[configuration]

[Velladurai Pandian, Ashok Kumar]

I have a hierarchy of property files which are available in various folders in 
my file system. The file names are same but the folders are named based on the 
base group and specific group id and.

I have a requirement of creating group based configurations of all the 
available property files. Based on the user login I need load their respective 
group and if not available at that level it would go to the base group and get 
the key.

I am trying use the 
MultiFileConfigurationBuilder<http://commons.apache.org/proper/commons-configuration/xref/org/apache/commons/configuration2/builder/combined/MultiFileConfigurationBuilder.html>
 and trying to set the pattern to combine the configurations. To the pattern I 
would set the group id and get the configuration and merge with that of the 
base group.

But the pattern does not seem to be working. Is it possible to load and merge 
the configurations just only using the config.xml files?

Please let me know if you have a better approach.

Parameters params = new Parameters();
           MultiFileBuilderParameters multiParam = 
params.multiFile().setFilePattern("${GROUP_ID}/ 
app_settings.properties").setManagedBuilderParameters(params.fileBased().setBasePath("C:/a_container/MyApp/"));
           MultiFileConfigurationBuilder<PropertiesConfiguration> builder = new 
MultiFileConfigurationBuilder(
                     PropertiesConfiguration.class).configure(multiParam);
     Map<String, Object> params1 = new HashedMap<String, Object>();
           params1.put("GROUP_ID", "987987");
           builder.setParameters(params1);
           Configuration conf = builder.getConfiguration();
           sopAllKeys((FileBasedConfiguration) conf);

Regards,
Ashok

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