Enhance configuration printer support
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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
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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