Hello,
I am trying to load multiple sources into a CombinedConfiguration
object. However, I need to access each property using a prefix.
For example, a property that resides in "global.xml" needs to be
accessed with a unique prefix:
glob:this.is.a.global.property.
And a property that is loaded from "case.properties", needs to be
accessed with the prefix:
case:another.case.specific.property
I can extend CombinedConfiguration and override the getters, or create
a map. But if it's possible out of the box, it will save me sometime.
So here's my sample code:
Parameters params = new Parameters();
URL url =
ConfigurationManager.class.getClassLoader().getResource("META-INF/global.xml");
URL url2 =
ConfigurationManager.class.getClassLoader().getResource("META-INF/case.properties");
FileBasedConfigurationBuilder<XMLConfiguration> globBuilder =
new FileBasedConfigurationBuilder<XMLConfiguration>(XMLConfiguration.class);
globBuilder = globBuilder.configure(params.xml().setURL(url));
FileBasedConfigurationBuilder<PropertiesConfiguration>
testBuilder = new
FileBasedConfigurationBuilder<PropertiesConfiguration>(PropertiesConfiguration.class);
testBuilder.configure(params.properties().setURL(url2));
CombinedConfiguration cc = new CombinedConfiguration();
// cc.setExpressionEngine(new XPathExpressionEngine());
cc.addConfiguration(globBuilder.getConfiguration(), null, "global:");
cc.addConfiguration(testBuilder.getConfiguration(), null, "case:");
config = ConfigurationUtils.unmodifiableConfiguration(cc);
This is working great so far, as I can do:
global:.this.is.a.global
Please note the dot in the dotted notation, between the prefix and the
property name. It will be nice if I there is an easy way to remove it,
so that I can do "global:this.is.a.global.property".
Any advice ?
Thank you.
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