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From "Luca Burgazzoli (JIRA)" <j...@apache.org>
Subject [jira] [Created] (ARIES-1601) Support for nested property placeholders
Date Wed, 24 Aug 2016 13:44:20 GMT
Luca Burgazzoli created ARIES-1601:
--------------------------------------

             Summary: Support for nested property placeholders
                 Key: ARIES-1601
                 URL: https://issues.apache.org/jira/browse/ARIES-1601
             Project: Aries
          Issue Type: Improvement
          Components: Blueprint
            Reporter: Luca Burgazzoli


As today property placeholders are resolved sequentially but it would be nice to have the
possibility to resolve nested placeholders like:

{code}
${jre-${java.specification.version}}
{code}

The problem in blueprint seems to be located in [AbstractPropertyPlaceholder|https://github.com/apache/aries/blob/trunk/blueprint/blueprint-core/src/main/java/org/apache/aries/blueprint/ext/AbstractPropertyPlaceholder.java#L429-L455]

I've been using StrSubstitutor from Commons-Lang and could be ported to blueprint-ext.

See:
- https://issues.apache.org/jira/browse/LANG-482 
- https://commons.apache.org/proper/commons-lang/javadocs/api-3.4/org/apache/commons/lang3/text/StrSubstitutor.html



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