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From "Jim Prantzalos (Created) (JIRA)" <j...@apache.org>
Subject [jira] [Created] (CONFIGURATION-481) Variable interpolation across files broken in 1.7 & 1.8
Date Sun, 26 Feb 2012 20:28:49 GMT
Variable interpolation across files broken in 1.7 & 1.8
-------------------------------------------------------

                 Key: CONFIGURATION-481
                 URL: https://issues.apache.org/jira/browse/CONFIGURATION-481
             Project: Commons Configuration
          Issue Type: Bug
          Components: Interpolation
    Affects Versions: 1.8, 1.7
         Environment: Any OS, but have verified with Windows 7 and AIX 6.1, running Java 1.6.0.
            Reporter: Jim Prantzalos


With Commons Configuration 1.6, I was able to declare a variable in a properties file, and
then reference it in a XML file using the ${myvar} syntax.

For example:
 
global.properties
-----
myvar=abc
 
test.xml
-----
<products>
  <product name="abc">
    <desc>${myvar}-product</desc>
  </product>
</products>
 
config.xml
-----
<properties fileName="global.properties"/>
<xml fileName="test.xml" config-name="test">
  <expressionEngine config-class="org.apache.commons.configuration.tree.xpath.XPathExpressionEngine"/>
</xml>

When I try to retrieve the value, like so:
 
combinedConfig.getConfiguration("test").configurationAt("products/product[@name='abc']", true).getString("desc")
 
I get "${myvar}-product" instead of "abc-product".

This was working in Commons Configuration 1.6, but seems to be broken in 1.7 and 1.8.

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