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From "MASTRELLA STEFANO" <smastre...@sogei.it>
Subject R: Variable interpolation in composite configuration
Date Fri, 01 Dec 2006 07:12:00 GMT
You're rigth, it was my fault. Because I look for key.property in the xml config file instead
of key1.property as stated in the properties config

>>-----Messaggio originale-----
>Da: Oliver Heger [mailto:oliver.heger@oliver-heger.de] 
>Inviato: giovedì 30 novembre 2006 22.02
>A: Jakarta Commons Users List
>Oggetto: Re: Variable interpolation in composite configuration
>
>Hi,
>
>interpolation should work with a CompositeConfiguration. There are some 
>unit tests that check this.
>
> From your XML configuration file:
> > ********************** config2.xml **********************
> >
> > <conf>
> >    <value name="${key1.property }"/>
> > </conf>
>
>There is an additional space before the closing curly bracket in the 
>variable. Is this a typo? This will cause the problem.
>
>Oliver
>
>MASTRELLA STEFANO wrote:
>> Hi everybody,
>> 
>> What I need to is to reference some key in a configuration file from
>> another config file.
>> As an example cosider to have this configuration file for the
>> CompositeConfiguration
>> 
>> 
>> **********************composite-config.xml**********************
>> 
>> <?xml version="1.0" encoding="ISO-8859-1" ?>
>> 
>> <configuration>
>>   <properties fileName="config1.properties"/>
>>   <xml fileName="config2.xml"/>
>> </configuration>
>> 
>> and the following configuration file specified above
>> 
>> **********************config1.properties**********************
>> key1.property=1
>> 
>> ********************** config2.xml **********************
>> 
>> <conf>
>>    <value name="${key1.property }"/>
>> </conf>
>> 
>> As the CompositeConfiguration load first the cofig1.properties when I
>> try to look for the key "value[@name]" or "value/@name" (xpath version)
>> with this snippet of code
>> 
>> 
>> ConfigurationFactory factory = new ConfigurationFactory();
>> 
>> URL configURL = new File("config-composite.xml").toURL();
>> 
>> factory.setConfigurationURL(configURL);
>> 
>> Configuration config = factory.getConfiguration();
>> 
>> String prop = config.getString("value[@name]");
>> 
>> 
>> I'd expected to see the value "1" as defined in config.properties,
>> instead of ${key1.property}.
>> 
>> Is there any mistakes in what I thought?
>> There's something more to do for variable interpolation?
>> 
>> TIA
>> 
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>
>
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