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Posted to dev@commons.apache.org by "Daniel Adrian (JIRA)" <ji...@apache.org> on 2007/05/23 19:22:16 UTC
[jira] Created: (CONFIGURATION-273) Saving with interpolation
Saving with interpolation
-------------------------
Key: CONFIGURATION-273
URL: https://issues.apache.org/jira/browse/CONFIGURATION-273
Project: Commons Configuration
Issue Type: New Feature
Affects Versions: 1.4
Reporter: Daniel Adrian
It will be very nice if you'll add the ability to save a configuration file with the interpolation data.
so if my config file is :
my_home=127.0.0.1
my_place=Is ${my_home}
when I save the configuration (let's say with save(true)) it will look like
my_home=127.0.0.1
my_place=Is 127.0.0.1
Thank you!
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[jira] Commented: (CONFIGURATION-273) Saving with interpolation
Posted by "Emmanuel Bourg (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/CONFIGURATION-273?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12498512 ]
Emmanuel Bourg commented on CONFIGURATION-273:
----------------------------------------------
Just curious, what is the use case for this feature ? The one I see is to save a PropertiesConfiguration as a standard Properties file to be read by another application not using Commons Configuration.
This can be achieved with ConfigurationConverter.getProperties(config), it performs the interpolation of the variables :
PropertiesConfiguration config = new PropertiesConfiguration("conf.properties");
Properties props = ConfigurationConverter.getProperties(config);
FileOutputStream out = new FileOutputStream("conf2.properties")
props.save(out, null);
out.close();
> Saving with interpolation
> -------------------------
>
> Key: CONFIGURATION-273
> URL: https://issues.apache.org/jira/browse/CONFIGURATION-273
> Project: Commons Configuration
> Issue Type: New Feature
> Affects Versions: 1.4
> Reporter: Daniel Adrian
>
> It will be very nice if you'll add the ability to save a configuration file with the interpolation data.
> so if my config file is :
> my_home=127.0.0.1
> my_place=Is ${my_home}
> when I save the configuration (let's say with save(true)) it will look like
> my_home=127.0.0.1
> my_place=Is 127.0.0.1
> Thank you!
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[jira] Commented: (CONFIGURATION-273) Saving with interpolation
Posted by "Oliver Heger (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/CONFIGURATION-273?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12498503 ]
Oliver Heger commented on CONFIGURATION-273:
--------------------------------------------
Maybe we could implement this feature in a more generic way: The copy methods in ConfigurationUtils could support an additional mode, in which interpolation is automatically performed for affected properties, so that the resulting configuration only contains properties with resolved variables.
Then you can use arbitrary destination configurations, including file-based configurations, which can be saved later.
For hierarchical configurations this task is a bit more complicated (they are not fully supported by the copy() methods of ConfigurationUtils), but it should be possible, too.
> Saving with interpolation
> -------------------------
>
> Key: CONFIGURATION-273
> URL: https://issues.apache.org/jira/browse/CONFIGURATION-273
> Project: Commons Configuration
> Issue Type: New Feature
> Affects Versions: 1.4
> Reporter: Daniel Adrian
>
> It will be very nice if you'll add the ability to save a configuration file with the interpolation data.
> so if my config file is :
> my_home=127.0.0.1
> my_place=Is ${my_home}
> when I save the configuration (let's say with save(true)) it will look like
> my_home=127.0.0.1
> my_place=Is 127.0.0.1
> Thank you!
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