Oliver Heger created CONFIGURATION-505:
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Summary: Remove support for attribute splitting in XMLConfiguration
Key: CONFIGURATION-505
URL: https://issues.apache.org/jira/browse/CONFIGURATION-505
Project: Commons Configuration
Issue Type: Improvement
Affects Versions: 1.9
Reporter: Oliver Heger
Currently {{XMLConfiguration}} allows setting multiple values for an attribute
node. (This is possible through the {{Configuration}} interface, but of course
not supported by XML.) When saving the configuration it tries to encode the
list as a comma-separated string. On reloading, such strings are split again.
The implementation of this feature is pretty complex because points like
escaping delimiter characters have to be taken into account. I doubt that it
works in a reliable way in all possible constellations. OTOH, I don't think
that this functionality provides much value to users.
This ticket is about removing this feature. It will still be possible to add
and query multiple values of an attribute as long as the configuration is in
memory. When saving, attribute values are checked. If there are multiple
values, an exception is thrown.
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