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Date: Wed, 24 Jun 2009 13:41:07 -0700 (PDT)
From: "Emmanuel Bourg (JIRA)" <jira@apache.org>
To: issues@commons.apache.org
Subject: [jira] Commented: (CONFIGURATION-353) Allow Commons Configuration
 to set system properties
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    [ https://issues.apache.org/jira/browse/CONFIGURATION-353?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12723726#action_12723726 ] 

Emmanuel Bourg commented on CONFIGURATION-353:
----------------------------------------------

That change is weird. Why does it work only with PropertiesConfiguration? I would have preferred adding a single method taking any configuration, and let the DefaultConfigurationBuilder deal with the source configuration. That looks cleaner to me. Initializing the system properties would look like this:

SystemConfiguration.setSystemProperties(new PropertiesConfiguration("system.properties"));

Alternatively, this could have been solved without modifying SystemConfiguration by using a simple copy:

ConfigurationUtils.copy(new PropertiesConfiguration("system.properties"), new SystemConfiguration());


> Allow Commons Configuration to set system properties
> ----------------------------------------------------
>
>                 Key: CONFIGURATION-353
>                 URL: https://issues.apache.org/jira/browse/CONFIGURATION-353
>             Project: Commons Configuration
>          Issue Type: New Feature
>    Affects Versions: 1.6
>         Environment: All
>            Reporter: Ralph Goers
>             Fix For: 1.6
>
>
> SystemConfiguration allows the system properties to be accessed as a configuration and used in a combined configuration. However, no mechanism is available to set system properties from an external file. Such a facility would alleviate having to place a bunch of -D options on the command line.

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