Support system properties in ${...} vars in XML config files
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Key: JCR-1304
URL: https://issues.apache.org/jira/browse/JCR-1304
Project: Jackrabbit
Issue Type: New Feature
Components: config, jackrabbit-jcr-commons
Affects Versions: 1.3.3, 1.4, 1.5
Reporter: Alexander Klimetschek
The variable replacement (${...}) in config files like repository.xml currently
only allows for the special variables introduced by Jackrabbit, eg. ${wsp.name}
or ${rep.home}. But it would be useful to support all java system properties
here as it is some kind of a standard in Java XML config files (see Spring for
an example).
This makes it easier to inject variables from outside the config file, eg. by
setting them on the command line or injecting them programmatically in test
cases. Typical parameters for that include database connection credentials,
which one wants to avoid to put into repository.xml files that are often
checked into SVN.
This is especially true for test cases, eg. I currently work on a persistence
manager component and I want to include the repository.xml in the source tree
(under applications/test) but without my specific credentials. These are
applied by loading a user-specific properties file through the test case before
the repository is started and the config is read.
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