I'd like to add a feature to the digester, allowing property replacement, similar to Ant. Basically, ${...} in an attribute value would get replaced by a property value.
The following elements would be added:
* PropertySource interface, containing a String getProperty(String key) method
* Digester.setPropertySources(PropertySource[] sources), which would:
- enable property replacement (this would be disable otherwise, for 100% compatibility)
- use the sources in the given order until one returns a non null value; if all return null, no replacement occurs
The implementation is very simple, and the code is present in the Tomcat sources.
This would allow nice dynamic integration capabilities for files a container which XML files are parsed by the digester, and (more generally) will allow cool Ant-like properties management.
I can commit a patch if the feature is considered useful (the Tomcat community certainly did like it).
Comments ?
Remy
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