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From "Jukka Zitting (JIRA)" <j...@apache.org>
Subject [jira] Updated: (JCR-1084) Maintan a stable ordering of properties in xml export
Date Fri, 02 Nov 2007 08:59:50 GMT

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

Jukka Zitting updated JCR-1084:
-------------------------------

          Component/s: xml
                       jackrabbit-core
    Affects Version/s:     (was: 1.4)
        Fix Version/s: 1.4
             Assignee: Jukka Zitting

Good idea! I'll use a SortedMap for the properties instead of a List of names to avoid the
extra getProperty() calls.

> 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
>          Components: jackrabbit-core, xml
>            Reporter: fabrizio giustina
>            Assignee: Jukka Zitting
>            Priority: Minor
>             Fix For: 1.4
>
>         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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