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https://issues.apache.org/jira/browse/CONFIGURATION-395?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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ron updated CONFIGURATION-395:
------------------------------
Attachment: GInterpolator.java
ConfigurationBinding.java
AbstractConfiguration.patch
> groovy for interpolation and expression engine
> ----------------------------------------------
>
> Key: CONFIGURATION-395
> URL: https://issues.apache.org/jira/browse/CONFIGURATION-395
> Project: Commons Configuration
> Issue Type: Improvement
> Components: Expression engine, Interpolation
> Reporter: ron
> Priority: Minor
> Attachments: AbstractConfiguration.patch, ConfigurationBinding.java,
> GInterpolator.java
>
>
> Currently the expression engine can be set but not the interpolation.
> This patch proposes the ability to set a user specified interpolation engine.
> It includes a groovy interpolation engine. Groovy comes naturally as an
> expressions and interpolation language in the java environment
> API usage:
> AbstractConfiguration c = new
> PropertiesConfiguration("conf/test.conf");
> c.setInterpolator(new GInterpolator(c));
> System.out.println(c.getString("test"));
> Configuration examples:
> library.path.1=${ if
> ("${System.getProperty{('os.name')}".toLowerCase().startsWith("windows"))
> "libw.dll"; else "libl" }
> password=${println 'enter password'; readln}
> I think that this is more feature rich than JEXL and is easier to use for
> java programmers.
> - Ron
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