[jira] Commented: (CONFIGURATION-284) ability to read OS environment variables
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https://issues.apache.org/jira/browse/CONFIGURATION-284?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12514415
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Oliver Heger commented on CONFIGURATION-284:
Vasily, many thanks for your contribution.
For the reasons outlined above I am still reluctant to add this feature to the
code base. If you don't mind I would bring this topic again to the commons
developer list and ask whether the opinion to support environment variables in
one of the core libraries has changed in the mean time.
What we could do in any case is adding your code to the WIKI in our examples
section:
http://wiki.apache.org/jakarta-commons/Configuration
ability to read OS environment variables
Key: CONFIGURATION-284
URL: https://issues.apache.org/jira/browse/CONFIGURATION-284
Project: Commons Configuration
Issue Type: New Feature
Components: Interpolation
Reporter: Aksel Schmidt
Priority: Minor
Attachments: EnvironmentConfiguration.java
suggestion:
interpolation with system environment, i.e.
${sys:user.name} reads from systemproperties (as of today)
${sysenv:TEMP} reads from OS environment
these can be parsed from a supported set of OS's - windows read from a set in
a cmd /c, unix/linux from an env etc. (just once on demand)
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[jira] Commented: (CONFIGURATION-284) ability to read OS environment variables
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https://issues.apache.org/jira/browse/CONFIGURATION-284?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12514450
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Vasily Ivanov commented on CONFIGURATION-284:
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Thanks Oliver, feel free to add that code anywhere you want.
ability to read OS environment variables
Key: CONFIGURATION-284
URL: https://issues.apache.org/jira/browse/CONFIGURATION-284
Project: Commons Configuration
Issue Type: New Feature
Components: Interpolation
Reporter: Aksel Schmidt
Priority: Minor
Attachments: EnvironmentConfiguration.java
suggestion:
interpolation with system environment, i.e.
${sys:user.name} reads from systemproperties (as of today)
${sysenv:TEMP} reads from OS environment
these can be parsed from a supported set of OS's - windows read from a set in
a cmd /c, unix/linux from an env etc. (just once on demand)
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You can reply to this email to add a comment to the issue online.
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[jira] Commented: (CONFIGURATION-284) ability to read OS environment variables
[
https://issues.apache.org/jira/browse/CONFIGURATION-284?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12510903
]
Oliver Heger commented on CONFIGURATION-284:
Joerg, I think this is a misunderstanding: This feature request is about
environment variables, while Configuration so far only supports Java's system
properties.
I had a vague memory that the topic access to environment variables was
discussed before on the commons mailing list, and found this reference:
http://thread.gmane.org/gmane.comp.jakarta.commons.devel/33239/focus=33325
Obviously this thread did not come to a final solution, AFAIK this feature was
not added to one of the commons libraries. If it was (for instance in
commons-lang), it would be really easy to incorporate it into
commons-configuration. But having to implement it ourselves, situation looks
different. The problem I see here is that it will really be difficult to
implement a robust and portable solution, and besides this feature is probably
out of scope for commons-configuration.
From Java 1.5 on, access to environment properties will be possible using
methods of the System class. So when we switch to this version (no idea when
this will happen though) it will be no problem to satisfy this request. But
for the moment I am reluctant.
ability to read OS environment variables
Key: CONFIGURATION-284
URL: https://issues.apache.org/jira/browse/CONFIGURATION-284
Project: Commons Configuration
Issue Type: New Feature
Components: Interpolation
Reporter: Aksel Schmidt
Priority: Minor
suggestion:
interpolation with system environment, i.e.
${sys:user.name} reads from systemproperties (as of today)
${sysenv:TEMP} reads from OS environment
these can be parsed from a supported set of OS's - windows read from a set in
a cmd /c, unix/linux from an env etc. (just once on demand)
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[jira] Commented: (CONFIGURATION-284) ability to read OS environment variables
[
https://issues.apache.org/jira/browse/CONFIGURATION-284?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12510608
]
Joerg Schaible commented on CONFIGURATION-284:
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Interpolation for system properties is already available, simply set up your
configuration properly:
{code:java}
final CompositeConfiguration configuration = new
CompositeConfiguration();
// system properties override every setting
configuration.addConfiguration(ConfigurationConverter.getConfiguration(System.getProperties()));
// add other configuration instances here
{code}
ability to read OS environment variables
Key: CONFIGURATION-284
URL: https://issues.apache.org/jira/browse/CONFIGURATION-284
Project: Commons Configuration
Issue Type: New Feature
Components: Interpolation
Reporter: Aksel Schmidt
Priority: Minor
suggestion:
interpolation with system environment, i.e.
${sys:user.name} reads from systemproperties (as of today)
${sysenv:TEMP} reads from OS environment
these can be parsed from a supported set of OS's - windows read from a set in
a cmd /c, unix/linux from an env etc. (just once on demand)
--
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