira/browse/COCOON-2108
>             Project: Cocoon
>          Issue Type: Bug
>          Components: * Cocoon Core
>    Affects Versions: 2.1.11-dev (Current SVN)
>            Reporter: Hugh Sparks
>            Priority: Minor
>         Attachments: xmodulePuzzle.txt
>
>
> Sending document objects from flowscript back to the pipeline using
> xmodule:flow-attr produces unexpected results. Also, the examples from
> the documentation do not work as described:
>     http://cocoon.apache.org/2.1/861.daisy.html
> The most common error reported is:
>     'The object type: class java.lang.String could not be serialized to XML"
> This issue was discussed recently on the cocoon-users mailing list.
> The thread was introduced by Kazo Csaba with the subject "Sending DOM from flowscript
to pipeline."
>  (July 17, 2007)
> He has attempted to trace this behavior in the source code and believes that a
> possibly-inappropriate conversion to string occurs in some cases.
> Jason Johnston suggested moving the issue to JIRA.
> I've created a demonstration of this apparent bug and some related problems
> in this very brief example:
>     http://www.csparks.com/xmodulePuzzle.txt
> I hope someone can fix or explain the correct usage of xmodule:flow-attr.
> Thanks to all,
> -Hugh Sparks, hugh@csparks.com

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