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From Bernd Matzke <Bernd.Mat...@forcont.de>
Subject RE: $${${}}
Date Tue, 14 Jan 2003 16:27:16 GMT
hello,
maybe one of these solutions may help. use an id for the properties and
create an help-property for the filter-value:

<project name="bsp004" default="main" basedir=".">

  <property name="application.environment" value="dev"/>
  <property name="application.dev.property1" value="hello"       id="dev"/>
  <property name="application.production.property1" value="foo"
id="production"/>

  <target name="main" >
    <property name="filter" refid="${application.environment}"/>
    <echo>${filter}</echo>
  </target>

</project>


If you won't use a different id instead of the name, you can use the same
name and id for an property. but you will need a secondhelper property:

<project name="bsp005" default="main" basedir=".">

  <property name="application.environment" value="production"/>
  <property name="application.dev.property1" value="hello"
id="application.dev.property1"/>
  <property name="application.production.property1" value="foo"
id="application.production.property1"/>

  <target name="main" >
    <property name="help"
value="application.${application.environment}.property1"/>
    <property name="filter" refid="${help}"/>

    <echo>${filter}</echo>

  </target>

</project>

-----Original Message-----
From: loic.lefevre@bnpparibas.com [mailto:loic.lefevre@bnpparibas.com]
Sent: Monday, January 13, 2003 6:57 PM
To: ant-user@jakarta.apache.org
Subject: $${${}}


Hello all,
I would like to know if their is a way to do this with Ant:

build.properties file:
application.environment=dev
application.dev.property1=hello
application.production.property1=foo

build.xml file:
...
       <filter token="message" value="${application.
${application.environment}.property1}"/>
...

Thus the property would change according to the environment target.
Is it possible?

Thanks in advance,
Loïc Lefèvre




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