[logback-dev] [JIRA] Issue Comment Edited: (LBCLASSIC-182) Evaluable properties

[Aleksey Didik (JIRA)]

    [ http://jira.qos.ch/browse/LBCLASSIC-182?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=11686#action_11686 ] 

Aleksey Didik edited comment on LBCLASSIC-182 at 3/26/10 9:46 AM:
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Ok, I have moved PropertyDefiner to ch.qos.logback.core.spi.
Renewed patch with classes and tests in attachement.
I have printed and signed CLA, I'll send it to you by email in scanned form in few days..


      was (Author: lookout):
    Patch with classes and tests.
  
> Evaluable properties
> --------------------
>
>                 Key: LBCLASSIC-182
>                 URL: http://jira.qos.ch/browse/LBCLASSIC-182
>             Project: logback-classic
>          Issue Type: New Feature
>          Components: Other
>    Affects Versions: 0.9.18
>            Reporter: Aleksey Didik
>            Assignee: Ceki Gulcu
>            Priority: Minor
>         Attachments: define_properties_functionality.patch
>
>
> Necessary to have properties which could be evaluated dynamically in time of configuration file read.
> Currently we have statical defined property values (by property tag or files) or we could get properties from System properties.
> In version 0.9.17 was made possibility to save formatted timestamp in property.
> May be possible to create property evaluator tag, to define some properties value dynamically?
> Something like this:
> <property name="hostName" evaluator="a.b.c.HostPropertyEvaluator">
>       <parameter name="host_type">ip</parameter>
> </property>
> Evaluator will be called on property initialization with listed parameters.

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