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Date: Thu, 21 Apr 2011 19:49:05 +0000 (UTC)
From: "Oliver Heger (JIRA)" <jira@apache.org>
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Subject: [jira] [Resolved] (CONFIGURATION-447) DefaultConfigurationBuilder
 should provide default provider for environment variables
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     [ https://issues.apache.org/jira/browse/CONFIGURATION-447?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Oliver Heger resolved CONFIGURATION-447.
----------------------------------------

       Resolution: Fixed
    Fix Version/s: 1.7

The feature was added in subversion in revision 1095800. Many thanks for the proposal!

> DefaultConfigurationBuilder should provide default provider for environment variables
> -------------------------------------------------------------------------------------
>
>                 Key: CONFIGURATION-447
>                 URL: https://issues.apache.org/jira/browse/CONFIGURATION-447
>             Project: Commons Configuration
>          Issue Type: Improvement
>    Affects Versions: 1.6
>            Reporter: Fabien Nisol
>            Priority: Trivial
>             Fix For: 1.7
>
>
> DefaultConfigurationBuilder does not provide a way to merge environment variable into the configuration
> eg:
> {code}
> <configuration>
>   <env/>
>   ...
> </configuration>
> {code}
> I think this could be implemented by adding the following code into the DefaultConfigurationBuilder class
> {code:title=DefaultConfigurationBuilder.java}
> //Constant for the provider for environment variables.
> private static final ConfigurationProvider ENV_PROVIDER = new ConfigurationProvider(
>             EnvironmentConfiguration.class);
> //An array with the names of the default tags.
>  private static final String[] DEFAULT_TAGS =
>      {"properties", "xml", "hierarchicalXml", "jndi", "system", "plist", "configuration","env"};
>     
> //An array with the providers for the default tags.
>  
>      private static final ConfigurationProvider[] DEFAULT_PROVIDERS =
>      {PROPERTIES_PROVIDER, XML_PROVIDER, XML_PROVIDER, JNDI_PROVIDER,
>              SYSTEM_PROVIDER, PLIST_PROVIDER, BUILDER_PROVIDER,ENV_PROVIDER};
> {code}

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