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From "David Jencks (JIRA)" <>
Subject [jira] Commented: (GERONIMO-2735) Add property substitution capability in the config.xml and plan files
Date Sun, 04 Mar 2007 04:35:50 GMT


David Jencks commented on GERONIMO-2735:

I worked on trunk (2.0) and reworked the patch substantially.  There's now a small example
in the geronimo-jetty6-jee5 config.xml.
rev 514355.


- jexl expressions in ${} such as ${httpPort + portOffset}
- expressions are only evaluated when gbeanData overrides are being applied, not on set.
- default properties file is var/config/
- refactored most of the LocalAttributeManager related classes to use generics.

If no one objects or has a better idea in a few days I'll make more extensive use of this
feature in our config.xmls.

I don't think it's practical to try to get this into the 1.2 branch.

> Add property substitution capability in the config.xml and plan files
> ---------------------------------------------------------------------
>                 Key: GERONIMO-2735
>                 URL:
>             Project: Geronimo
>          Issue Type: New Feature
>      Security Level: public(Regular issues) 
>    Affects Versions: 1.1.1, 1.1.x, 2.0-M1
>         Environment: All
>            Reporter: Ted Kirby
>         Assigned To: David Jencks
>            Priority: Minor
>         Attachments: JIRA2735.1.1.1.patch, JIRA2735.2.0.patch
> Allow property substitution as it works in maven, Spring, and JBoss.
> Allow a type file.  In that file, allow something like this:
> tomcat.port=9090
> tomcat.listen.ip=
> In the config.xml, then allow the following:
> ...
> <module name="...">
>     <gbean name="TomcatConnector">
>         <attribute name="port">${tomcat.port}</attribute>
>         <attribute name="host">${tomcat.listen.ip}</attribute>
>    </gbean>
> </module>
> The server reads the property file on boot (if one exists).  When the config.xml is processed,
it substitutes the declared property.
> Properties might also come from a GBean.

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