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From "fabrizio giustina (JIRA)" <j...@apache.org>
Subject [jira] Updated: (JCR-1084) Maintan a stable ordering of properties in xml export
Date Fri, 02 Nov 2007 08:48:50 GMT

     [ https://issues.apache.org/jira/browse/JCR-1084?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel

fabrizio giustina updated JCR-1084:

    Attachment: JCR-1084.diff

Very simple patch against current 1.4 trunk.
This small change ensures that the order of properties is unchanged in exported xmls by ordering
them alphabetically. I've checked that this doesn't break any existing unit test.

> Maintan a stable ordering of properties in xml export
> -----------------------------------------------------
>                 Key: JCR-1084
>                 URL: https://issues.apache.org/jira/browse/JCR-1084
>             Project: Jackrabbit
>          Issue Type: Improvement
>    Affects Versions: 1.4
>            Reporter: fabrizio giustina
>            Priority: Minor
>         Attachments: JCR-1084.diff
> When exporting to xml (system view, not tested with document view) the order of properties
is not consistent.
> This is not an issue with the jcr specification, since the order of properties is undefined,
but keeping the same (whatever) order in xml export could be useful.
> At this moment if you try running a few import->export->import->export roundtrips
you will notice that the exported xml often changes. This is an example of the differences
you can see:
>   <sv:property sv:name="jcr:uuid" sv:type="String">
>     <sv:value>59357999-b4fb-45cd-8111-59277caf14b7</sv:value>
>   </sv:property>
> +  <sv:property sv:name="title" sv:type="String">
> +    <sv:value>test</sv:value>
> +  </sv:property>
>   <sv:property sv:name="visible" sv:type="String">
>     <sv:value>true</sv:value>
>   </sv:property>
> -  <sv:property sv:name="title" sv:type="String">
> -    <sv:value>test</sv:value>
> -  </sv:property>
> If you may need to diff between two exported files that could be pretty annoying, you
have no clear way to understand if something has really changed or not.
> I would propose to keep ordering consistent between export: an easy way could be sorting
properties alphabetically during export.
> This behavior has been tested on a recent jackrabbit build from trunk (1.4-SNAPSHOT)

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