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From "Carsten Ziegeler (JIRA)" <j...@apache.org>
Subject [jira] Commented: (FELIX-1993) Enhance configuration printer support
Date Wed, 27 Jan 2010 14:58:34 GMT

    [ https://issues.apache.org/jira/browse/FELIX-1993?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12805525#action_12805525
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Carsten Ziegeler commented on FELIX-1993:
-----------------------------------------

I've added another optional interface BinaryConfigurationProvider in revision: 903666.
This is a POC for 3. - a configuration printer can now implement this interface and add a
set of files to the downloadable zip. This interface is currently only used in the zip mode
- however it would be possible to use it in html mode as well - like showing an image in the
console etc.

> Enhance configuration printer support
> -------------------------------------
>
>                 Key: FELIX-1993
>                 URL: https://issues.apache.org/jira/browse/FELIX-1993
>             Project: Felix
>          Issue Type: Improvement
>          Components: Web Console
>    Affects Versions: webconsole-2.0.4
>            Reporter: Carsten Ziegeler
>            Assignee: Carsten Ziegeler
>             Fix For: webconsole-3.0.0
>
>         Attachments: configprinter.patch
>
>
> Currently I see three possible enhancements for the configuration printer:
> 1. Allow configuration printers without requiring the web console api - we already have
this for plugin that can be plain servlets. It would be nice if we could do the same for configuration
printers as well.
> The problem here is which interface to use. The servlet interface could be used but at
the same time, this interface requires request and response objects while the configuration
printer should only write stuff - nothing else.
> The title could just be a registration property.
> 2. Distinguish between configuration printers which display content in the web console,
printers which just add stuff to the zip/download, and printers doing both. Current a configuration
printer is always displayed in the web console and always included in the zip/download. There
are use cases (like a printer for log files where the consoel shows only the recent log file
and the zip contains all rotated files) for having printers for just the download and I guess
having printers for just the console could make sense as well.
> An alternative would be to pass a mode into the configuration printer like MODE_DISPLAY
and MODE_DOWNLOAD.
> 3. I'm not sure about this one but it came to my mind while thinking about 2. 
> What about allowing a configuration printer to add a file to the download zip instead
of just providing text? For example the printer could just add all log files instead of reading
them and making a long text. For example if you have a log file with log rotation and there
are already 15 log files. It would make sense to have all 15 files as separate files in the
zip together with usefull names. But usually only one conifguration printer would do this.
> We could imagine other stuff like adding graphics to the download etc. - but maybe we
should think about this if we really need it :)

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