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https://issues.apache.org/jira/browse/ARIES-1601?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15457977#comment-15457977
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Luca Burgazzoli edited comment on ARIES-1601 at 9/2/16 11:18 AM:
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Fine with me.
The only issue I see it is that processString may ends up on an infinite loop
if there is a cycling resolution between properties, like :
{code:java}
map = new HashMap<>();
map.put("key1", "val1");
map.put("key2", "${key3}");
map.put("key3", "${key2}");
processString("${key1} ${key3}");
{code}
was (Author: lb):
Fine with me
> 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
> Assignee: Guillaume Nodet
> Fix For: blueprint-core-1.6.3
>
>
> 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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