Hi Thomas,
Am 30.08.2017 um 10:56 schrieb Thomas Mortagne:
> Here is what I currently do:
>
> PropertiesBuilderParameters parameters = new
> Parameters().properties();
> if (file.exists()) {
> new Parameters().properties().setFile(file);
> }
>
> FileBasedConfigurationBuilder<PropertiesConfiguration> builder =
> new
> FileBasedConfigurationBuilder<PropertiesConfiguration>(PropertiesConfiguration.class)
> .configure(parameters);
> PropertiesConfiguration properties = builder.getConfiguration();
>
> properties.setProperty("property", "value");
>
> builder.getFileHandler().save(file);
>
> but I find it more complex than it should.
one option would be to create the PropertiesConfiguration directly,
populate it, and then save it using a FileHandler. This would roughly
look something like the following:
PropertiesConfiguration config = new PropertiesConfiguration();
config.addProperty(...);
FileHandler handler = new FileHandler(config);
File out = new File("union.properties");
handler.save(out);
More information can be found in the user's guide in the section about
file-based configurations [1].
HTH
Oliver
[1]
http://commons.apache.org/proper/commons-configuration/userguide/howto_filebased.html#File_Operations_on_Configurations
>
> IMO the file handler should not care if the file exist or not by
> default (empty PropertiesConfiguration as in 1.x if it does not exist)
> and only fail if asked to in the parameters of the builder. At the
> very least it should be possible to have some way to tell the builder
> to not care about not existing file.
>
> On Wed, Aug 30, 2017 at 10:37 AM, Thomas Mortagne
> <[email protected]> wrote:
>> Hi,
>>
>> I trying to move from Commons Configuration 1.x to 2.1.1 and I cannot
>> figure out how to do something that used to be obvious: creating a
>> properties file that does not yet exist on the file system.
>>
>> In 1.x all I had to do is create a PropertiesConfiguration with a
>> File, set a few properties and then save.
>>
>> In 2.1.1 I cannot find how to configure the build for it to accept a
>> path to a file that does not exist, I always end up with:
>>
>> org.apache.commons.configuration2.ex.ConfigurationException: Could not
>> locate:
>> org.apache.commons.configuration2.io.FileLocator@28d79cba[fileName=store.properties,basePath=/media/data/projets/xwiki/src/git/xwiki-commons/xwiki-commons-core/xwiki-commons-job/target/test/jobs/status,sourceURL=,encoding=ISO-8859-1,fileSystem=<null>,locationStrategy=<null>]
>> at
>> org.apache.commons.configuration2.io.FileLocatorUtils.locateOrThrow(FileLocatorUtils.java:346)
>> at
>> org.apache.commons.configuration2.io.FileHandler.load(FileHandler.java:972)
>> at
>> org.apache.commons.configuration2.io.FileHandler.load(FileHandler.java:702)
>>
>> and from what I see in FileHandler sources it not really configurable.
>>
>> So did I missed something or am I really supposed to create an empty
>> file before using the builder ?
>>
>> Thanks,
>> --
>> Thomas
>
>
>
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